The 90 Quattro IMSA GTO featured a steel space-frame chassis, composite body panels, and cutting-edge telemetry for real-time data analysis—innovation that would change the future of racing.

Old Audis are cool, and old racing Audis are even cooler. A Swedish Audi fanatic seems to think so, too, and has gone to extreme lengths to transform a workaday Audi 90 into the IMSA GTO version ...

The Eighties Audi 90 IMSA GTO remains one of Top Gear’s coolest ever racing cars. An Audi 90 in name only, the turbocharged track car featured a 20-valve, 720bhp, 2.2-litre five-pot married up ...

The IMSA S4 was put together by Audi Sport South Africa, using the running gear of the 90 IMSA GTO with the then-new 'C4' S4 competition-spec body. Once that was all assembled, the car went racing ...

The Audi RS6 Avant is already a blisteringly fast and desirable vehicle, but that hasn’t stopped Audi from one-upping itself by introducing the track-focused, Audi 90 IMSA GTO–inspired RS6 ...

Every model sold in America will wear a white-and-red livery with white wheels, like the Audi 90 IMSA GTO racer that the car tributes. European-market models will get other color options, but all ...

Every model sold in America will wear a white-and-red livery with white wheels, like the Audi 90 IMSA GTO racer that the car tributes. European-market models will get other color options, but all ...