GM brands will start on both class pole positions in tomorrow’s Chevrolet Sports Car Classic in Detroit, led by the GTP pole-winning No. 31 Cadillac Whelen V-Series.R of Jack Aitken and Earl Bamber.

Connor Zilisch is looking to gather some positive momentum at next weekend’s Rolex 24 At Daytona ahead of the start of his first full season in the NASCAR Cup Series.

The third edition of our "GTP 2023" podcast series features GM Sports Car Racing Program Manager Laura Wontrop Klauser and GM Director of Motorsports Competition Engineering Mark Stielow, who discuss recent testing with Cadillac's new GTP car and other developments within the program.Listen below or click here.

If Justin Marks decides to bring his team to the NTT IndyCar Series, the plan behind Trackhouse Racing’s rapid rise in the NASCAR Cup Series would offer the perfect blueprint.Although the former sports car and stock car driver isn’t against working with an IndyCar team to gather open-wheel expertise, the...

Despite having a brief respite with on-track competition, the race between major manufacturers to ready their new-for-2023 IMSA GTP hybrid entries continues to ramp up in private testing.RACER has learned Acura’s ARX-06 prototype turned its first laps in anger last week in France at Magny Cours and will soon be...