In a milestone race for the IMSA Michelin Pilot Challenge, on a milestone weekend for BMW M Motorsport, Jeff Westphal and ...

However, in the case of Pontiac GXP — without official word — car enthusiasts ... was called the GTP. GTP stands for Grand Touring Prototype, and is derived from an IMSA (International Motor ...

This remained a core philosophy of the company and led to some of the coolest looking classic muscle cars ever ... Associations (IMSA) GTP racing classes. Also another familiar Pontiac badge ...

What are the differences between these very similar sports car prototype categories ... In LMDh, which is designated as the GTP class by IMSA, there are four approved suppliers of standard ...

The International Motor Sports Association (IMSA) has revealed its 2026 calendar at the Mobil 1 Twelve Hours of Sebring for ...

The new addition to the Grand Touring Prototype category will pit a roaring engine against a field of hybrids as the prototype platform from the WEC Series makes its IMSA debut.

A total of 56 cars will contest the 73rd running of the Sebring 12 Hours, split between 13 GTP, 12 LMP2, 11 GTD Pro and 20 GTD entries. The Florida race will mark the IMSA debut of Aston Martin ...

The IMSA grid for 2025 is filled to brim with new teams, returning faces and expanding classes as excitement begins to brew for next year. The 2025 IMSA WeatherTech SportsCar Championship full ...