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IMSA Classes
IMSA Battle on the Bricks

The Classes Battle on the Bricks


Grand Touring Prototype (GTP)

The newest and most technologically advanced Prototype race car takes to the track for the first time in 2023, featuring a common hybrid powertrain for all entries that takes kinetic energy gained in braking and stores it in batteries for later use when needed. Four global automotive manufacturers – Acura, BMW, Cadillac and Porsche – are entered in the class. Each manufacturer developed its own unique internal combustion engine and bodywork styling to take on this cutting-edge challenge.


Le Mans Prototype 2 (LMP2)

The Le Mans Prototype 2 (LMP2) is a closed-cockpit car developed by four approved constructors. In addition to the IMSA WeatherTech SportsCar Championship, LMP2 cars are eligible to compete in other global series such as the FIA World Endurance Championship, which includes the prestigious 24 Hours of Le Mans.


GT Daytona Pro (GTD PRO)

GTD PRO, which debuted in 2022, include race cars built to FIA GT3 technical regulations and offers the opportunity for factory teams and driver lineups to compete in the class. Manufacturers competing in this class in 2023 include Aston Martin, Chevrolet, Ferrari, Lamborghini, Lexus, Mercedes-AMG and Porsche.


GT Daytona (GTD)

The GT Daytona cars are enhanced (not defined by) technology and utilize the global FIA GT3 specification. The GTD class consists of cars from leading manufacturers such as Acura, Aston Martin, BMW, Ferrari, Lamborghini, Lexus, McLaren, Mercedes-AMG and Porsche.