| 01 | Cadillac V-Series.R | Cadillac Racing | yellow/black | Cadillac | Michelin | closed | mid |
| 02 | Cadillac V-Series.R | Cadillac Racing | blue/black | CADILLAC | Michelin | closed | mid |
| 023 | Ferrari 296 GT3 | Triarsi Competizione | red/black | Ferrari of Central Florida/Ferrari of Tampa Bay/DavidSW | Michelin | closed | mid |
| 04 | Oreca 07 Gibson | Crowdstrike Racing by APR | red/grey | Crowdstrike/Accel | Michelin | closed | mid |
| 1 | BMW M4 GT3 | Paul Miller Racing | white/black/red | TOTAL/UIS/Paul Miller Auto Group/Quartz | Michelin | closed | front |
| 3 | Chevrolet Corvette C8.R GTD | Corvette Racing | yellow/grey | Mobil 1/Sirius XM | Michelin | closed | mid |
| 6 | Porsche 963 | Porsche Penske Motorsports | red/white (+black) | PORSCHE 963/PENSKE/Ansys/TAG HEUER | Michelin | closed | mid |
| 7 | Porsche 963 | Porsche Penske Motorsports | red/white/black | PORSCHE 963/PENSKE/Ansys/TAG HEUER | Michelin | closed | mid |
| 8 | Oreca 07 Gibson | Tower Motorsports | orange/black/white | Tower Events | Michelin | closed | mid |
| 9 | Porsche 992 GT3 R | Pfaff Motorsports | red/black | Driveway/Motul/Motomaster/Simoniz/Pfaff Porsche | Michelin | closed | rear |
| 10 | Acura ARX-06 | Konica Minolta Acura ARX-06 | blue/black | Konica Minolta | Michelin | closed | mid |
| 11 | Oreca 07 Gibson | TDS Racing | yellow/red/black | Fear the TAF | Michelin | closed | mid |
| 12 | Lexus RC F GT3 | VasserSullivan | black/green | Sealmaster/Mark Levinson | Michelin | closed | front |
| 13 | Duqueine D08 Nissan | AWA | yellow/black | Orlando Corp./OMP/Racing Spirit/Motul/Sonic Tools/Urbinco/Westrock Diamonds | Michelin | closed | mid |
| 14 | Lexus RC F GT3 | Vasser Sullivan | black/green | Sealmaster/Mark Levinson | Michelin | closed | front |
| 16 | Porsche 992 GT3 R | Wright Motorsports | blue/grey | 1st Phorm | Michelin | closed | rear |
| 17 | Duqueine D08 Nissan | AWA | green/black | Agritainer/OMP/Racing Spirit/Motul/Sonic Tools | Michelin | closed | mid |
| 18 | Oreca 07 Gibson | Era Motorsport | blue/yellow/black | Motul/Sparco/Control IO | Michelin | closed | mid |
| 19 | Lamborghini Huracán GT3 Evo2 | Iron Lynx | yellow/black | Race to Inspire | Michelin | closed | mid |
| 20 | Oreca 07 Gibson | High Class Racing | white/red/black | Polar Seafood/Mascot Workwear/HRX | Michelin | closed | mid |
| 21 | Ferrari 296 GT3 | AF Corse | red/green/white | Lumaike/Boardwalk Ferrari/Rotiform | Michelin | closed | mid |
| 23 | Aston Martin Vantage GT3 | Heart of Racing Team | blue/yellow | The Heart of Racing | Michelin | closed | front |
| 24 | BMW M Hybrid V8 | BMW M Team RLL | white/blue/red | BMW of North America/IQOO/Global Medical Response | Michelin | closed | mid |
| 25 | BMW M Hybrid V8 | BMW M Team RLL | white/blue/red | BMW of North America/IQOO/Global Medical Response | Michelin | closed | mid |
| 27 | Aston Martin Vantage GT3 | Heart of Racing Team | blue/yellow | Heart of Racing | Michelin | closed | front |
| 31 | Cadillac V-Series.R | Whelen Engineering Racing Cadillac V-LMDh | red/black | Whelen Engineering | Michelin | closed | mid |
| 32 | Mercedes-AMG GT3 | Team Korthoff Motorsports | silver/black/blue | | Michelin | closed | front |
| 33 | Ligier JS P320 Nissan | Sean Creech Motorsport | white/blue/red | Exelixis/Focal One/Jerich International | Michelin | closed | mid |
| 35 | Oreca 07 Gibson | TDS Racing | yellow/red/black | Carlac Minerals | Michelin | closed | mid |
| 36 | Ligier JS P320 Nissan | Andretti Autosport | white/grey/green | Gallant/MI/Window World | Michelin | closed | mid |
| 38 | Ligier JS P320 Nissan | Performance Tech Motorsports | black/red/silver | DeAngelis Diamond/Cannonball Storage/Cardio Access/AIG Technologies | Michelin | closed | mid |
| 42 | Lamborghini Huracán GT3 Evo2 | NTE Sport | blue | Southwest Funding/Lamborghini Dallas/Corsa Werks/Gas Monkey | Michelin | closed | mid |
| 43 | Ligier JS P320 Nissan | MRS GT-Racing | white/black | Vogel group/P1 Groupe/Deutsche Payment/NN | Michelin | closed | mid |
| 44 | Aston Martin Vantage GT3 | Magnus Racing | blue/grey | Flex-Box | Michelin | closed | front |
| 47 | Ferrari 296 GT3 | Cetilar Racing | blue/green | Cetilar | Michelin | closed | mid |
| 51 | Oreca 07 Gibson | Rick Ware Racing | white/green/blue | Biohaven/Pronto/Rembrandt Charms | Michelin | closed | mid |
| 52 | Oreca 07 Gibson | PR1 Mathiasen Motorsports | purple/pink/orange | Wynns/Max Connect/rainX | Michelin | closed | mid |
| 53 | Porsche 992 GT3 R | MDK Motorsports | black/red | MDK Motorsports/Drive Capital/Avery's Trail | Michelin | closed | rear |
| 55 | Oreca 07 Gibson | Proton Competition | black/blue | Hopkins Investments | Michelin | closed | mid |
| 57 | Mercedes-AMG GT3 | Winward Racing | black/blue | Techemet/First Horizon | Michelin | closed | front |
| 60 | Acura ARX-06 | Meyer Shank Racing w/ Curb Agajanian | white/pink/black/blue | Autonation/Sirius XM | Michelin | closed | mid |
| 62 | Ferrari 296 GT3 | Risi Competizione | red | Pennzoil | Michelin | closed | mid |
| 63 | Lamborghini Huracán GT3 Evo2 | Iron Lynx | green/black | Roger Dubuis | Michelin | closed | mid |
| 64 | Aston Martin Vantage GT3 | TGM/TF Sport | white/blue/orange | JKTG Foundation | Michelin | closed | front |
| 66 | Acura NSX GT3 | Gradient Racing | white/green | JG Wentworth 877CASHNOW.com/Acura/HPD | Michelin | closed | mid |
| 70 | McLaren 720S GT3 | Inception Racing | black/red | Pedal Mafia/Avorak | Michelin | closed | mid |
| 74 | Ligier JS P320 Nissan | Riley | orange/blue | 74 Ranch Resort | Michelin | closed | mid |
| 75 | Mercedes-AMG GT3 | Sun Energy 1 | blue/orange | Sun Energy 1 | Michelin | closed | front |
| 77 | Porsche 992 GT3 R | Wright Motorsports | yellow/black | Volt Lighting/Matter | Michelin | closed | rear |
| 78 | Lamborghini Huracán GT3 Evo2 | US RaceTronics | black/green | ARROW/GoBolt/O'Gara/Change Racing/Luvv | Michelin | closed | mid |
| 79 | Mercedes-AMG GT3 | WeatherTech Racing | white/blue/red | WeatherTech | Michelin | closed | front |
| 80 | Porsche 992 GT3 R | AO Racing | white/orange/blue | T-Bird/Andial | Michelin | closed | rear |
| 83 | Lamborghini Huracán GT3 Evo2 | Iron Dames | pink/black | Race to Inspire | Michelin | closed | mid |
| 85 | Duqueine D08 Nissan | JDC Miller MotorSports | yellow/blue | Race for RP | Michelin | closed | mid |
| 87 | Duqueine D08 Nissan | FastMD Racing | black/red | FastMD/deBoulle/AnyDesk/Remstar | Michelin | closed | mid |
| 88 | Oreca 07 Gibson | AF Corse | silver/black/red | Richard Mille | Michelin | closed | mid |
| 91 | Porsche 992 GT3 R | Kellymoss with Riley | grey/yellow | Pagid Racing | Michelin | closed | rear |
| 92 | Porsche 992 GT3 R | Kellymoss with Riley | pink/white/orange/purple | Thu Brule' Skincare | Michelin | closed | rear |
| 93 | Acura NSX GT3 | Racers Edge Motorsports with WTR | red/grey | Harrison Contracting Company/HPD/PPG Paints/HPD Academy/OMP | Michelin | closed | mid |
| 95 | BMW M4 GT3 | Turner Motorsport | blue/black | McIntosh/MAC'S/Cazo de Oro/4505 Chicharrones | Michelin | closed | front |
| 96 | BMW M4 GT3 | Turner Motorsport | white/red/blue | Liqui Moly/H&R | Michelin | closed | front |