Audi 90 quattro IMSA GTO

Audi
90 quattro IMSA GTO
Production period:	1989
Class :	race car
Body versions :	limousine
Engines:	Otto engine : 2.2 liters (530 kW)
Length:	4481 mm
Width:	1999 mm
Height:	1222 mm
Wheelbase :	2537 mm
Empty weight :	1206 kg
Previous model	Audi 200 quattro Trans-Am (R4)
successor	Audi V8 quattro DTM (R6)

Rear view of the 90 quattro IMSA GTO

Cockpit of the 90 quattro IMSA GTO

The Audi 90 quattro IMSA GTO (internal R5) is a racing car from the Audi brand that was entered in the American IMSA GTO racing series in 1989 . After previous successes in rallying and winning the Trans-AM series, also based in the USA , in 1988 with the Audi 200 quattro Trans-AM, he was supposed to demonstrate the superiority of the quattro drive on the road. It is the only racing car based on the Audi 80/90 B3 used by Audi at the factory .

drive

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

body

The body of the 90 quattro IMSA GTO bears similarities to the production model Audi 90, but has nothing in common with it apart from the series steel roof stipulated in the regulations. The body consists of a tubular space frame on which the plastic outer skin is applied. In this way the weight could be reduced to 1206 kilograms. Compared to the production version, the racing car is greatly widened and equipped with a rear spoiler, with a two-story rear wing on fast routes.

Technical specifications

Audi 90 Quattro IMSA GTO
Vehicle type	prototype
Engine type	R5 turbo engine
Displacement	2190 cc
power	approx. 530 kW (720 PS)
Torque	720 Nm
V max	310 km / h
acceleration	approx. 3.1 seconds from 0 to 100 km / h
Drive type	all wheel drive
transmission	manual 6-speed sports transmission
Brakes	Disc brakes front and rear
length	4481 mm
width	1999 mm
height	1222 mm
Weight	1206 kg

driver

The car was moved by the drivers Hurley Haywood , Hans-Joachim Stuck , Walter Röhrl and Scott Goodyear .

successes

Hans-Joachim Stuck won seven races in the 1989 season.

• Summit Point
• Mid-Ohio
• Topeka
• Sears Point
• Watkins Glen
• Lime skirt
• Laguna Seca

Audi decided not to start at the two endurance races at Daytona and Sebring, which is why they could not catch up with Ford at the end of the season . Audi finished second in the championship standings with 195 points, 45 points behind Ford. Stuck finished third in the drivers' standings, with Hurley Haywood fourth. In 1990 Audi left the American race tracks and entered the DTM with the Audi V8 quattro .

Individual evidence

1. ↑ http://germancarscene.com/wp-content/uploads/audi-24-05-07.jpg
2. ↑ http://www.classicdriver.de/de/magazine/3400.asp?id=4757
3. ↑ http://www.ultimatecarpage.com/spec/5484/Audi-90-Quattro-IMSA-GTO.html
4. ↑ http://www.classicdriver.com/de/article/audi-90-quattro-imsa-gto