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Ford Sierra Cosworth RS 500


Ford Sierra Cosworth RS 500

When Ford debuted its new jelly mould Sierra in 1982, it was a radical design, a long way from the boxy Cortina it'd replaced. Yet few people envisaged it being a high-performance machine capable of taking on supercars. Ford did produce the V6-equipped XR4i in 1983 and even though it showed potential in the Sierra chassis, it wasn't radically quick. The 1985 RS Cosworth was, however, very fast, and Ford wanted to race it so needed to homologate the car. They produced the RS500, made exactly 500 and added many performance extras. A large rear spoiler with extra raised lip increased downforce at speed, while the rear end driveshafts and bearings were uprated to cope and the four vented discs given an anti-lock system. The engine used a thicker casting block, forged internal parts and a larger turbo which gave out 9psi as stock but 22psi in competition for 570bhp (425kW).

Ford Sierra Cosworth RS 500 Specifications

Top speed:154 mph (246 km/h)
0-60 mph (0-95 km/h):6.1 sec
Engine type:In-line four
Displacement:122 ci (1,993 cc)
Transmission:5-speed manual
Max power:224 bhp (167 kW) @ 6,000 rpm
Max torque:205 lb ft (277 Nm) @ 3,500 rpm
Weight:2,734 lb (1,243 kg)
Economy:20 mpg (7.1 km/I)
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