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 additional ...

From the unmistakable shrill howl of the four-rotor 1991 Mazda RX-7-001 GTO to the thundering Chevrolet V-8 growl of a 1985 ...

Shortly before the one-hour mark in the 63rd installment of the Rolex 24, Lamborghini's lone GTP entry of the ... racing one car in the WEC and one car in the IMSA endurance races.

IMSA President John Doonan said this weekend at Daytona International Speedway that 89 cars applied for entry into this ...

He hopes the next-generation IndyCar chassis and engine formula can stoke the same interest the hybrid GTP cars have delivered for IMSA. Meyer Shank heads up Acura's factory effort in IMSA in 2025.

It's also the only production-based car in IMSA GTP, the only car with a V-12 in either series, and the only car built by a major manufacturer without a hybrid system in either category.

The Rolex 24 win adds to Team Penske's recent string of successes, including the 2024 IMSA GTP title, back-to-back ...

The Hypercar field for the 2025 running of the Le Mans 24 Hours in June could receive a significant boost from IMSA's GTP field it seems, as multiple teams are making requests for spaces on the grid.

The Hypercar field for the 2025 running of the Le Mans 24 Hours in June could receive a significant boost from IMSA’s GTP field it seems, as multiple teams are making requests for spaces on the ...