2017 Ford focus RS (MK3) - Mountune M520

KEY FACTS

• A potent modern classic performance hatchback, this Ford Focus RS Mk3 offers exhilarating pace and engaging dynamics.
• It is powered by an extensively upgraded 2.3-litre turbocharged four-cylinder engine with a fully forged rebuild and an upgraded turbocharger, sending power to all four wheels via a six-speed manual transmission.
• First registered in 2017; this UK-delivered example was pre-registered to a dealer, but has had only one private owner thereafter.
• The odometer shows 51,279 miles.

EQUIPMENT AND FEATURES

• This Focus RS is finished in Magnetic Grey paintwork over a black interior, featuring RS-branded Recaro front seats with leather side bolsters and alloy foot pedals.
• It rides on 19-inch Forged Black alloy wheels, shod with Michelin Pilot Super Sport tyres.
• This example now benefits from a fully forged engine, an upgraded turbocharger, and a suite of Mountune performance enhancements including: the M520 upgrade kit, mTune Handset, grooved brake discs and 'fast road' Mountune brake pads, cast inlet manifold, cold air induction kit, secondary intake kit, turbo recirculation valve, hard pipe, V2 intercooler assembly, V3 cat-back stainless-steel valved exhaust, and additional Mountune pipes.
• Equipment includes a Quickclear heated front windscreen with heated washer jets, automatic headlights, dual-zone electronic automatic temperature control (DEATC), a rear-view camera, and SYNC3 Navigation with an 8-inch touchscreen DAB audio system with ten Sony audio speakers including a subwoofer.
• Other factory features include Bi-Xenon headlights with adaptive lighting, dual-mode damper settings, dynamic torque vectoring, launch control, lightweight Brembo four-piston monoblock calipers, a performance shift light, and an RS performance rear spoiler.
• Accompanying the car are the original handbooks and all service documents up until they went digital, along with two keys.

CONDITION

• Please refer to the photo gallery to assess the exterior and interior condition.
• Specific notes from the seller include: minor stone chips to the front bumper, a minor dent on the passenger side front door, and a minor dent on the passenger side front wheel arch.
• The MOT test history is shown via the button in the listing sidebar.

SERVICE HISTORY

• It was most recently serviced in September 2025 at 49,539 miles.
• Prior to this, it was serviced in May 2024 at 44,708 miles, including replacement of the oil, oil filter, pollen filter, screen wash, and spark plugs.
• The Mountune M520 upgrade programme was completed in February 2020 at 27,674 miles.

Dates and mileage:

• Apr 2018 - 11,310 miles
• May 2019 - 20,656 miles
• Feb 2020 - 27,674 miles
• Jul 2020 - 29,569 miles (reported)
• Mar 2021 - 31,002 miles
• Apr 2022 - 35,613 miles
• May 2023 - 40,741 miles
• May 2024 - 44,708 miles
• Sep 2025 - 49,539 miles

SUMMARY

The Ford Focus RS Mk3 is a highly acclaimed performance hatchback, celebrated for its potent all-wheel-drive system and engaging driving dynamics. This particular example stands out with its extensively upgraded and fully forged engine, enhanced turbocharger, and a comprehensive suite of Mountune performance modifications, making it a formidable road car. Ready to thrill its next owner, this Focus RS promises an exhilarating driving experience.

Descriptions are provided by the seller and, to their knowledge, are accurate and not misleading. Buyers must satisfy themselves of the description’s accuracy, and independent research is strongly advised. Enquiries should be raised in the comments section and any inspections arranged before bidding.

Classic and collectible vehicles may have had cosmetic or bodywork repairs that are not visually apparent. Photographs may not accurately reflect colour or condition, so buyers should confirm key details directly with the seller. Unless stated otherwise, you must assume that any cherished, personalised, or heritage vehicle registration is not included in the sale of a car or bike. Please see our Terms and Conditions for full details.

All UK-registered cars and motorbikes on Collecting Cars are run through an online HPI check. On the HPI report, this vehicle shows no insurance database markers for damage or theft, and has no finance owing.