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.

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 ...

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 ...

Its carbonfibre bonnet is the first on a production Audi, with its unpainted sections referencing the IMSA-GTO racer. The front bumper is entirely new, featuring a deeper, lower central intake and ...

In 1988, Audi won the Trans-Am Series, in 1989 the Audi 90 quattro was the dominant car in the IMSA GTO series. Audi won the American Le Mans Series (ALMS) championship title nine times in ...

citing the fire-spitting 700bhp IMSA/GTO Audi 90 quattro as the true grandfather of the five-cylinder engine seen in the current TT RS. The new Porsche 911 Carrera S accelerates faster than a GT3 ...