and has gone to extreme lengths to transform a workaday Audi 90 into the IMSA GTO version of that car. Not wanting to go the stripe-and-bodykit route, this Audi's flares were painstakingly ...

An iconic Audi that set multiple records has surfaced for sale for the first time since leaving the automaker's hands.

The limited-run model pays tribute to the iconic Audi 90 Quattro IMSA GTO race car. Audi has tweaked the car’s 4.0-liter twin-turbo V8 to deliver 621 hp and 627 lb-ft. Few super estates get ...

Back in February, Audi revealed an RS6 Avant variant that took inspiration from its championship-winning IMSA GTO days. That car, dubbed the RS6 Avant GT, was faster, quicker, and more limited in ...

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Billy Johnson set the fastest time in opening practice for the BMW M Endurance Challenge at Daytona, the opening round of the ...

The BMW M Endurance Challenge was Friday's main event at Daytona. The Rolex 24 cars got one last practice session ahead of ...

Over the past 24 years, the IMSA Michelin Pilot Challenge series has regularly provided some of the best racing of an entire ...