In the background, IMSA fell to third on the depth chart ... the class in which Acura, BMW, Cadillac, Lamborghini and Porsche currently compete. Aston Martin will join midway through this season.

In the background, IMSA fell to third on the depth chart ... the class in which Acura, BMW, Cadillac, Lamborghini and Porsche currently compete. Aston Martin will join midway through this season.

Could we see the Acura ARX-06 competing in the hands of private teams and/or in the FIA World Endurance Championship’s ...

“There are a lot of things happening in the background for us at Porsche ... to see him rekindle a relationship with Cadillac that produced the 2017 IMSA Daytona Prototype (DPi) championship ...

After 10 hours of running on Wednesday at Sebring International Raceway, Porsche Penske Motorsport’s Mathieu Jaminet set the ...

with Cadillac set to be the 11th next season. Like all racing, F1 cars are held to strict standards for performance and specifications. For most, an F1 car is the quintessential race car. IMSA ...

The first 60 minutes and last two hours will air on NBC. USA, IMSA.TV and YouTube will share the middle portions. After that, IMSA, NASCAR’s sports-car cousin, will hibernate for six weeks.

See, in both IMSA and WEC, Cadillac is the only manufacturer that opted to mate a V8 combustion engine to its hybrid powertrain. Everyone else opted for smaller engines — but it was critical ...