| 04 | Oreca 07 Gibson | CROWDSTRIKE RACING BY APR | orange/grey | CROWDSTRIKE | Michelin | closed | mid |
| 1 | BMW M4 GT3 Evo | Paul Miller Racing | grey/red/white/blue | iHeart RADIO/UIS/Paul Miller Auto Group | Michelin | closed | front |
| 2 | Oreca 07 Gibson | United Autosports | carbon | | Michelin | closed | mid |
| 6 | Porsche 963 | Porsche Penske Motorsport | red/white (+black) | PORSCHE 963/PENSKE/Ansys/TAG HEUER/HELLER | Michelin | closed | mid |
| 7 | Porsche 963 | Porsche Penske Motorsport | red/white/black | PORSCHE 963/PENSKE/Ansys/TAG HEUER/HELLER | Michelin | closed | mid |
| 8 | Oreca 07 Gibson | Tower Motorsports | carbon | TOWER EVENTS | Michelin | closed | mid |
| 10 | Cadillac V-Series.R | Cadillac Wayne Taylor Racing V-Series.R | carbon (+red/yellow/blue) | CADILLAC | Michelin | closed | mid |
| 11 | Oreca 07 Gibson | TDS Racing | yellow/black (+white) | FEAR THE TAF/HBI | Michelin | closed | mid |
| 14 | Lexus RC F GT3 | Vasser Sullivan | black/yellow | SealMaster/Mark Levinson/molex/Mobil 1 | Michelin | closed | front |
| 19 | Aston Martin Vantage GT3 Evo | van der Steur Racing | carbon | | Michelin | closed | front |
| 22 | Oreca 07 Gibson | United Autosports | blue/red/white | CSCI/Wing/Terra Energy/Baccharis | Michelin | closed | mid |
| 23 | Aston Martin Valkyrie AMR LMH | Aston Martin THOR Team | white/green/black (+blue) | THE HEART OF RACING | Michelin | closed | mid |
| 24 | BMW M Hybrid V8 | BMW M Team RLL | white/blue/red | BMW of North America/Puma | Michelin | closed | mid |
| 25 | BMW M Hybrid V8 | BMW M Team RLL | white/blue/red | BMW of North America/Puma | Michelin | closed | mid |
| 31 | Cadillac V-Series.R | Cadillac Whelen | carbon (+red/yellow/blue) | WHELEN/CADILLAC | Michelin | closed | mid |
| 34 | Ferrari 296 GT3 | Conquest Racing | white/red (+black) | CORSA HORIZON | Michelin | closed | mid |
| 36 | Chevrolet Corvette C8 Z06 GT3.R | DXDT Racing | blue/green (+black) | Mobil 1 | Michelin | closed | mid |
| 40 | Cadillac V-Series.R | Cadillac Wayne Taylor Racing V-Series.R | carbon (+red/yellow/blue) | CADILLAC | Michelin | closed | mid |
| 44 | Aston Martin Vantage GT3 Evo | Magnus Racing | blue (+white/orange) | | Michelin | closed | front |
| 60 | Acura ARX-06 | Acura Meyer Shank Racing w/Curb Agajanian | carbon/blue | ACURA Type S/HRC | Michelin | closed | mid |
| 63 | Lamborghini SC63 | Lamborghini Iron Lynx | green/black | CSR2/ROGER DUBUIS/Fastron | Michelin | closed | mid |
| 64 | Ford Mustang GT3 | Ford Multimatic Motorsports | blue/white/red | FORD PERFORMANCE/Multimatic | Michelin | closed | front |
| 65 | Ford Mustang GT3 | Ford Multimatic Motorsports | blue/white/red | FORD PERFORMANCE/Multimatic | Michelin | closed | front |
| 70 | Ferrari 296 GT3 | Inception Racing | carbon | | Michelin | closed | mid |
| 74 | Oreca 07 Gibson | Riley | blue/orange | 74 RANCH RESORT/VYPER | Michelin | closed | mid |
| 77 | Porsche 992 GT3 R | AO Racing | green (+gold) | Hot Wheels/Multimatic | Michelin | closed | rear |
| 83 | Porsche 992 GT3 R | Iron Dames | carbon | PRISMA/CARRARO/ItalianGesture | Michelin | closed | rear |
| 85 | Porsche 963 | JDC Miller MotorSports | yellow (+black) | JDC/PORSCHE/TROFI PACK/S3s/wiha | Michelin | closed | mid |
| 93 | Acura ARX-06 | Acura Meyer Shank Racing w/Curb Agajanian | carbon/red | ACURA Type S/HRC | Michelin | closed | mid |
| 99 | Oreca 07 Gibson | AO Racing | purple/orange | | Michelin | closed | mid |
| 120 | Porsche 992 GT3 R | Wright Motorsports | green/yellow | Griiip/APS | Michelin | closed | rear |