The new rules will divide GTD Pro and GTD cars similarly to the already existing GTP and LMP2 class divisions that occur on restarts. All 61 cars in the field were requested by IMSA to participate.

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

Penske also returned to IMSA in 2017 with Acura and later switched to lead Porsche's GTP program, which won the 24 Hours of Daytona and the GTP championship last year. Like Brown and McLaren ...

Having attended both F1 and IMSA races, I found some distinct differences, and you might be surprised at what I discovered.

Unusual shows of passion, non-traditional viewing platforms added up to a winning Rolex 24 for the glass offices at IMSA.

IMSA President John Doonan has teased further growth for IMSA’s GTP class in the coming years during today’s pre-Rolex 24 press conference. Doonan spoke directly about the potential for additional ...

Honda has made a big change to its IMSA program for 2025 which affects everything it does on and off the track, and could ...

with the IMSA GTP Hybrid Electrified Race Car, at Action Express Racing to learn about physics and engineering. “What we’re doing here is a laboratory. It’s a laboratory for the automakers.

It's also the only production-based car in IMSA GTP, the only car with a V-12 in either series, and the only car built by a major manufacturer without a hybrid system in either category.