1986 Ford Sierra RS Cosworth - 2.9L Twin-Turbo V6

KEY FACTS

• This Ford Sierra RS Cosworth is a distinctive and extensively upgraded example of the celebrated 1980s performance car, now powered by a twin-turbocharged 2.9-litre V6 and featuring RS500-style bodywork, uprated brakes and suspension, and a bespoke-trimmed cabin.
• It is now powered by a 2.9-litre V6 equipped with twin GT28 turbochargers, delivering up to 530bhp to the rear wheels via a five-speed manual transmission.
• First registered in December 1986, the late owner acquired the car 14 years ago, and it has subsequently passed to his wife as part of his estate.
• The odometer indicates 34,380 miles, though this is not warranted.

EQUIPMENT AND FEATURES

• The car was previously finished in black and has received a full respray in its current eye-catching shade of blue.
• The cabin has received a custom black leather and blue Alcantara retrim.
• It rides on an aftermarket set of 18-inch twin seven-spoke alloy wheels finished in gunmetal with polished lips, framing Touch Down Systems brake callipers, and fitted with Goodyear Eagle F1 tyres.
• Its exterior has been enhanced with RS500-style bodywork, including additional spoiler elements and smoked taillights.
• The twin-turbocharged V6 features GT28 turbochargers, a Wolf ECU, an uprated front-mounted intercooler, a custom plenum chamber, performance air filters, silicone coolant hoses, custom engine-bay tanks, and an uprated radiator with twin electric fans.
• A modified stainless-steel exhaust system is also fitted.
• The braking system has been comprehensively upgraded with Hi-Spec six-piston front callipers and 355mm discs, four-piston rear callipers and 335mm discs, as well as braided brake lines.
• Its chassis specification includes AVO coilover suspension at the front and rear, polyurethane bushes throughout, and an E-Tech front strut brace.
• A Clifford Concept 650 alarm system is installed.
• The car is accompanied by its V5C, previous MOT certificates, various insurance and parts documents, rolling-road printouts, insurance specification documentation, copies of Max Power and Performance Ford magazines with cover features on the car, and one key with remote.

CONDITION

• Please refer to the photo gallery to assess the exterior and interior condition.
• Specific notes from the seller include: there are minor scratches commensurate with age and use, while the tailgate and rear wheel arches require attention. The car has previously received a full respray, changing its exterior colour from black to blue. The interior has received a full custom retrim in leather and Alcantara.
• The seller is unable to confirm whether there are any current mechanical or electrical faults.
• MOT test history is shown via the button in the listing overview.

SUMMARY

This Ford Sierra RS Cosworth is a highly individual interpretation of one of the defining performance cars of the 1980s, extensively upgraded with a twin-turbocharged 2.9-litre V6, uprated chassis and braking hardware, and RS500-inspired styling. Its bespoke specification is complemented by a custom leather and Alcantara-trimmed cabin, while the car was in the late owner's possession for 14 years and is accompanied by various documents and rolling-road printouts. Previously featured in specialist Ford and performance magazines during the late 1980s, 1990s and early 2000s, it should appeal to enthusiasts seeking a notably modified example of the iconic Sierra RS Cosworth.

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.