The Race For GTP Homologation

It’s no secret that the four participating manufacturers in the new Grand Touring Prototype (GTP) class of the IMSA WeatherTech SportsCar Championship have been testing and developing their 2023 LMDh challengers, literally around the clock.

But there is another race unfolding behind the scenes as Acura, BMW, Cadillac and Porsche work with IMSA and the Automobile Club de l’Ouest (ACO, the organizers of the FIA World Endurance Championship and 24 Hours of Le Mans) to get their cars officially...