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 ...

Never mind. Audi switched to the IMSA series instead, and set about creating an all-new tubular steel spaceframe, clothed in a body that resembled the 90 quattro but only if you’d smoked some ...

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 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.

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 ...

A group of Audi design students, led by the brand's head of design, were tasked with reimagining the 90 Quattro IMSA GTO to celebrate 40 years of Quattro. What they came up with is a modern-day ...