2023 Indianapolis Motor Speedway
Entry list
| Car # | Driver 1 | Driver 2 | Driver 3 | Team | Car | Class |
|---|---|---|---|---|---|---|
| 04 | George Kurtz | Colin Braun | Nolan Siegel | Crowdstrike by Riley | Mercedes-AMG GT3 | Pro-Am |
| 4 | Stephen Grove | Brenton Grove | Earl Bamber | Grove Racing | Porsche 911 GT3-R (991.ii) | Pro-Am |
| 007 | Derek DeBoer | Valentin Hasse-Clot | Ben Tuck | TRG - The Racers Group | Aston Martin Vantage AMR GT3 | Pro-Am |
| 08 | Scott Smithson | Thomas Sargent | Bryan Sellers | DXDT Racing | Mercedes-AMG GT3 | Pro-Am |
| 27 | Paul Kiebler | Jon Branam | Matt Bell | TR3 Racing | Mercedes-AMG GT3 | Pro-Am |
| 21 | Manny Franco | Alessandro Balzan | Lilou Wadoux-Ducellier | Conquest Racing | Ferrari 296 GT3 | FGTWCA PRO |
| 85 | Jake Pedersen | Vesko Kozarov | Christian Engelhart | Rearden Racing | Porsche GT3 R 992 | IGTC Pro |
| 20 | Antares Au | Laurin Heinrich | Alfred Renauer | Huber Motorsport | Porsche GT3 R 992 | Pro-Am |
| 28 | Eric Filgueiras | Stevan McAleer | Klaus Bachler | RS1 | Porsche GT3 R 992 | FGTWCA PRO |
| 30 | Philipp ENG | Dries VANTHOOR | Sheldon VAN DER LINDE | Team WRT | BMW M4 GT3 | IGTC Pro |
| 31 | Augusto FARFUS | Charles WEERTS | Maxime MARTIN | Team WRT | BMW M4 GT3 | IGTC Pro |
| 33 | Justin Wetherill | Onofrio Triarsi | Ryan Dalziel | Triarsi Competizione | Ferrari 296 GT3 | Pro-Am |
| 38 | Samantha Tan | Neil Verhagen | Jake Walker | ST Racing | BMW M4 GT3 | Pro-Am |
| 45 | Madison Snow | Jan Heylen | Trent Hindman | Wright Motorsports | Porsche GT3 R 992 | FGTWCA PRO |
| 53 | Seth Lucas | Trenton Estep | TBC | MDK Motorsports | Porsche GT3 R 992 | FGTWCA PRO |
| 77 | Maximilian Götz | Jules Gounon | Raffaele Marciello | Mercedes-AMG Team Craft-Bamboo Racing | Mercedes-AMG GT3 | IGTC Pro |
| 91 | Jeff Burton | Corey Lewis | Philip Ellis | DXDT Racing | Mercedes-AMG GT3 | Pro-Am |
| 93 | Ashton Harrison | Mario Farnbacher | Kyle Marcelli | Racers Edge Motorsports | Acura NSX GT3 | FGTWCA PRO |
| 94 | Chandler Hull | Bill Auberlen | Robby Foley | BimmerWorld | BMW M4 GT3 | FGTWCA PRO |
| 120 | Adam Adelson | Elliott Skeer | Callum Benjamin Ilott | Wright Motorsports | Porsche 911 GT3-R (991.ii) | Pro-Am |
| 535 | Jonathan Hui | Christopher Froggatt | Edward Cheever III | Sky Tempesta Racing | Ferrari 488 GT3 Evo | Pro-Am |
| 999 | Maro Engel | Daniel Juncadella | Luca Stolz | Mercedes-AMG Team Gruppe M Racing | Mercedes-AMG GT3 | IGTC Pro |