At the 2025 Petit Le Mans, Cadillac clinched a dramatic victory, with the No. 31 Whelen Cadillac V-Series.R, driven by Jack Aitken, Earl Bamber, and Frederik Vesti, securing back-to-back wins in the GTP class. This triumph concluded the 2025 IMSA WeatherTech SportsCar Championship season at Michelin Raceway Road Atlanta.
In the GTP championship standings, Porsche emerged as the season’s title holder. Mathieu Jaminet’s performance in the No. 6 Porsche Penske Motorsport entry contributed to Porsche’s success, marking their second consecutive GTP championship.