This weekend, the Aston Martin Valkyrie makes its IMSA debut at the Mobil 1 12 Hours of Sebring. To get fans pumped for the ...

In LMDh, which is designated as the GTP class by IMSA, there are four approved suppliers of standard chassis—Dallara, Ligier Automotive, Multimatic and Oreca. Hypercars can be powered by a ...

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 ...

IMSA announced the 2026 WeatherTech SportsCar Championship calendar this afternoon as part of the build-up to the Mobil 1 ...

IMSA officially announced the 2026 schedules for both the IMSA WeatherTech SportsCar Championship and IMSA Michelin Pilot ...

signaling a shift of their Pro group to the GTP program. The most notable story here is Pfaff given the team’s recent news of financial troubles. A team that has been a staple on the IMSA grid ...

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.

There’s a deeper historical precedent between the current GTP and the version that put IMSA on the worldwide map in the 1980s. Inarguably, the original GTP cars were as technically sophisticated ...

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

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 ...