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 ...

With straightaway speeds rivaling IndyCars, the ZR1 wiped out lap records set by the Porsche GT3 RS and McLaren Senna.

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 ...

TrackHouse has NASCAR and MotoGP efforts, but the team is set to debut in IMSA at the Rolex 24 with ... than expected by fielding a Chevrolet Corvette in this upcoming year’s Rolex 24 ...