From the unmistakable shrill howl of the four-rotor 1991 Mazda RX-7-001 GTO to the thundering Chevrolet V-8 growl of a 1985 ...

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 ...

Lally, who was named president of the Trans Am Series in December, is a three-time IMSA class champion. The 49-year-old has five class wins at the Rolex as well as victories in endurance events at ...

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 ...

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.

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 ...

IMSA Classic Saturday morning at the 63rd Rolex 24 At Daytona truly offered race fans and competitors alike a period-correct ...