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 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. Awesome ...

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 new, ‘ultimate’ RS6 features some extra performance kit and some heritage links to the Audi 90 Quattro IMSA GTO rocket ship from the late 80s. A lot of it is familiar territory for the RS6.

One of the coolest-looking race cars of all time is the 1989 Audi 90 Quattro IMSA GTO, a widebody tube-frame monster that put out around 720 horsepower from a small turbocharged five-cylinder ...

The acronym GTO, or Gran Turismo Omologato, is commonly associated with Ferrariand Pontiac. However, the GTO moniker has been affixed to other cars, too. The Audi 90 Quattro IMSA GTO is one such ...

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 ...