Three 1990 Ford Sierra Cosworth RS500 Group A-Spec Continuation Units Will Be Built At $252k A Pop

Restomods, electromods, and reproductions of classic models are a growing trend in the automotive industry. In that context, Andy Rouse Engineering announced they will produce three continuation units of the 1990 Ford Sierra Cosworth RS500 in Group A spec with the help of UK-based CNC Motorsport AWS.

Since they are based on the racecar, the continuation models won’t be street-legal, but their owners will be able to enjoy them in historic rallies or track days. All three cars will be based on original Sierra Cosworth bodies with the complete bodykit, side exhaust pipes, and whale-tail spoiler. The first example is already underway based on a “909” three-door bodyshell that has been stored since the ’80s.

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Under the bonnet, there will be a turbocharged 2,0-liter four-cylinder Cosworth YB engine producing around 567 hp (429 kW / 575 PS), which is more than the original racecars and more than double the power of the street-legal Sierra RS500.

Power will be sent to the rear wheels through a period-correct Getrag five-speed gearbox with the help of a Bara Motorsport differential. Suspension, braking, and other components will be based on the original drawings and the memory of the people who got involved.

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Veteran racing driver Andy Rouse is no stranger to the Sierra RS500, having won 60 races and four BTCC championships. Together with his engineer Alan Strachan and engine guru Vic Drake, they built more than 30 cars and 100 engines back in the day. The continuation models will be produced with the help of CNC Motorsport AWS which is dedicated to preparing and restoring classic and competition cars.

For those who are not familiar with the Sierra’s racing heritage, the model dominated the BTCC three years in a row in 1988, 1989, and 1990. As you would expect from a continuation project like this, it doesn’t come cheap. Each of the three newly-built Sierra Cosworth Group A cars will have a starting price of £185,000 ($252,576), with the first example to be delivered in early 2022.