| Team | Car | Engine |  | Drivers | Class | Rounds | 
|---|
    Automatic Racing AMR  [3]  |  Aston Martin Vantage AMR GT4  [3]  |  Aston Martin 4.0 L Turbo V8  | 09 |     Ramin Abdolvahabi [3]  | B | 1–5, 8, 10 | 
    Rob Ecklin Jr. [3]  | 1–5, 8 | 
    Casey Carden [4]  | 10 | 
| 27 |     Jon Branam [3]  | B | 1–2 | 
    Paul Kiebler [3]  | 1–2 | 
    TGR Infinity Autosport [5]  |  Toyota GR Supra GT4  [5]  |  BMW B58B30 3.0 L Twin-Turbo I6  | 3 |     Sheena Monk  [5]  |  | 1–2 | 
    Kyle Marcelli  [5]  | 1–2 | 
    TGR Forbush Performance [6]  |  Toyota GR Supra GT4  [6]  |  BMW B58B30 3.0 L Twin-Turbo I6  | 6 |     Tom Long  [7]  |  | 1–5 | 
    Luke Rumburg [6]  | 1–2 | 
    Mark Kvamme  [8]  | 3–4 | 
    Nick Galante [7]  | 1 | 
    Brandon Kidd [9]  | 5 | 
    Volt Racing [7]  |  Aston Martin Vantage AMR GT4  [7]  |  Aston Martin 4.0 L Turbo V8  | 7 |     Alan Brynjolfsson [7]  |  | All | 
    Trent Hindman  [7]  | All | 
    McCann Racing [7]  |  Porsche 718 Cayman GT4 RS Clubsport  [7]  |  Porsche 4.0 L Flat-6  | 8 |     Andrew Davis [7]  |  | All | 
    Michael McCann [7]  | All | 
    Team Hardpoint [10]  |  Porsche 718 Cayman GT4 RS Clubsport  [10]  |  Porsche 4.0 L Flat-6  | 9 |     Derek DeBoer [11]  | B | 8 | 
    Sean Gibbons [11]  | 8 | 
    Sam Owen [11]  | 8 | 
| 22 |     Nick Galante [10]  |  | 2–10 | 
    Sean McAlister [10]  | 2–10 | 
    John Capestro-Dubets [11]  | 8 | 
    Capstone Motorsports [7]  |  Mercedes-AMG GT4  [7]  |  Mercedes-AMG M178 4.0 L V8  | 11 |     Gary Ferrara [7]  | B | All | 
    Kris Wilson [7]  | All | 
    NTE / MC2 Autosport [12]  [a]  |  Aston Martin Vantage AMR GT4  [12]  |  Aston Martin 4.0 L Turbo V8  | 12 |     Josh Hurley [12]  |  | 1–5 | 
    Manuel Franco [12]  | 1–4 | 
    Thomas Merrill  [13]  | 1 | 
    Patrick Gallagher  [14]  | 5 | 
    TGR Riley Motorsports  [7]  |  Toyota GR Supra GT4  [7]  |  BMW B58B30 3.0 L Twin-Turbo I6  | 14 |     Alfredo Najri [7]  |  | 1–5, 7–10 | 
    Thiago Camilo  [7]  | 1, 3, 5, 7–8, 10 | 
    Andy Jakos [15]  | 2, 4 | 
    Julián Santero  [7]  | 1 | 
    Damian Fineschi [16]  | 6, 9 | 
    Aaron Telitz  [16]  | 6 | 
    Javier Quiros [17]  | 8 | 
| 21 |     Scott Andrews [7]  |  | 1–5 | 
    Anton Dias Perera [7]  | 1–5 | 
    Colin Braun  [7]  | 1 | 
    Riley Motorsports  [17]  |  Mercedes-AMG GT4  [17]  |  Mercedes-AMG M178 4.0 L V8  |     Scott Andrews [17]  | 8–10 | 
    Anton Dias Perera [17]  | 8–10 | 
    Colin Braun  [17]  | 8 | 
    Ian Lacy Racing [7]  |  Ford Mustang GT4  [7]  |  Ford 5.2 L Voodoo V8  | 24 |     Frank Gannett [7]  |  | 1 | 
    Drew Staveley [7]  | 1 | 
    RS1 [7]  |  Porsche 718 Cayman GT4 RS Clubsport  [7]  |  Porsche 4.0 L Flat-6  | 28 |     Stevan McAleer  [7]  |  | 1–5, 7 | 
    Alexandre Prémat  [15]  | 2–4 | 
    Eric Filgueiras [7]  | 1, 5 | 
    John Capestro-Dubets [18]  | 7 | 
    GMG Racing  [7]  |  Porsche 718 Cayman GT4 RS Clubsport  [7]  |  Porsche 4.0 L Flat-6  | 32 |     James Sofronas  [7]  | B | 1, 3 | 
    Kyle Washington [7]  | 1, 3 | 
    FastMD Racing [15]  |  Audi R8 LMS GT4 Evo  [15]  |  Audi 5.2 L V10  | 38 |     Max Faulkner [15]  |  | 2 | 
    Farhan Siddiqi [15]  | 2 | 
    Accelerating Performance [4]  |  Aston Martin Vantage AMR GT4  [4]  |  Aston Martin 4.0 L Turbo V8  | 39 |     Justin Piscitell [4]  |  | 10 | 
    Moisey Uretsky [4]  [N 1]  | 10 | 
    PF Racing [19]  |  Ford Mustang GT4  [19]  |  Ford 5.2 L Voodoo V8  | 40 |     James Pesek [19]  |  | All | 
    Chad McCumbee  [19]  | 1–7 | 
    Joey Hand  [20]  | 8–10 | 
| 41 |     Harrison Burton  [19]  |  | 1 | 
    Austin Cindric  [19]  | 1 | 
| 42 |     Chase Briscoe  [19]  |  | 1 | 
    Hailie Deegan  [19]  | 1 | 
| 877 |     Kyle Marcelli  [21]  | 3–10 | 
    Sheena Monk  [21]  | 3–10 | 
    Stephen Cameron Racing [7]  |  BMW M4 GT4  [7]  |  BMW N55 3.0 L Twin-Turbo I6  | 43 |     Greg Liefooghe [7]  |  | All | 
    Sean Quinlan [7]  | All | 
    Team TGM [22]  |  Porsche 718 Cayman GT4 RS Clubsport  [22]  |  Porsche 4.0 L Flat-6  | 46 |     Hugh Plumb [23]  |  | All | 
    Matt Plumb  [23]  | All | 
| 64 |     Ted Giovanis [23]  |  | All | 
    Owen Trinkler [23]  | All | 
    NOLASPORT [7]  |  Porsche 718 Cayman GT4 RS Clubsport  [7]  |  Porsche 4.0 L Flat-6  | 47 |     Jason Hart [7]  |  | 1–3, 5, 7–10 | 
    Matt Travis [7]  | 1–3, 5, 7–10 | 
    FCP Euro by Ricca Autosport [24]  |  Mercedes-AMG GT4  [24]  |  Mercedes-AMG M178 4.0 L V8  | 55 |     Trevor Andrusko [24]  |  | 2, 5, 7–8, 10 | 
    Mike Skeen  [24]  | 2, 5, 7–8, 10 | 
    Murillo Racing [7]  |  Mercedes-AMG GT4  [7]  |  Mercedes-AMG M178 4.0 L V8  | 56 |     Eric Foss [7]  |  | All | 
    Jeff Mosing [7]  | 1–2, 9–10 | 
    Kenton Koch  [8]  | 3–5, 7–8 | 
    Marc Miller [16]  | 6 | 
| 65 |     Brent Mosing [7]  | B | All | 
    Tim Probert [7]  | All | 
| 72 |     Kenny Murillo [7]  |  | All | 
    Christian Szymczak  [7]  | All | 
    KohR Motorsports [25]  |  Ford Mustang GT4  [25]  |  Ford 5.2 L Voodoo V8  | 59 |     Billy Johnson  [25]  |  | 1–5, 7–10 | 
    Bob Michaelian [25]  | 1–5, 7–8 | 
    Luca Mars  [26]  | 9–10 | 
| 60 |     Luca Mars  [25]  |  | 2–5, 7–8 | 
    Nate Stacy [25]  | 2–5, 7–8 | 
    Kelly-Moss Road and Race  [9]  |  Porsche 718 Cayman GT4 RS Clubsport  [9]  |  Porsche 4.0 L Flat-6  | 66 |     David Brule [9]  |  | 5, 8–10 | 
    Alec Udell  [9]  | 5, 8–10 | 
    TGR Smooge Racing [7]  |  Toyota GR Supra GT4  [7]  |  BMW B58B30 3.0 L Twin-Turbo I6  | 68 |     Kevin Conway  [7]  |  | 1 | 
    John Geesbreght [7]  | 1 | 
    Jack Hawksworth  [7]  | 1 | 
    Absolute Racing [27]  |  Porsche 718 Cayman GT4 RS Clubsport  [27]  |  Porsche 4.0 L Flat-6  | 69 |     Lars Kern  [27]  |  | 3 | 
    Anderson Tanoto  [27]  | 3 | 
    Rebel Rock Racing  [28]  |  Chevrolet Camaro GT4.R  [28]  |  Chevrolet LT1 6.2 L V8  | 71 |     Robin Liddell  [28]  |  | All | 
    Frank DePew [28]  | 2–10 | 
    Michael Cooper  [29]  | 1 | 
    BGB Motorsports [7]  |  Porsche 718 Cayman GT4 RS Clubsport  [7]  |  Porsche 4.0 L Flat-6  | 83 |     Thomas Collingwood [7]  |  | 1–6, 8–10 | 
    Spencer Pumpelly  [7]  | 1–6, 8–10 | 
    John Tecce [7]  | 1, 8 | 
    Random Vandals Racing [30]  |  BMW M4 GT4  [30]  |  BMW N55 3.0 L Twin-Turbo I6  | 92 |     Al Carter [30]  | B | 1 | 
    Paul Sparta [30]  | 1 | 
    CarBahn with Peregrine Racing [31]  |  Porsche 718 Cayman GT4 RS Clubsport  [31]  |  Porsche 4.0 L Flat-6  | 93 |     Tyler McQuarrie [31]  |  | All | 
    Sameer Gandhi [31]  | 2–3, 5 | 
    Mark Siegel [31]  | 1, 4, 6–9 | 
    Tom Dyer [31]  | 1, 8, 10 | 
    Turner Motorsport  [7]  |  BMW M4 GT4  [7]  |  BMW N55 3.0 L Twin-Turbo I6  | 95 |     Bill Auberlen  [7]  |  | All | 
    Dillon Machavern [7]  | All | 
| 96 |     Vin Barletta [7]  |  | All | 
    Robby Foley  [7]  | All | 
    Michael Dinan  [7]  | 1 | 
    Black Swan Racing  [7]  |  Porsche 718 Cayman GT4 RS Clubsport  [7]  |  Porsche 4.0 L Flat-6  | 540 |     Jeroen Bleekemolen  [7]  |  | 1–2 | 
    Tim Pappas  [7]  | 1–2 | 
    Sebastiaan Bleekemolen  [7]  | 1 | 
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