| 007 | Gunn / Riberas / de Angelis / Sørensen | Heart of Racing Team (USA) | | Aston Martin | Vantage AMR | GT3 Evo | Aston Martin | GTD Pro |
| 021 | Monk / McAleer / Skeen / Calado | Triarsi Competizione (USA) | | Ferrari | 296 | GT3 | Ferrari | GTD |
| 023 | Triarsi / Scardina / Rovera / Cheever | Triarsi Competizione (USA) | | Ferrari | 296 | GT3 | Ferrari | GTD |
| 04 | Kurtz / Jakobsen / Sowery / Herta | Crowdstrike Racing by APR (P) | | Oreca | 07 | | Gibson | LMP2 |
| 1 | Snow / Verhagen / De Phillippi / van der Linde | Paul Miller Racing (USA) | | BMW | M4 | G82 GT3 Evo | BMW | GTD Pro |
| 2 | Boulle / Patterson / Hanley / Jarvis | United Autosports USA (USA) | | Oreca | 07 | | Gibson | LMP2 |
| 3 | Garcia / Sims / Juncadella | Corvette Racing by Pratt Miller Motorsports (USA) | | Chevrolet | Corvette C8 | Z06 GT3.R | Chevrolet | GTD Pro |
| 4 | Milner / Catsburg / Varrone | Corvette Racing by Pratt Miller Motorsports (USA) | | Chevrolet | Corvette C8 | Z06 GT3.R | Chevrolet | GTD Pro |
| 5 | Jani / Vautier / Pino / Andlauer | Proton Competition (D) | Christian Ried | Porsche | 963 | | Porsche | GTP |
| 6 | Jaminet / Campbell / Estre | Porsche Penske Motorsport (D) | | Porsche | 963 | | Porsche | GTP |
| 7 | Nasr / Tandy / Vanthoor | Porsche Penske Motorsport (D) | | Porsche | 963 | | Porsche | GTP |
| 8 | Farano / Alvarez / Bourdais / van Uitert | Tower Motorsports (USA) | | Oreca | 07 | | Gibson | LMP2 |
| 9 | Caldarelli / Pepper / Mapelli / Hinchcliffe | Pfaff Motorsports (CDN) | | Lamborghini | Huracán | GT3 Evo2 | Lamborghini | GTD Pro |
| 10 | Taylor / Albuquerque / Stevens / Hartley | Cadillac Wayne Taylor Racing (USA) | Wayne Taylor | Cadillac | V-Series.R | | Cadillac | GTP |
| 11 | Thomas / Jensen / McElrea / Milesi | TDS Racing (F) | | Oreca | 07 | | Gibson | LMP2 |
| 12 | Hawksworth / Thompson / Montecalvo / Kirkwood | Vasser Sullivan Racing (USA) | | Lexus | RC F | GT3 | Lexus | GTD |
| 13 | Fidani / Bell / Kern / Kirchhöfer | AWA (CDN) | Andrew Wojteczko | Chevrolet | Corvette C8 | Z06 GT3.R | Chevrolet | GTD |
| 14 | Barnicoat / Telitz / Kirkwood / Bell | Vasser Sullivan Racing (USA) | | Lexus | RC F | GT3 | Lexus | GTD Pro |
| 18 | Lütke / Chatin / Heinemeier Hansson / Dalziel | Era Motorsport (USA) | | Oreca | 07 | | Gibson | LMP2 |
| 19 | Robin / van der Steur / Hasse-Clot / McIntosh | van der Steur Racing (USA) | | Aston Martin | Vantage AMR | GT3 Evo | Aston Martin | GTD |
| 20 | Schiavoni / Cressoni / Preining / Lietz | Proton Competition (D) | | Porsche | 992 GT3 R | I | Porsche | GTD Pro |
| 21 | Mann / Wadoux / Pier Guidi / Cozzolino | AF Corse (I) | Amato Ferrari | Ferrari | 296 | GT3 | Ferrari | GTD |
| 22 | Goldburg / di Resta / Allen / Lindh | United Autosports USA (USA) | | Oreca | 07 | | Gibson | LMP2 |
| 24 | Eng / Vanthoor / Magnussen / Marciello | BMW M Team RLL (USA) | | BMW | M Hybrid V8 | | BMW | GTP |
| 25 | Wittmann / van der Linde / Frijns / Rast | BMW M Team RLL (USA) | | BMW | M Hybrid V8 | | BMW | GTP |
| 27 | Gamble / Stevenson / Robichon / Drudi | Heart of Racing Team (USA) | | Aston Martin | Vantage AMR | GT3 Evo | Aston Martin | GTD |
| 31 | Aitken / Bamber / Vesti / Drugovich | Cadillac Whelen (USA) | Bob Johnson | Cadillac | V-Series.R | | Cadillac | GTP |
| 32 | Lucas / Götz / Morad / Koch | Korthoff Competition Motors (USA) | | Mercedes-AMG | GT3 | | Mercedes-AMG | GTD |
| 34 | Franco / Serra / Sbirrazzuoli / Altoè | Conquest Racing (USA) | | Ferrari | 296 | GT3 | Ferrari | GTD |
| 36 | Yoluc / Udell / Eastwood / Derani | DXDT Racing (USA) | | Chevrolet | Corvette C8 | Z06 GT3.R | Chevrolet | GTD |
| 40 | Taylor / Deletraz / Kobayashi | Cadillac Wayne Taylor Racing (USA) | Wayne Taylor | Cadillac | V-Series.R | | Cadillac | GTP |
| 43 | Dillmann / Field / Felix da Costa / Garg | Inter Europol Competition (PL) | | Oreca | 07 | | Gibson | LMP2 |
| 44 | Potter / Lally / Pumpelly / Thiim | Magnus Racing (USA) | | Aston Martin | Vantage AMR | GT3 Evo | Aston Martin | GTD |
| 45 | Formal / Hindman / Doyle / Marcelli | Wayne Taylor Racing (USA) | | Lamborghini | Huracán | GT3 Evo2 | Lamborghini | GTD |
| 47 | Lacorte / Lacorte / Patrese / Fuoco | Cetilar Racing (I) | | Ferrari | 296 | GT3 | Ferrari | GTD |
| 48 | Harper / Hesse / Krohn / Farfus | Paul Miller Racing (USA) | | BMW | M4 | G82 GT3 Evo | BMW | GTD Pro |
| 50 | Toledo / Agostini / Leclerc / Laursen | AF Corse (I) | Amato Ferrari | Ferrari | 296 | GT3 | Ferrari | GTD |
| 52 | Sales / Keating / Pedersen / Beche | PR1 Mathiasen Motorsports (USA) | | Oreca | 07 | | Gibson | LMP2 |
| 57 | Ward / Ellis / Dontje / Auer | Winward Racing (USA) | | Mercedes-AMG | GT3 | | Mercedes-AMG | GTD |
| 60 | Blomqvist / Braun / Dixon / Rosenqvist | Acura Meyer Shank Racing w/Curb Agajanian (USA) | | Acura | ARX-06 | | Acura | GTP |
| 63 | Bortolotti / Grosjean / Kvyat / Mortara | Automobili Lamborghini Squadra Corse (I) | | Lamborghini | SC63 | | Lamborghini | GTP |
| 64 | Rockenfeller / Priaulx / Cindric | Ford Multimatic Motorsports (CDN) | | Ford | Mustang GT3 | Gen 7 | Ford | GTD Pro |
| 65 | Mies / Vervisch / Olsen | Ford Multimatic Motorsports (CDN) | | Ford | Mustang GT3 | Gen 7 | Ford | GTD Pro |
| 66 | Hand / Bechtolsheimer / Calderón / Tincknell | Gradient Racing (USA) | | Ford | Mustang GT3 | Gen 7 | Ford | GTD |
| 69 | Bartone / Martin / Schiller / Stolz | GetSpeed (D) | | Mercedes-AMG | GT3 | | Mercedes-AMG | GTD Pro |
| 70 | Iribe / Schandorff / Millroy / Fumanelli | Inception Racing (GB) | | Ferrari | 296 | GT3 | Ferrari | GTD |
| 73 | Fittipaldi / Roe / Ilott / Cumming | Pratt Miller Motorsports (USA) | | Oreca | 07 | | Gibson | LMP2 |
| 74 | Robinson / Fraga / Burdon / Massa | Riley (USA) | | Oreca | 07 | | Gibson | LMP2 |
| 75 | Grenier / Gounon / Engel / Habul | 75 Express (AUS) | Kenny Habul | Mercedes-AMG | GT3 | Evo | Mercedes-AMG | GTD Pro |
| 75T | | 75 Express (AUS) | Kenny Habul | Mercedes-AMG | GT3 | Evo | Mercedes-AMG | GTD Pro |
| 77 | Heinrich / Bachler / Picariello | AO Racing (USA) | Gunnar Jeannette | Porsche | 992 GT3 R | I | Porsche | GTD Pro |
| 78 | Goikhberg / Farnbacher / Perera / Kligerman | Forte Racing (USA) | | Lamborghini | Huracán | GT3 Evo2 | Lamborghini | GTD |
| 80 | Aron / Knox / Andrews / Filgueiras | Lone Star Racing (USA) | | Mercedes-AMG | GT3 | | Mercedes-AMG | GTD |
| 81 | Costa / Rigon / Molina / Neubauer | DragonSpeed (USA) | | Ferrari | 296 | GT3 | Ferrari | GTD Pro |
| 83 | Bovy / Frey / Gaillard / Gatting | Iron Dames (I) | | Porsche | 992 GT3 R | I | Porsche | GTD |
| 85 | van der Helm / Bruni / Wehrlein / Aron | JDC Miller MotorSports (USA) | | Porsche | 963 | | Porsche | GTP |
| 88 | Pérez Companc / Murry / Nielsen / Vaxiviere | AF Corse (I) | | Oreca | 07 | | Gibson | LMP2 |
| 91 | Keating / Zilisch / McLaughlin / Van Gisbergen | Trackhouse by TF Sport (GB) | | Chevrolet | Corvette C8 | Z06 GT3.R | Chevrolet | GTD Pro |
| 93 | van der Zande / Yelloly / Palou / Ohta | Acura Meyer Shank Racing w/Curb Agajanian (USA) | | Acura | ARX-06 | | Acura | GTP |
| 96 | Foley / Gallagher / Walker / Klingmann | Turner Motorsport (USA) | | BMW | M4 | G82 GT3 Evo | BMW | GTD |
| 99 | Hyett / Cameron / Edgar / Rasmussen | AO Racing (USA) | | Oreca | 07 | | Gibson | LMP2 |
| 120 | Adelson / Skeer / Sargent / Güven | Wright Motorsports (USA) | | Porsche | 992 GT3 R | I | Porsche | GTD |