Description

Highlights Originally a French-market example, now registered on UK plates and located in France Extensive history file accompanies the car, we are told MOT valid until July 2026 with no advisories Recently serviced with cambelt change and new suspension fitted all round, we are told The vendor describes the condition as very good and original throughout The Appeal The Ford Sierra RS Cosworth is a high-performance legend born out of motorsport necessity. Built by Ford Europe to meet FIA Group A ...

About the Sierra RS Cosworth

The Ford Sierra RS Cosworth (1986-1987) was the 3-door homologation special. Cosworth YB turbo with 204hp, whale-tail spoiler, limited-slip diff. Around 5,500 built. The legend begins. Values from £50k.

Known Issues to Watch For

Sierra Cosworth: Engine - YB Cosworth turbo. Head gasket critical (especially early RS500s), timing belt every 36k, water pump, turbo (Garrett T3/T4). Strong if maintained. RS500 - even more stressed. Gearbox - T5/MT75 5-speed strong. 4x4 (Sapphire) - viscous coupling, transfer box. Body - Less rust than 70s Fords but check sills, inner wings. Rear spoiler expensive. Authenticity - Check chassis plate, build spec. Values rising - RS500 commanding serious money. Budget £4-8k annually.

Desirable Options

RS500 (ultimate), 3-door RS (iconic), Sapphire 4x4 (practical), Unmodified, Matching numbers, Full history

1986 Ford Sierra RS Cosworth

Specifications

Price history: Sierra Cosworth at auction

Sierra Cosworth prices over time

Recently sold at auction: Sierra Cosworth

1990 Ford Sierra Sapphire RS Cosworth 4x4 Subject to a comprehensive restoration

1991 Ford Sierra Sapphire Cosworth 4x4

1991 FORD SIERRA SAPPHIRE COSWORTH 4X4 - ONE REGISTERED KEEPER

1988 Ford Sierra RS500 Cosworth #54/500

1991 FORD SIERRA SAPPHIRE COSWORTH