Porsche Penske Motorsport Dominates IMSA Season, Securing All GTP Class Titles

Porsche Penske Motorsport has concluded the 2025 IMSA WeatherTech Sportscar Championship season with a clean sweep of the top-tier GTP class titles. This remarkable achievement underscores the consistent performance and reliability of the Porsche 963 hybrid prototype since the introduction of LMDh regulations.

Key Takeaways

• Porsche Penske Motorsport secured every available title in the GTP class for the 2025 season.

• The Porsche 963 has proven to be the most successful hybrid prototype in the IMSA series since 2023, with 11 wins and 12 titles.

• The team also clinched its second consecutive IMSA Michelin Endurance Cup.

A Season of Unprecedented Success

Porsche Penske Motorsport capped off a dominant 2025 IMSA season by securing every championship title in the premier GTP class at the dramatic season finale at Road Atlanta. Since the inception of LMDh regulations in 2023, the Porsche 963 has consistently outperformed its rivals, amassing an impressive record of 11 victories, 12 titles, and 9,441 championship points.

Endurance Racing Prowess

The 2025 campaign particularly highlighted Porsche's strength in endurance racing. The team successfully defended its IMSA Michelin Endurance Cup title for the second year running, triumphing in the grueling races at Daytona, Sebring, Watkins Glen, Indianapolis, and Road Atlanta. This consistent performance across diverse circuits is a testament to the team's meticulous preparation and execution.

Championship Milestones

Roger Penske, Founder and Chairman of Penske Corporation, expressed immense pride in the team's achievements. "Winning the 24 Hours of Daytona two times in a row along with the other key races and back-to-back IMSA championships wouldn’t have happened without the hard work and long hours by the men and women on our team," he stated. This sentiment was echoed by Thomas Laudenbach, Vice President Porsche Motorsport, who praised the team's spirit and ability to maximize every situation.

Race Highlights

The season kicked off with a bang at the 24 Hours of Daytona, where Porsche secured its 20th overall victory in the prestigious endurance race. Further wins followed at Sebring and Long Beach, with the team achieving multiple 1-2 finishes. Despite challenges at Watkins Glen and Road America, Porsche Penske Motorsport demonstrated remarkable consistency, extending a streak of 17 consecutive IMSA podium finishes dating back to August 2023.

The season culminated at "Petit Le Mans" on Road Atlanta, where Porsche Penske Motorsport clinched all remaining GTP titles. This included the manufacturers' championship, the team championship for Porsche Penske Motorsport, and the drivers' title for Mathieu Jaminet and Nick Tandy. The No. 7 car's drivers, Felipe Nasr and Laurens Vanthoor, also secured the driver and team championships for the IMSA Michelin Endurance Cup, with Porsche taking the manufacturers' crown.

2025 IMSA Series Statistics:

• Races: 9

• Victories: 4

• Additional Podiums: 6

• Pole Positions: 0

• Fastest Laps: 5

• Laps Led: 1,019