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 ...

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 ...

Aston Martin’s Valkyrie will join the GTP ranks at the Sebring 12-hour, becoming the first Hypercar entry to compete against IMSA’s LMHd entries in the WeatherTech Championship. In 2025 ...

This is the marquee class in IMSA’s WeatherTech Championship Series ... These prototypes are simpler machines compared to GTP, though similar to the untrained eye. Unlike the GTPs, the LMP2 ...