Bill Riley is still fielding a car in the IMSA WeatherTech SportsCar Championship, but 2026 marks the start of another re-invention for Riley Motorsports.
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How fast is the 1989 Audi 90 Quattro IMSA GTO really?
The 1989 Audi 90 Quattro IMSA GTO is widely known as one of the most extreme race cars of the IMSA era, featuring aggressive ...
The top three overall and Prototype class finishers alone well represented the race's featured era that showcased authentic ...
Audi is bringing the limited-edition RS6 Avant GT to the U.S. for 2025, paying homage to the iconic Audi 90 Quattro IMSA GTO race car. Only 85 units of this exclusive model will be available in the ...
Audi is bringing the limited-edition RS6 Avant GT to the U.S. for 2025, paying homage to the iconic Audi 90 Quattro IMSA GTO race car. The RS6 Avant GT gains a retuned 4.0-liter twin-turbo V8 engine ...
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