Background and Introduction: The History of the Focus RS

The Mk3 Ford Focus RS, unveiled in 2015, marked a significant step change in the direction of the Blue Oval’s flagship performance car. This third-generation model wasn't merely an incremental improvement over its predecessors - it was a quantum leap that redefined what was possible from a chassis built around a transversely mounted engine mated to an AWD drivetrain.

Before the Mk3, hot hatches with all-wheel drive were typically limited by the ubiquitous Haldex system, which primarily operates as a front-wheel drive powertrain until slip is detected, at which point up to 50% of torque can be sent to the rear axle. This configuration, while effective for stability, often leads to handling that prioritises neutrality over outright excitement. The Mk3 Focus RS with its electronically controlled, twin-clutch all-wheel drive system shattered this mould.

Excitement has always been at the core of the Focus RS. The original Mk1, introduced in 2002, was a front-wheel drive animal, boasting a 2.0-litre turbocharged engine that delivered 212 bhp through a notoriously lively Quaife differential. It was designed as a direct link between Ford's WRC efforts and the showroom, with aggressive styling and razor-sharp handling that quickly endeared it to enthusiasts.

2009 saw the launch of the Mk2 Focus RS, which turned up the heat with a 2.5-litre turbocharged five-cylinder engine, producing an unprecedented 301 horsepower. This power was still delivered through the front wheels, but with trick ‘RevoKnuckle’ suspension and massive tyres, it managed to (mostly) tame torque steer and deliver its ferocious performance to the tarmac. Both the Mk1 and Mk2 have since cemented their status as hot hatch icons.

The Mk3 trod a different path. Power output leapt to 345 bhp, matching the output of the limited-run Mk2 RS500, but the engine producing it changed. Hiding under the bonnet this time was a 2.3-litre, turbocharged four-cylinder ‘EcoBoost’ engine, shared with the Mustang but tuned specifically for the RS to deliver a more aggressive power curve. This shift resulted in some initial reliability concerns - more on that later [internal LINK] - but it also brought a significant performance boost, enabling the Mk3 to sprint from 0-60 mph in just 4.7 seconds.

But the real magic lay in its handling dynamics. What truly made the Mk3 Focus RS stand out in the hot hatch segment wasn't just its power or its performance stats - it was the way it combined cutting-edge technology with raw driving pleasure. The all-wheel-drive system employs dynamic torque vectoring to distribute power not just between the front and rear axles, but also between the left and right wheels. This gave the Focus RS its razor-sharp cornering ability and made it a joy to drive whether on a twisty B-road or race track.

For the first time on an RS, the suspension featured adjustable dampers that allowed drivers to tailor the ride for comfort or performance at the touch of a button. The braking system, developed by Brembo, provided the stopping power necessary for a car of this capability, ensuring confidence-inspiring performance in all conditions.

And then, of course, there was Drift Mode - a feature that allowed drivers to indulge in controlled oversteer at will. This blend of potency, practicality, and playfulness made the Mk3 Focus RS the new benchmark hot hatch of its time.

Yet, despite this initial acclaim, the Mk3 Focus RS somehow failed to fully capture the imagination of enthusiasts. Its star burned brightly but briefly, before sales were overshadowed by newer or more tunable rivals such as the Volkswagen Golf R and BMW M140i. The Mk3’s relatively conservative styling - particularly in darker colours where it could almost pass as a Q-car - might have played a role, as did the switch to a five-door-only body shell, which some felt lacked the focused aggression of its three-door predecessors. Mk2 owners also bemoaned the loss of the characterful inline five-cylinder engine, refusing to trade up to the new model.

Today, this means the Mk3 Ford Focus RS has become somewhat of a forgotten gem. Nonetheless, it remains a fantastic driver’s car worthy of closer examination by any enthusiast, and is very likely to become a sleeper appreciator given that Ford has since retired the RS badge, meaning the Mk3 Focus RS is the last of its kind.

We are confident this is the most comprehensive, in-depth Mk3 Focus RS buyer's guide on the internet. In total, the article runs to 7,576 words. We appreciate that you may be searching for a specific answer, or may wish to pick up where you left off.

We have therefore included some quick-links to aid navigation and save time.

1. Technical Highlights and Performance Data

2. Reliability, Common Issues, and Maintenance Costs

3. Modifications and Tuning

4. Buying; Market Analysis and Pricing Guide, Optional Extras and Special Editions

5. Exterior, Interior, and Practicality; Living with the Mk3 Ford Focus RS

6. Mk3 Focus RS - Key Rivals - then and now

7. Conclusion

   
   

In-detail - Mk3 Ford Focus RS Technical Highlights and Performance Data

Engine and Powertrain

The aforementioned 2.3-litre, four-cylinder, turbocharged ‘EcoBoost’ engine produces its 345 bhp at 6,000 rpm and backs this up with 350 lb-ft (470 Nm) of torque between 3,200 and 4,500 rpm. The Mk3 RS also has a transient overboost function that permits the car to develop a nice round 500 Nm (369 lb-ft) for a short period of time.

To produce the additional 39 bhp over the EcoBoost Mustang, Ford adopted a bigger twin-scroll turbocharger along with a larger intercooler. Engine breathing is enhanced through a less restrictive intake design, and a large-bore high-performance exhaust system with an electronically controlled valve in the tailpipe that helps optimise the balance of back pressure and soundtrack. The ECU mapping was also recalibrated to suit these changes.

To cope with the additional stress of producing its high specific output of 150 bhp/litre, the cylinder head is produced from an upgraded alloy material capable of withstanding higher temperatures, and is mounted on a more robust head gasket with improved thermal capability. The cylinder block employs stronger high-tensile cast iron liners, and the radiator in the nose of the car has also been significantly upgraded.

There are strong rumours that Cosworth had a hand in the development and manufacture of the new cylinder head and gasket, although this has never been officially confirmed by Ford. Given the history between the two brands there would be no doubt the marketing department would've capitalised on the link, if true.

Engine Specifications: Displacement: 2,261 cc (2.3 litres) Configuration: Turbocharged inline-4 (I4) 16v, DOHC (Dual Overhead Camshaft) with VVT Block Material: Aluminium alloy Cylinder Head Material: Aluminium alloy Bore x Stroke: 87.55 mm x 94.0 mm Compression Ratio: 9.37:1 Redline: 6,800 rpm

Max Power Output: 345 bhp (257 kW) at 6,000 rpm Max Torque: 346 lb-ft (470 Nm) at 2,000-4,500 rpm

Transmission

The Mk3 Focus RS comes equipped exclusively with a close ratio, six-speed manual gearbox supplied by Getrag, known for its precise shift action and robust construction. Both the gearbox and clutch were internally strengthened to cope with the additional power.The gearshift itself offers a satisfyingly mechanical feel, with a short throw, whilst the clutch is firm but not overly heavy, offering good feedback without being tiresome in daily driving. Ford clearly put significant effort into the interaction between the driver and the gearbox - indeed outstanding, uniform control weights is something the brand is renowned for.

Going manual-only was a bold choice in an era where dual clutch and ZF automatic transmissions were becoming the more popular choice by consumers, and may have been another factor that hurt sales. Auto rev-matching was another technology gaining a foothold in the market at the time, however Ford opted not to apply it to the RS. The gearbox did come with an anti-stall aid, whereby depressing the clutch again would re-start the engine should a mishap happen.

Ultimately, while the gearbox in the Mk3 Focus RS can’t match the truly outstanding unit found in the rival Honda Civic Type R, it remains a superior gearbox to the manuals offered in the Golf R or M135i/M140i. The additional interaction of three pedals should still be considered an asset, especially now the outright performance yardstick has once again been moved along by modern hot hatches.

AWD Drivetrain in Detail

At its core, the system is a front biassed all-wheel-drive setup that uses an innovative rear-drive unit (RDU) with two electronically controlled clutch packs (hence the term "Twin Clutch") on each rear axle half-shaft. The system continuously monitors a variety of parameters such as wheel speed, throttle position, steering angle, and yaw rate. When the system detects a loss of traction or increased demand for rear-wheel drive (e.g. during hard acceleration or cornering), it can transfer up to 70% of the available torque to the rear axle. 

Once torque is sent to the rear axle, the twin-clutch system on the RDU can vary the torque between the left and right rear wheels. This is the key feature of the torque vectoring system. For example, during cornering, more torque can be sent to the outer rear wheel, which has more grip, helping to "rotate" the car around the corner. This reduces understeer, increases cornering speed, and greatly enhances overall agility and driver engagement.

On top of this, the Mk3 Focus RS can ‘overspeed’ the tyres on the rear axle by up to 2%, further enhancing agility and neutralising understeer. The system was also calibrated alongside the car’s advanced Electronic Stability Control, in particular the brake-based Torque Vectoring Control system that works in parallel with the torque-vectoring.

This innovative setup allows the Focus RS to achieve a level of responsiveness that makes many Haldex equipped hot hatches seem ponderous and dull-witted. The technology earned the Mk3 the nickname “Mini Nissan GT-R”, and has since inspired or been mimicked by a whole raft of AWD high-performance hatches including the Mercedes-AMG A45 S, Mk8 Volkswagen Golf R and even the Toyota GR Yaris.

The AWD system's behaviour is highly dependent on the selected drive mode (Normal, Sport, Track, or Drift). In Drift mode, for instance, the system is calibrated to allow more rear biassed torque distribution and more slip at the rear wheels, making it easier to initiate and maintain controlled powerslides.

Normal and Sport Modes: In these modes, the system prioritises stability and traction, adjusting torque distribution to maximise grip and control.

Track Mode: Here, the system becomes more aggressive, allowing for higher rear torque bias and more dynamic handling characteristics suitable for track use and rapid direction changes.

Launch Control: The Mk3 Focus RS also features launch control, accessed via the car’s touchscreen, which automatically configures the car’s chassis and powertrain systems to deliver the fastest possible acceleration. The driver engages first gear, applies full throttle and releases the clutch as quickly as possible. The car then delivers optimum drive - distributing torque through the all-wheel-drive system, maintaining maximum torque using the turbo overboost function, managing traction control and setting the dampers.

There are however a couple of caveats to such a complicated AWD system, the first of which is weight - the Mk3 Focus RS tips the scales at a not inconsiderate 1,569 kg (although Ford claims the system itself only incurs a 20 kg penalty). The second is the parasitic losses are higher due to the need to drive the additional components, meaning the the RS won’t transfer as much of it’s flywheel bhp output to the road surface - if an identical Focus RS was equipped with Haldex AWD, it would be a fraction slower off the line, but a fraction faster once rolling. There is also a price to pay in terms of fuel consumption too, with the Mk3 Focus RS having a greater appetite for super unleaded than rivals.

Suspension and Handling

Up front, the Mk3 employs a MacPherson strut arrangement whilst the rear employs a multi-link independent setup (famously dubbed ‘Control Blade’ on the groundbreaking Mk1 Focus). The suspension is complemented by adjustable dampers, which can also be toggled between Normal, Sport and Track settings at the press of a button.

In Normal mode, the dampers provide enough compliance for everyday driving, soaking up bumps and imperfections without sacrificing the RS’s inherent agility. Switch to Sport mode, and the dampers tighten their control, reducing body roll and sharpening the car’s responses for more aggressive driving. Track mode is too extreme for many of the UK’s crumbling back roads, however the setting comes into its own on a circuit, where the front end of the car grips tenaciously. 

The adaptive nature of the suspension ensures that the Focus RS can handle both daily commutes and track days with equal aplomb, even if ultimately the car lacks the outright comfort and refinement offered by less hardcore rivals such as the Golf R, Audi R/S3, Mercedes-AMG A45 or BMW M140i. 

Steering-wise, the variable ratio rack of the Focus ST was replaced in the RS by a fixed-rate EPAS which was quick and precise with good feedback. The lock isn’t brilliant however so bear this in mind on the test drive or when assessing the car for daily use, especially if the car is fitted with the optional forged 19” alloys which save 0.95 kg of unsprung mass per corner. Grey 10-spoke, 19” alloys were standard fitment, with Michelin Pilot Super Sport (235/35 R all round) being the default factory tyre, however Cup 2s could also be specified. Like the dampers, the steering was adaptive, with sportier modes reducing the amount of assistance given. Problems with steering sensors were reported by some owners.

The later “RS Edition” cars also feature a Quaife limited slip differential on the front axle, which increases agility even further.

Braking System

The RS is equipped with 350mm ventilated front discs clamped by Brembo four-piston callipers, and 302mm solid discs at the rear. The brakes are designed to deliver powerful and consistent stopping force, with strong resistance to fade. In terms of braking feedback, Ford’s attention to detail in the car’s control weights shines again, with a pedal feel that is firm and reassuring, offering excellent modulation. 

Mk3 Ford Focus RS Performance Figures

Standing Start Acceleration Figures: 0-62 mph (0-100 km/h): 4.7 seconds 0-100 mph (0-160 km/h): 12.4 seconds 0-124 mph (0-200 km/h): 20.5 seconds (est.) Standing Quarter-Mile Time: 13.3 seconds Terminal Speed (Quarter-Mile): 103 mph Top Speed: 166 mph (266 km/h)

In-Gear Acceleration Times: 30-50 mph (4th gear): 3.5 seconds 50-70 mph (5th gear): 4.3 seconds 50-70 mph (6th gear): 5.4 seconds

Power-to-Weight Ratios: Power-to-Weight (BHP per ton): 220 BHP per ton Torque-to-Weight (lb-ft per ton): 221 lb-ft per ton

Reliability, Common Issues, and Maintenance Costs

The Mk3 Ford Focus RS, like many high-performance cars, demands a bit more attention when it comes to maintenance and reliability. While it's generally well-engineered, the RS has a few well-known issues you should be aware of - especially if the example you’re looking at has been modified. As with any car, a few issues have surfaced over time, particularly with early models. In terms of factory warranty, Ford offered a standard three-year/60,000-mile guarantee on the Mk3 Focus RS.

Engine: Head Gasket Failure and Engine Block Cracking

The most notorious issue with the Mk3 Focus RS relates to its 2.3-litre EcoBoost engine, specifically concerning the head gasket. This problem primarily affected early production models (2016-2017) and became a significant talking point among owners and enthusiasts online. The root cause was a production line mix up where some cars received the wrong head gasket, intended for the Mustang’s derivative of the engine, which had a different cylinder head design.

Symptoms of head gasket failure include white smoke from the exhaust (due to coolant entering the combustion chamber), loss of coolant, and engine overheating. If left unchecked, this issue can lead to engine damage, including cracked cylinder liners or a warped head.

To Ford’s credit, the firm acknowledged the problem and issued a recall fix under warranty. This included replacing the head gasket with the correct part and, in some cases, replacing the entire cylinder head. Buyers should check the service history to ensure that any affected vehicle has had this issue addressed. Post-2017 models or cars that have had the head gasket and cylinder head replaced should be free from this issue. When combing through the paperwork the reference number FSA17832 is what you’re looking for to ensure it has been done.

Engine block cracking is another issue, especially if the car has been tuned or modified beyond its factory specifications. Albeit less common, buyers should still inspect the engine for signs of coolant leaks or oil mixing with coolant - both potential indicators of a cracked block. Finally, on start-up, listen for rattling noises from the engine bay - a potential sign that the timing chain casing is damaged or loose.

Turbocharger and Boost Pressure Issues

While generally reliable, there have been instances of turbo failure, particularly in cars that have been tuned to run higher boost pressures than stock. Signs of turbo issues include excessive smoke from the exhaust, loss of power, or unusual whining noises from the turbo.

Regular oil changes using high-quality synthetic oil are essential to prolong the life of the turbocharger. Buyers should also check for any records of turbo replacement or servicing, particularly on higher-mileage cars.

Transmission: Six-Speed Manual Gearbox and Clutch

The Mk3 Focus RS comes exclusively with a six-speed manual transmission, which generally holds up well under the car’s power. However, some owners have reported issues with the clutch, especially in cars that have been driven hard or used frequently on the track, or seen excessive or incorrect use of that oh-so-tempting launch control. Owners with mechanical sympathy might’ve been more inclined to slip the clutch off the line, however this confuses the system and does more harm than good. A new clutch kit, including labour, can cost upwards of £1,000.

It’s therefore crucial to test drive any prospective purchase thoroughly, paying close attention to the clutch’s feel and the gearbox’s operation. A heavy or sticky clutch pedal could indicate a need for replacement soon. Some cars may have had an early clutch replacement, but take this as a positive sign of a diligent owner - when the head gasket recall was done, Ford recommended replacing the clutch at the same time. However, unlike the head gasket, Ford refused to cover the costs. Some owners point-blank rejected the recommendation on the basis that such a crucial part should not require changing after such little time, insisting the original clutch remain in situ. Providing it’s in tandem with the recall, an early clutch change is nothing to fear.

The gearbox itself is robust, but some owners have reported a notchy or stiff shift, particularly when the car is cold. This can often be improved with a gearbox oil change or by upgrading to a higher-quality transmission fluid.

All-Wheel Drive System and Rear Differential

As we’ve already covered, the Mk3 Focus RS’s all-wheel-drive system, with its dynamic torque vectoring, is one of the car’s standout features. However, it’s also a complex system that requires proper maintenance to ensure longevity. Some owners have reported issues with the rear differential, particularly if the car has been subjected to frequent track use.

Symptoms of rear differential problems include whining noises, vibrations, or difficulty in tight turns. It’s essential to ensure that the rear differential fluid is changed at the recommended intervals, as per Ford’s service schedule. Neglecting this maintenance can lead to expensive repairs.

Suspension: Adaptive Dampers and Bushings

While the adaptive dampers are generally reliable, there have been reports of issues with leaks or failure after extensive use. Worn suspension bushings are also a common issue, especially in cars that have seen a lot of hard driving or track use. 

Symptoms include knocking noises, uneven tyre wear, or a vague feeling in the steering. Replacing worn bushings with new OEM or upgraded aftermarket parts can often improve both the longevity and handling of the suspension.

Replacing the adaptive dampers can be expensive, with each damper costing around £300-£400. Bushings are relatively inexpensive, but the labour costs can quickly add up.

Braking System: Brembo Brakes

Common issues include warped brake discs, which can lead to vibration or juddering under braking, and worn pads. It’s also worth checking the brake fluid, as old or degraded fluid can impact brake performance. Upgrading to high-performance brake pads and fluid is a common modification among owners who track their cars regularly.

Front pads can cost around £150-£200, while front discs are around £300-£400. Expect to replace pads every 20,000 miles under normal driving conditions.

Electrical and Infotainment System

The Mk3 Focus RS is equipped with Ford’s SYNC 2 infotainment system, which is generally reliable but not without its quirks. Some owners have reported issues with the system freezing, failing to recognise voice commands, or problems with Bluetooth connectivity. Software updates from Ford have addressed many of these issues, so it’s worth ensuring the car’s system is up to date.

Other electrical issues that have been reported include malfunctioning sensors (such as parking sensors), and problems with the car’s battery, particularly if the car has been used infrequently. However, such an issue is a symptom of all cars with stop/start technology. As always, it’s advisable to check that all electrical systems are functioning correctly during a pre-purchase inspection.

Maintenance Costs and Service Intervals

Oil Changes: Every 6,000-10,000 miles or annually, depending on usage. Expect to pay £100-£150 for a high-quality synthetic oil change.

Major Service: Ford recommends every 37,500 miles or every three years, whichever comes first. Typically includes replacing air filters, spark plugs, brake fluid, and a thorough inspection of all critical components. This can cost around £400-£600 depending on the garage.

Timing Belt: Although the Mk3 uses a timing chain rather than a belt, which typically requires less frequent replacement, the water pump is often recommended to be changed at around 60,000 miles, costing £300-£400.

Rear Differential Fluid Change: This should be done every 30,000 miles, with a cost of about £150-£200.

Modifications and Tuning: Mountune Packages

The Mk3 Focus RS is popular in the tuning community, and many cars on the used market will have been modified in some way. Common modifications include engine remaps, upgraded intercoolers, and exhaust systems. While these can enhance performance, they can also increase wear and tear on components like the clutch, gearbox, and turbocharger.There is one tuning company however that offers peace of mind; Mountune. As an official partner of Ford UK, the Mountune M375 package was offered as a dealer fit option, and whilst the kit was significantly more expensive than most tuners for a 30 bhp gain, crucially it did not invalidate the manufacturer’s 3 year warranty. Mountune also offered an M400 and M450 kit, however neither of these were sanctioned by Ford, thus invalidating the warranty. Today that is less of a concern, unless the car you have your eye on features an extended warranty.

Mountune FPM375 Power Output: 370 BHP (375 PS) @ 6,000 RPM Torque: 376 lb-ft (510 Nm) @ 3,000 RPM 0-62 mph (0-100 km/h): 4.5 seconds

Key Components: High-flow induction kit, uprated recirculation valve, mTune handset with bespoke Mountune calibration, Mountune-branded alloy intercooler pipe upgrade

Mountune M400 Power Output: 395 BHP (400 PS) @ 6,000 RPM Torque: 413 lb-ft (560 Nm) @ 3,000 RPM 0-62 mph (0-100 km/h): 4.3 seconds (est.)

Key Components: All components of the FPM375 kit + upgraded turbo recirculation valve, high-flow induction system, upgraded exhaust downpipe, mTune handset with M400 calibration.

Mountune M450 Power Output: 444 BHP (450 PS) Torque: 428 lb-ft (580 Nm) 0-62 mph (0-100 km/h): 4.0 seconds (est.)

Key Components: All components of the M400 kit + uprated fuel system, high-performance turbocharger, front-mounted intercooler, bespoke M450 calibration

The M450 kit took the Focus RS into serious performance territory, making it one of the most powerful hot hatches on the market. This package, while impressive, was geared towards more hardcore enthusiasts and was typically used for track days and other performance-oriented driving. Again, this package was not covered under the factory warranty, so it required careful consideration before installation.

Popular Mk3 Focus RS Aftermarket Mods:

Below is a detailed list of popular modifications with hyperlinks to each product, as well as recommendations for specialist services like wheel alignment.

Exhaust Systems:

Milltek Sport Cat-Back Exhaust Scorpion Exhausts Cat-Back System Remus Exhaust Systems

Intake Systems:

Mountune Induction Kit Revo Carbon Series Intake AIRTEC Stage 2 Induction Kit

ECU Tuning:

Mountune Revo Dreamscience iMap

Intercoolers:

AIRTEC Pro Alloy

Suspension Upgrades:

Eibach Pro-Kit Springs: These springs improve the stance and handling of the Focus RS by lowering the car and reducing body roll.

KW Variant 3 Coilovers: For maximum adjustability, these coilovers offer separate compression and rebound adjustments, ideal for fine-tuning your setup.

Mountune Clubsport Suspension Kit: This kit includes stiffer springs and dampers along with upgraded anti-roll bars, offering significantly sharper handling for track enthusiasts.

Wheel Alignment Specialists:

Centre Gravity (Atherstone, Warwickshire) Powerstation (Tewkesbury, Gloucestershire) Suspension Secrets (Congleton, Cheshire)

Buying; Market Analysis and Pricing Guide

As of 2024, used Mk3 Focus RS models typically range from £22,000 to £35,000. The lower end of this spectrum usually includes earlier models (2016-2017) with higher mileage (50,000+ miles) or those that have been modified or have seen heavy use. Well-maintained, low-mileage examples (under 20,000 miles), especially later models (2018), can command prices closer to or even above £35,000.

Modifications Impact

Cars with Mountune or other reputable tuning packages may command slightly higher prices, especially if the modifications are documented and were installed by authorised dealers. However, heavily modified examples or those with non-Ford approved modifications might see a slight decrease in value due to potential reliability concerns and limited buyer interest.

Depreciation Prediction

Upon release, the Focus RS saw a typical initial depreciation, but in recent years, its value has stabilised, with some models even appreciating slightly. The car’s status as a modern classic, coupled with its limited production run, has bolstered its value retention. Cars with lower mileage and in exceptional condition, especially special editions, are likely to experience slower depreciation and will likely even appreciate in the long run, as we have recently seen with both the Mk1 and Mk2 Focus RS.

Need to Know - Key Optional Extras Guide

19” Lightweight Forged Alloys - as standard the RS rides on gunmetal grey ten spoke 19-inch alloy wheels. Forged 19” wheels were available as a £595 option in a twin-spar, five spoke pattern saving 0.95 kg of unsprung mass per corner, which came exclusively in black.

Recaro Seats - Half-leather Recaro front seats are standard, supplied in one colour - charcoal - unless the car is finished in the optional extra Nitrous Blue metallic, where the bolsters are blue. As an alternative to the standard seats, RS purchasers could specify Recaro ‘shell’ seats designed to provide extra support during hard cornering. These stylish seats were a £1,145 option, however many road testers heavily criticised the loss of height adjustment offered by the standard seats, so if a car has them fitted, it is critical to ensure you’re happy with the driving position.

Paint Finishes - only one colour was available as standard: Stealth Grey, a solid, non-metallic finish. Buyers had, however, had a choice of four other colours as cost options. Frozen White, also a solid rather than metallic finish (£250), Shadow Black, a pearlescent finish (£525), Magnetic, a grey metallic (£525) and the signature Nitrous Blue metallic (£745).Luxury Pack - This included electric folding mirrors, cruise control, keyless entry and rear privacy glass.

Satellite Navigation - Also comes with Ford's SYNC2 infotainment system as well as a rear-view camera and an uprated speaker system.

Winter Pack - The Winter Pack came with heated front seats and a heated steering wheel (which could be specified on its own). Cars with Recaro shell seats cannot be had with heated front seats.

Protection Pack - Four rubber floor mats and a boot liner for enhanced protection.

Bike Pack - The Bike Pack allows you to transport your bike without having to sling it in the boot thanks to a Thule 298 bike carrier and roof base.

Special Editions and Variants

Heritage Edition:

The Heritage Edition is perhaps the most exclusive and coveted version of the Mk3 Focus RS. Introduced in 2018 as a final send-off for the RS before production ended, the Heritage Edition was limited to just 50 units, making it extremely rare. These cars were available only in the UK, which adds to their collectability.

Unique Features:

Exclusive Colour: The Heritage Edition was finished in a unique "Tief Orange" paint, a striking colour that set it apart from other variants.

Mechanical Upgrades: This edition came equipped with the Mountune FPM375 upgrade as standard, pushing power up to 375 bhp and 510 Nm of torque. The upgrade included a high-flow induction kit, uprated turbo recirculation valve, and an mTune handset for enhanced engine mapping.

Additional Equipment: The Heritage Edition also featured a Quaife limited-slip differential (LSD) for the front axle, which significantly improved traction and handling dynamics, making it the most driver-focused version of the Mk3 RS.

Interior: Inside, the Heritage Edition featured carbon fibre trim and black leather Recaro seats with contrasting orange details.

Rarity and Collectability: The combination of exclusivity, unique features, and performance upgrades ensures that the Heritage Edition commands a premium in the used car market, with values often surpassing £50,000 depending on mileage and condition. This model is considered a cast iron future classic.

RS Edition:

The RS Edition, introduced in 2017, was a limited-run variant designed to offer a more focused driving experience while still being more widely available than the Heritage Edition. It wasn't as rare, but it brought several enhancements that appealed to enthusiasts.

While the exact production numbers were never officially confirmed, the RS Edition was produced in limited quantities, with an estimated 1,000 units made available in the UK.

Differences from the Standard RS:

Exclusive Colour: The RS Edition was only available in "Nitrous Blue" with matte black detailing on the roof, mirrors, and rear spoiler, giving it a distinctive look.

Mechanical Enhancements: Like the Heritage Edition, the RS Edition featured the Quaife LSD on the front axle.

Interior Upgrades: The interior received subtle tweaks, including partial leather Recaro shell seats, carbon fibre trim pieces, and unique RS Edition badging. These touches added to the car’s special feel without being overly flashy.

Collectability: The RS Edition, while not as rare as the Heritage Edition, is still highly desirable, especially if teamed with an FPM375 upgrade. In the used market, these cars typically command a premium over the standard RS models, though they are generally priced below the Heritage Edition. Expect to see prices ranging from £32,000 to £38,000 depending on condition and mileage.

Focus RS Swiss Edition:

The Swiss appear to be a demanding bunch, because much like the Clio 182 Trophy, [LINK] they received their own exclusive model, often referred to as the "Focus RS Red Edition”. Essentially the UK’s RS Edition finished in an exclusive Race Red, the car benefitted from the same upgrades, including the Quaife differential.

Exterior, Interior, and Practicality; Living with the Mk3 Ford Focus RS

Exterior Design and Styling

Interestingly, at the launch of the Mk3 Focus RS, Ernesto Rupar, Ford of Europe’s supervisor for exterior design, openly talked about how the marketing department had demanded the styling of the third generation car be toned down. This decision was driven by the fact the Mk3 was the first ‘global’ Focus RS, to be sold in all markets, rather than a handful of select countries. Consequently, the decision was made to make all styling enhancements purely functional, with no superfluous flourishes as seen on the thuggish Mk1 and Mk2.

The five-door body shell also prevented any possibility of the much-loved wide arches applied to the earlier cars - the prohibitive cost to re-engineer the doors simply ruled it out. Gone also is the air cooling vent behind the front arches. Rupar even admitted how the design team looked to the Audi RS3 for inspiration; think of the Mk3 Focus RS as having more in common with discreet predecessors such as the 4x4 Sapphire Cosworth than the wilder Sierra and Escort Cosworths with their iconic ‘Whale Tail’ spoilers.

That said, it is still unlikely you will mistake the Mk3 Focus RS as anything other than a performance car. At the front the RS features a large, gaping grille that channels air to the engine and intercooler for improved cooling. Below that lies a prominent front splitter enhances aerodynamic efficiency, while aggressive side skirts visually lower the car and improve airflow.

Moving to the rear, the roof-mounted spoiler is engraved with the RS logo which not only adds to its visual drama but also generates additional downforce at high speeds. The rear bumper layout will be instantly familiar to Mk2 RS owners, as the design pays tribute to that car with a like-for-like layout incorporating a functional diffuser and housing a pair of large-bore exhausts.

Interior Design and Build Quality

The RS’s interior is distinguished by its use of contrasting blue stitching, found on the seats, steering wheel, and gear shifter. An RS-specific flat-bottomed steering wheel is wrapped in soft-touch leather, and features a much thicker rim than the regular Focus. Behind that are RS-specific graphics and a central digital display that can show various performance data, such as turbo boost pressure and oil temperature.

The infotainment system, Ford’s SYNC 2, features an 8-inch touchscreen that includes navigation, Bluetooth connectivity, and Apple CarPlay/Android Auto compatibility.

Aesthetically, the cabin might not be as pleasing on the eye as some German rivals, but materials throughout the cabin are generally of high quality, with soft-touch plastics on most surfaces. However, some areas - such as the lower door panels and centre console - feature harder plastics than you might anticipate. Still, the overall build quality is solid, with tight panel gaps and a robust feel to the switchgear.

Ergonomics and Comfort

For a car designed with performance in mind, the Mk3 Focus RS manages to strike a commendable balance between sportiness and everyday comfort.

Visibility is generally good, with large windows and thin pillars providing a clear view of the road ahead. The only slight drawback comes from the large rear spoiler, which can obscure the rearward view somewhat, especially when reversing. However, this is mitigated by the standard rear parking sensors and optional rear-view camera.

Cabin noise levels are higher than in a standard Focus, with more road and engine noise filtering through, particularly at higher speeds, due to the wider, performance-oriented tyres. 

Practicality and Usability

Despite its hardcore performance credentials, the Mk3 Focus RS remains a practical and usable car for daily life. Unlike many of its rivals, the RS comes exclusively as a five-door hatchback, providing easy access to the rear seats and a reasonable amount of interior space for passengers.

The rear seats offer decent legroom and headroom for adults, although taller passengers might find the sloping roofline a bit limiting on longer journeys. The seats can also be folded down in a 60/40 split, expanding the boot space and making it easy to carry larger items.

The boot itself offers 260 litres of space with the rear seats up - a bit less than some of its rivals due to the intrusion of the rear differential and AWD components. However, fold the seats down, and this expands to 1,045 litres. Storage options within the cabin are adequate, with large door pockets, a spacious glovebox, and a central storage bin. Cup holders are provided, though they’re a bit on the small side, and there’s a handy tray in front of the gear lever for storing your phone or other small items.

Fuel Economy

Fuel economy is not a strong point of the Mk3 Focus RS - expect to achieve around 30 mpg in mixed driving conditions, which drops to the mid to low teens when enjoying yourself. Given the car’s performance, these figures might not seem so bad, but rivals can offer another 5-10 mpg on average depending upon the gearbox, and in the case of the BMW M140i, that’s from six cylinders. The capacity of the fuel tank is 51-litres, resulting in a real-world range of approx 320-340 miles depending on driving habits.

Ownership Community and Resources

Focus RS Owners Club UK Ford RS Owners ClubFocusRS.org

Events and Meets:

RS Combe Ford Fair

Ford RS Specialists in the UK

Rallysport Automotive - Colchester Motorsport Developments - Blackpool Ian Cranston Automotive - Skipton Matt Lewis Motorsport - Leicestershire Collins Performance - Congleton, Cheshire Mountune - Hutton, Essex Pumabuild - Birmingham Devil Developments - Littlehampton, West Sussex AET Motorsport - Normanton, West Yorkshire Automek - East Kilbride, Scotland

Mk3 Focus RS - Key Rivals - then and now

MK7.5 Volkswagen Golf R

The Mk7.5 Volkswagen Golf R stands as one of the most significant rivals to the Mk3 Focus RS. Powered by a 2.0-litre turbocharged four-cylinder engine, the Golf R produces 306 bhp and features a Haldex all-wheel-drive system. It delivers a 0-62 mph time of 4.9 seconds, which is comparable to the Focus RS. The Golf R is known for its balanced driving dynamics, with a more refined and less aggressive nature compared to the Ford. 

While it may lack the rawness of the Focus RS, it makes up for it with everyday usability, comfort, and an arguably more premium feel. The Golf R also benefits from the extensive Volkswagen aftermarket scene, allowing owners to unlock additional power with relative ease - some would say this at the expense of the car’s image. Prices for a used Mk7.5 Golf R in good condition typically range from £20,000 to £35,000, depending on mileage, condition, and spec.

BMW M140i

The M140i and its M135i predecessor are hot hatches that have carved out their own niche, thanks to the adoption of rear-wheel-drive and a silken straight six engine. Although their dynamics might not be a match for the sharpness of the focus, the unique powertrain still produces an entertaining drive, and the aftermarket support for the car is huge with endless tuning options and handling upgrades. 

Like the Golf, the BMW has somewhat become a victim of its own success, suffering from an image problem - but you really shouldn't hold that against the car. Best paired with the ZF 8-speed automatic transmission, the M140i also brings class leading economy. The 1 Series is also a highly dependable car, topping the 2023 WhatCar? reliability survey for family class cars which takes into account the last five years of ownership satisfaction and issues. Expect to pay between £17,000 and £30,000.

Mercedes-AMG A35 and A45

The Mercedes-AMG A35 and A45 represent the more premium end of the hot hatch spectrum. The A45, in particular, is a performance monster, with its 2.0-litre turbocharged engine producing an astonishing 416 bhp in its current guise. The A45 S is particularly noteworthy for its drift mode and the ability to deliver thrills that are comparable to, if not more intense than, the Focus RS. 

When the Mk3 Focus RS was on sale, the A45 possessed 376 bhp and 350 lb-ft (475 Nm) of torque. This impressive power output made it the most powerful 2.0-litre production engine at the time. The A45’s power was sent to all four wheels via a 7-speed AMG SPEEDSHIFT DCT dual-clutch transmission and a Haldex all-wheel-drive system, enabling a 0-62 mph time of just 4.2 seconds. The A45's performance was further enhanced by its optional AMG Dynamic Plus package, which included a mechanical front axle locking differential and AMG Ride Control sports suspension. However, some critics noted that it lacked the playful, engaging nature of the Ford. The interior of the A45 was a step above most hot hatches, offering a more premium feel with high-quality materials and advanced tech features.

Its little brother is the A35, with 302 bhp [LINK to A 35 AMG review] which offers a more accessible entry point into AMG ownership. Both models come equipped with all-wheel drive and are known for their blistering straight-line speed and aggressive styling. Expect to pay £20,000 to £50,000 for a used A35 or A45, depending on the model year and condition.

Audi RS 3

The Audi RS 3, particularly the 8V pre-facelift model produced from 2015 to 2017, was another formidable rival to the Mk3 Focus RS. The RS 3 was equipped with Audi's signature 2.5-litre five-cylinder turbocharged engine, producing 362 bhp and 343 lb-ft (465 Nm) of torque. This engine was mated to a 7-speed S tronic dual-clutch transmission and the quattro all-wheel-drive system, giving the RS 3 a 0-62 mph time of 4.3 seconds. The RS 3 was renowned for its distinctive five-cylinder soundtrack, which was a key part of its appeal.

The RS 3’s quattro system provided excellent traction, making it a very stable and confidence-inspiring car to drive, even in poor weather conditions. However, like the A 45, some enthusiasts felt that the RS 3 lacked the playful, driver-focused dynamics of the Focus RS, instead offering a more planted and predictable driving experience.

Later versions of the RS 3 offer a formidable 395 bhp, and the RS 3 is renowned for its straight-line speed, with a 0-62 mph time of just 4.1 seconds, with a more rear biassed quattro system again inspired by the Mk3 Focus RS. Prices for a used Audi RS 3 typically fall between £22,000 and £50,000.

FK8 Honda Civic Type R

Two versions of turbocharged Civic Type R actually straddled Mk3 Focus RS production, and due to the Ford’s strong residuals the later-generation FK8 of late 2017 onwards is the closer competitor in today’s market.

A similarly landmark hot hatch, the 316 bhp Type R is an even sharper car to drive than the Focus, however it remains front wheel drive, allowing the Mk3 RS to claw back some points thanks to the UK’s inclement weather. The Honda also has some of the edge missing from the tamer Mk3 RS’s styling, however its looks remain a divisive topic. Expect to pay £28,000 to £40,000. A truly fantastic car to drive.

Toyota GR Yaris

Assuming you’re looking at buying the Ford as a weekend proposition and are thus less reliant on the need for a spacious interior and large boot, prioritising driving thrills, then the GR Yaris is the giant fly in the RS ointment. Despite its three-cylinder engine sounding undernourished with 261 bhp the Yaris still accelerates as hard thanks to its lower mass. It's also equally fast across the ground, changes direction better and has even more AWD hardware packed into its little frame. The gear change and steering are sweeter too and the engine revs out to its 7,000+ rpm redline with real gusto. It even has a similarly lofty driving position.

The killer blow is the relative newness of the Toyota means it’ll still have the balance of a 5yr manufacturer warranty left. And if the car has been serviced by Toyota, that warranty can be extended to ten years for no extra cost. Secondhand values for the GR Yaris start from around £27,000.

Mk2 Ford Focus RS

If you’re a dyed in the wool Blue Oval fan, strong residual values also mean the Mk2 RS should be on your radar. Priced from £22,000 to £60,000 for the ultra rare RS500 variant, the Mk2 makes for compelling opposition. And if you find one with Ford approved Mountune upgrades, it’ll be just as accelerative and exciting to drive. It’ll also turn more heads with its muscular styling and distinctive five-cylinder warble.

Mk3 Ford Focus RS Buying Guide Conclusion

Despite being out of production, the Mk3 Ford Focus RS remains an extraordinary example of what can be achieved in the hot hatch segment. It was a pioneer that has as much, if not more in common with JDM high performance cars such as the Mitsubishi Evolution and Subaru Impreza WRX than traditional European hot hatches.

Think of it as the perfect bridge between the two worlds, getting within touching distance of an Evo IV’s dynamics without the heartache of 5,000-mile service intervals, yet still being able to provide the refinement to challenge German rivals - if not the prestige. The only drawbacks are the slightly high fuel consumption (and the slightly high driving position if the Recaro shell bucket seats are specified!) plus a firm low speed ride.

Assuming the head gasket recall has been taken care of, the Mk3 Focus RS shouldn’t give you many reliability headaches either. Another plus is the strong community support. For us, the pick of the bunch is a Nitrous Blue ‘RS Edition’ with the wick turned up to 370 bhp via the FPM375 kit. The addition of the Quaife differential was a quiet upgrade that wasn’t shouted about at the time by Ford, but is one that elevates an already excellent handling car onto a higher plane.

Whether you're drawn by its rally-bred heritage, the lure of "Drift Mode," or simply its status as one of the most potent hot hatches of its era, the Mk3 Focus RS is a car that demands attention. If you find a well-maintained example, it will undoubtedly reward you with miles of smiles and a driving experience that's hard to match, plus strong residuals thanks to its relative rarity.

In a world where many performance cars are becoming more diluted, the Mk3 Focus RS stands as a reminder of what true driving excitement is all about. Just make sure you test drive a Mk2 Focus RS, a Toyota GR Yaris and an FK8 Civic Type R before you hand over your hard earned…