The 90 quattro IMSA GTO is one of the Audi Sport quattro S1 Pikes Peak derived turbocharged 5-cylinder aluminum engine with displacement of 2.2 liters, which, however, up to 530 kW makes (720 BHP) here. The force is transmitted through a 6-speed manual transmission and the permanent all-wheel drive Quattro transferred to the road though 14-inch wide rims.
Although the body of the 90 quattro IMSA GTO has similarities with the series model Audi 90, only the steel roof was retained as stipulated in the regulations. The body consists of a tubular space frame, on which the outer skin is applied plastic. So the weight has been reduced to 1206 kg. Under the GTOfs skin was a pure racing car. With seven wins in 13 races, Hans Joachim Stuck took third place in the championship and the team came second in the manufacturersf rankings.
The S1 version of this car has over 200+bhp more power over the race car and improved areo.
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