Audi 90 quattro IMSA GTO

Production period:	1989
Class :	race car
Body versions :	Saloon
Engines:	Gasoline:2.2 liters (530 kW)
Length:	4481 mm
Width:	1999 mm
Height:	1222 mm
Wheelbase :	2537 mm
Curb weight :	1206 kg

The Audi 90 quattro IMSA GTO (internally R5) is a racing car of the Audi brand , which was used in 1989 in the American IMSA GTO racing series. 

History

The car following previous successes in rallying and winning the also in the United States settled Trans-AM Series in 1988 with the Audi 200 quattro Trans-AM the superiority of quattro drive also demonstrate in the streets. It is the only race car Audi uses at the factory based on the Audi 80/90 B3 .

Although the body of the 90 quattro IMSA GTO has similarities with the production model Audi 90, it has nothing in common with it other than the standard steel roof laid down in the regulations. The body consists of a grid frame on which the outer skin is made of plastic. So the weight could be reduced to 1206 kilograms. Compared to the production version of the race car is greatly widened and equipped with a rear spoiler, on fast tracks with a two-story rear wing.

The 90 quattro IMSA GTO is powered by a turbocharged 5-cylinder 2.2-liter in-line engine derived from the Audi Sport quattro S1 Pikes Peak , but with up to 530 kW (720 hp). The power is transmitted to the road via a 6-speed gearbox, which blocks a gear due to the IMSA regulations, and the Quattro permanent four-wheel drive .