Pontiac GTP is believed to stand for Gran Turismo Prototipo or Grand Touring Prototype, based on one of the International Motor Sport Associations (IMSA) GTP racing classes. Also another familiar ...

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 ...

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 ...

IMSA President John Doonan said this weekend at Daytona International Speedway that 89 cars applied for entry into this ...

IMSA president John Doonan says that GTP manufacturers tell him they want to hire American drivers, but where will those drivers come from? Being elbowed out by drivers who get their training in ...

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.

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.

IMSA Classic Saturday morning at the 63rd Rolex 24 At Daytona truly offered race fans and competitors alike a period-correct ...