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 Lola Corvette GTP, the winners of the inaugural Historic Sportscar Racing ...

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 ...

And to celebrate this latest milestone, Mazda ... IMSA's most exciting support series. The 35th Anniversary Edition is the latest in a long line of special edition Miatas, including anniversary ...

North America’s top sports-car teams started turning laps that count Thursday at Daytona International Speedway. The IMSA WeatherTech ... the first of two Mazda MX-5 Cup races took place.

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 ...