GTD Class Lineup
1. Vasser Sullivan No. 12 (Frankie Montecalvo, Aaron Telitz, Parker Thompson, Ritomo Miyata)
2. MDK Motorsports No. 86 (Li Kerong, Anders Fjordbach, Klaus Bachler, Larry ten Voorde)
3. Gradient Racing No. 66 (Sheena Monk, Katherine Legge, Tatiana Calderon, Stevan McAleer)Â
4. Wayne Taylor Racing with Andretti No. 45 (Kyle Marcelli, Danny Formal, Graham Doyle, Ashton Harrison)
5. Forte Racing No. 78 (Misha Goikhberg, Loris Spinelli, Devlin DeFrancesco, Sandy Mitchell)
6. Conquest Racing No. 34 (Alessandro Balzan, Cedric Sbirrazzuoli, Manny Franco, Albert Costa)
7. Cetilar Racing No. 47 (Giorgio Sernagiotto, Roberto Lacorte, Eddie Cheever III, Antonio Fuoco)
8. Triarsi Competizione No. 023 (Onofrio Triarsi, Charlie Scardina, Alessio Rovera, Riccardo Agostini)
9. AWA No. 17 (Anthony Mantella, Nicolas Varrone, Thomas Merrill, Charlie Eastwood)
10. Inception Racing No. 70 (Brendan Iribe, Frederik Schandorff, Ollie Millroy, Tom Gamble)
11. Af Corse No. 21 (Simon Mann, Francois Heriau, Kei Cozzolino, Miguel Molina)
12. Andretti Motorsports No. 43 (Jarrett Andretti, Gabby Chaves, Scott Hargrove, Thomas Preining)
13. Iron Dames No. 83 (Rahel Frey, Sarah Bovy, Michelle Gatting, Doriane Pin)
14. AWA No. 13 (Orey Fidani, Matt Bell, Lars Kern, Alex Lynn)
15. Proton Competition No. 55 (Ryan Hardwick, Corey Lewis, Dennis Olsen, Giammarco Levorato)
16. Turner Motorsport No. 96 (Robby Foley, Patrick Gallagher, Jake Walker, Jens Klingmann)
17. Winward Racing No. 57 (Russell Ward, Daniel Morad, Phillip Elis, Indy Dontje)
18. Korthoff/Preston Motorsports No. 32 (Mike Skeen, Mikael Grenier, Maxi Gotz, Kenton Koch)
19. Wright Motorsports No. 120 (Adam Adelson, Elliott Skeer, Fred Makowiecki, Jan Heylen)
20. Lone Star Racing No. 80 (Salih Yoluc, Rui Andrade, Scott Andrews, Adam Christodoulou)
21. Magnus Racing No. 44 (Andy Lally, John Potter, Spencer Pumpelly, Nicki Thiim)
22. Heart of Racing Team No. 27 (Zach Robichon, Roman de Angelis, Marco Sorensen, Ian James)
23. Kellymoss with Riley No. 92 (David Brule, Alex Udell, Trent Hindman, Julien Andlauer)