GTP Class Lineup
1. Whelen Engineering Cadillac Racing No. 31 (Pipo Derani, Jack Aitken, Tom Blomqvist)
2. Cadillac Racing No. 01 (Renger van der Zande, Sebastien Bourdais, Scott Dixon, Alex Palou)
3. Porsche Penske Motorsport No. 7 (Dane Cameron, Felipe Nasr, Josef Newgarden, Matt Campbell)
4. BMW M Team RLL No. 25 (Connor de Philippi, Nick Yelloly, Maxime Martin, Rene Rast)
5. Wayne Taylor Racing with Andretti No. 40 (Jordan Taylor, Louis Deletraz, Colton Herta, Jenson Button)
6. Wayne Taylor Racing with Andretti No. 10 (Ricky Taylor, Filipe Albuquerque, Brendon Hartley, Marcus Ericsson)
7. Porsche Penske Motorsports No. 6 (Nick Tandy, Mathieu Jaminet, Kevin Estre, Laurens Vanthoor)
8. BMW M Team RLL No. 24 (Augusto Farfus, Jesse Krohn, Dries Vanthoor, Philipp Eng)
9. JDC-Miller MotorSports No. 85 (Tijmen van der Helm, Richard Westbrook, Phil Hanson, Ben Keating)
10. Proton Competition No. 5 (Gianmaria Bruni, Neel Jani, Romain Dumas, Alessio Picariello)
