Cadillac finished the 2025 IMSA Championship strong, winning the final race, Motul Petit Le Mans, but did not win the overall season championship. The No. 31 Whelen Cadillac V-Series.R team, with drivers Jack Aitken, Earl Bamber, and Frederik Vesti, took the overall victory, marking their second consecutive win to end the season. However, Porsche secured both the GTP driver and manufacturer championships for 2025.  

Race Finish:

Cadillac won the season-ending Petit Le Mans race at Michelin Raceway Road Atlanta. 

Team and Drivers:

The winning car was the No. 31 Whelen Cadillac V-Series.R, driven by Jack Aitken, Earl Bamber, and Frederik Vesti. 

Season Championship:

Despite the strong finish, Cadillac did not win the overall 2025 IMSA GTP season championship. Porsche, with drivers Mathieu Jaminet and Matt Campbell, won both the driver and manufacturer titles. 

Manufacturer's Championship:

Cadillac finished third in the 2025 IMSA GTP Manufacturers' Championship. This was the result of the season finale, where the No. 31 Whelen Cadillac V-Series.R won the Motul Petit Le Mans, but Porsche won both the manufacturer and team titles. The No. 31 car also finished second in the GTP Teams' Championship.