GTP: 20 Cars

• BMW M Hybrid V8: 3 Cars
• Cadillac V-Series.R GTP: 1 Car
• Acura ARX-06 GTP: 9 Cars
• Porsche 963 GTP: 1 Car
• Ferrari 499P: 6 Cars

Dallara P217: 8 Cars

IMSA23: 35 Cars

• Lamborghini Huracán GT3 EVO: 1 Car
• Mercedes-AMG GT3 2020: 3 Cars
• Porsche 911 GT3 R (992): 9 Cars
• Ferrari 296 GT3: 5 Cars
• Audi R8 LMS EVO II GT3: 2 Cars
• Chevrolet Corvette Z06 GT3.R: 6 Cars
• Ford Mustang GT3: 2 Cars
• McLaren 720S GT3 EVO: 4 Cars
• Acura NSX GT3 EVO 22: 3 Cars