From the unmistakable shrill howl of the four-rotor 1991 Mazda RX-7-001 GTO to the thundering Chevrolet ... the inaugural Historic Sportscar Racing IMSA Classic Saturday morning at the 63rd ...

IMSA “Win the Weekend” presented by Michelin is back for its third season. Episode 1 of season 3 is now available to stream ...

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 of that car. Not wanting to go the stripe-and-bodykit route ...

Pascal Wehrlein, the Season 10 Drivers’ Champion in Formula E, will make his IMSA race debut at Daytona in January for the Rolex 24 with the Porsche customer team, JDC-Miller Motorsports.

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 ...