The Audi 90 GTO scorched a turbocharged, all- wheel drive path across the 1989 IMSA GTO series leaving an indelible mark on the American racing scene. The Audi featured a steel, tubular space-frame, double wishbone suspension with coil springs, ventilated discs brakes all ‘round and, of course, Audi’s signature Quattro all-wheel drive system. Power was supplied by a five cylinder, 2190 ccm engine equipped with a KKK turbocharger.

With Hans Stuck and Trans-Am champion Hurley Haywood at the controls, the Audi 90 GTO dominated IMSA GTO competition in 1989. Stuck drove to victory at Summit Point, Mid-Ohio, Topeka (Heartland Motorsports Park), Sears Point, Watkins Glen, Lime Rock and Laguna Seca, ably supported by Haywood who delivered an Audi one-two on five occasions. However, given that Audi had skipped the opening rounds at Daytona and Sebring, Stuck and Audi finished second in the drivers and manufacturers point standings to Pete Halsmer and the Mercury Cougar XR7.

While the Audi 90 GTO didn’t win a championship it accomplished something far more rare: It won the hearts and minds of a generation of motorsports fans.

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