| 00 | Callaway Corvette LM600 | Agusta Racing | black | ..CK INTIMIDATOR/DUNLOP | Dunlop | | closed | front |
| 01 | Porsche 911 GT2 Evo | Rohr Corp. | white (+yellow/blue) | ROHR/hasseröder | Pirelli | Red Line Oil | closed | rear |
| 02 | Spice SE90 Lexus | Screaming Eagles Racing | | | | | open | mid |
| 03 | Porsche 911 GT2 | Roock Racing | black | dectel | Pirelli | | closed | rear |
| 04 | Porsche 911 | Max Schmidt | black | ISRINGHAUSEN/TECHART | Pirelli | | closed | rear |
| 05 | Porsche 911 | Auto Sport South | green (+black) | COOL ROTORS/PORSCHE | Yokohama | | closed | rear |
| 07 | Mazda RX-7 | Pettit Racing | white | PETTIT RACING/mazda | Hoosier | Valvoline | closed | front |
| 09 | Pontiac Grand Prix | Rice Racing | blue/yellow | sun source/STACY SUSPENSION SYSTEMS | | | closed | front |
| 1 | Riley & Scott Mk III Oldsmobile | Doyle Racing/Riley & Scott | red/white/blue (+yellow) | DANKA/TOSHIBA | Pirelli | | open | mid |
| 2 | Riley & Scott Mk III Ford | Screaming Eagles Racing | blue/black (+gold) | YOKOHAMA | Yokohama | | open | mid |
| 3 | Ferrari 333 SP | Team Scandia | red | ACXIOM/ALTA | Goodyear | | open | mid |
| 4 | Riley & Scott Mk III Oldsmobile | Dibos Racing | red/white/blue (+yellow) | FAUCETT/ATFAB | Pirelli | Red Line Oil | open | mid |
| 5 | Porsche 911 | Doug Trott | red | Northstar/TOYO TIRES | Toyo | | closed | rear |
| 6 | BMW M3 | Prototype Technology Group | white/dark blue (+light blue/red) | Valvoline | Yokohama | Valvoline | closed | front |
| 7 | BMW M3 | Prototype Technology Group | white (+red/yellow) | Red Bull/FINA | Yokohama | Fina | closed | front |
| 8 | Hawk C-8 Chevrolet | Support Net Racing | white/blue (+purple) | SUPPORT NET | Yokohama | | open | mid |
| 9 | Courage C41 Chevrolet | Courage Competition | dark blue/silver | F.P.E.E. | Michelin | | open | mid |
| 10 | BMW M3 | Prototype Technology Group | green/white | FIRST UNION/Valvoline | Yokohama | Valvoline | closed | front |
| 12 | Porsche 911 | Rick Fairbanks | | | | | closed | rear |
| 15 | Chevrolet Camaro IV | Anthony Puleo | white/black | AUTO ELECTRIC/JMP | | | closed | front |
| 16 | Riley & Scott Mk III Ford | Dyson Racing | white/dark blue (+yellow/red) | rain-X/DYSON Racing | Goodyear | | open | mid |
| 17 | Porsche 911 GT2 Evo | Art Pilla | white/blue/yellow | PORSCHE/...DESIGNS | Goodyear | | closed | rear |
| 19 | Argo - P BMW | Davin Racing | black | UFO land VALCOURT QUEBEC/Brickell | Goodyear | | open | mid |
| 20 | Riley & Scott Mk III Ford | Dyson Racing | white/dark blue (+yellow/red) | rain-X/DYSON Racing | Goodyear | | open | mid |
| 22 | Chevrolet Camaro | Paul Reisman | | | | | closed | front |
| 24 | Porsche 911 | Alex Job Racing/Team Seattle | white/blue (+red) | CHILDREN'S Medical Center/ALEX JOB Racing/Team Seattle | Goodyear | | closed | rear |
| 25 | Porsche 964 Carrera RSR | Alex Job Racing | white (+yellow) | Worldwide Notification Systems, Inc./HENDRICK IMPORTS | Pirelli | | closed | rear |
| 26 | Porsche 911 | Alex Job Racing | red (+yellow) | SCATOLA TEMPO/PORSCHE | Yokohama | | closed | rear |
| 27 | Chevrolet Camaro IV | Hoyt Overbagh | red/white | Welcome Giulia/OMP/GOODYEAR | Goodyear | | closed | front |
| 28 | Spice SC95 Oldsmobile | FAB Factory Motorsport | white | Banana Joe's/GUESS/SHARP | Goodyear | | open | mid |
| 29 | Riley & Scott Mk III Oldsmobile | Target 24 | white/blue | Starlight/RADICI GROUP | Pirelli | | open | mid |
| 30 | Ferrari 333 SP | Moretti Racing | red (+yellow) | momo/Playpiso/MOKART | Yokohama | Exxon | open | mid |
| 31 | Porsche 911 GT2 | Konrad Motorsport | white/turquoise | KÖLLNER Immobilien/INTELNET | Michelin | | closed | rear |
| 32 | Mazda RX 7 | Steve Goldin | yellow (+red) | mazda/Goldin Brothers/Hoosier | Hoosier | | closed | front |
| 33 | Kudzu DG-2 Buick | FAB Factory Motorsport | red | NATURE'S Choice Motor Oils | | | open | mid |
| 34 | Oldsmobile Cutlass Supreme | Todd Vallancourt | white/yellow | | Hoosier | | closed | front |
| 35 | Chevrolet Camaro IV | Richard McDill | white | Hamilton | Yokohama | | closed | front |
| 36 | Pontiac Firebird | Phoenix American Motorsports | | | | | closed | front |
| 37 | Chevrolet Camaro | Hoyt Overbagh | red/white | OKI/OMP | Goodyear | | closed | front |
| 38 | Acura NSX | Mark Hein | red | ACURA/TCP/SMITH BARNEY | Yokohama | | closed | mid |
| 39 | Porsche 911 | Jim Mathews Racing | white (+green/red/yellow/blue) | CAROLINA | Pirelli | | closed | rear |
| 40 | Porsche 911 | Paul Kumpen | white (+red) | SESAM/Castrol/Tabatip | | Castrol | closed | rear |
| 41 | Porsche 911 Carrera RSR | Team Technodyne | red | PowerHaus/MODE | Pirelli | | closed | rear |
| 42 | Porsche 911 | Jarett Freeman | white | triscuit/TECHNICAL DIMENSIONS | Yokohama | | closed | rear |
| 44 | Mazda RX 7 | Brad Creger | yellow/blue | mazda/YOKOHAMA | Yokohama | | closed | front |
| 45 | Porsche 993 Turbo | Davies Motorsports | white (+yellow/red/blue) | Fantasy of Flight | Goodyear | | closed | rear |
| 46 | Lister Storm GTS | Lister Storm Racing | black/white | NEWCASTLE UNITED | Michelin | | closed | front |
| 47 | Ford Saleen Mustang | T-F Racing | blue/white (+yellow) | zippo | | Kendall | closed | front |
| 49 | Chevrolet Camaro | Dan Shaver | white (+red) | PETRO EXPRESS | | | closed | front |
| 50 | Porsche 911 | Paul Kumpen | white (+red) | SESAM/Castrol | | Castrol | closed | rear |
| 51 | Chevrolet Monte Carlo | Fantasy Junction | white/yellow | FANTASY JUNCTION | | | closed | front |
| 52 | Nissan 240SX | Kryderacing | yellow (+red) | KRYDERACING/NISSAN | | | closed | front |
| 53 | Porsche 964 Carrera RSR 3.8 | Rohr Corp. | white (+blue) | ROHR/STADLER | Pirelli | | closed | rear |
| 54 | Porsche 993 Cup 3.8 RSR | Doug Trott | black (+yellow) | Northstar/Y-ME | | | closed | rear |
| 55 | Porsche 964 Carrera RSR 3.8 | Stadler Motorsport | yellow | hasseröder | Pirelli | | closed | rear |
| 56 | Porsche 911 GT2 | Martin Snow | white (+black/yellow/red) | UNIVERSAL/LINTOTT MOTORSPORTS/KG | Pirelli | | closed | rear |
| 57 | Nissan 240SX | Kryderacing | yellow | NISSAN | | | closed | front |
| 58 | Porsche 911 | Protechnik Racing | white/red (+black/yellow) | FACI EUROPE | | | closed | rear |
| 60 | Keiler KII Ford | Kopf Precision Race Products Team | silver (+blue/orange/black) | TRANSPORTS QUINTANILLA, S.A., C.V. | Goodyear | | open | mid |
| 61 | Porsche 911 GT2 | Konrad Motorsport | white/turquoise | KÖLLNER Immobilien/van lent/HEICO/KONRAD | Michelin | | closed | rear |
| 62 | Chevrolet Camaro III | Diablo Racing | white (+red) | | | | closed | front |
| 63 | Kudzu DLM Mazda | Downing/Atlanta Racing | red/green (+silver/black/white) | mazda/WORLD'S BEST OIL | Goodyear | | open | mid |
| 64 | Chevrolet Camaro | Mel A. Butt | silver (+white) | Mobil 1 | Goodyear | Mobil 1 | closed | front |
| 65 | Ford Saleen Mustang | Saleen Allen Speedlab | white/black/yellow | HOME IMPROVEMENT/MBNA/BASF | | Shell | closed | front |
| 66 | Porsche 911 | G & W Motorsports | yellow | Virginia is for lovers/leukemia/FIRST UNION | Goodyear | | closed | rear |
| 67 | Ford Saleen Mustang | Saleen Allen Speedlab | white/black/yellow | HOME IMPROVEMENT/MBNA/BASF | | Shell | closed | front |
| 68 | Porsche 911 | The Racers Group | blue/violet (+purple) | TOGO'S/THE RACER'S GROUP | | | closed | rear |
| 69 | Porsche 911 | Jorge Trejos | white | Hella/Marque Motors/PORSCHE | | | closed | rear |
| 70 | Porsche 911 GT2 | AD Sport | white (+dark blue) | NOKIA | Pirelli | | closed | rear |
| 71 | Callaway C7R | Johnny Unser | silver | CALLAWAY C7R | Goodyear | | closed | front |
| 72 | Chevrolet Corvette C4 | Tim Banks | yellow | | Dunlop | | closed | front |
| 73 | Porsche 911 Carrera RSR | Jack Lewis Enterprises | red | USA | | | closed | rear |
| 74 | Porsche 911 GT2 Evo | Champion Porsche | white (+red/blue/green/yellow) | STP/Champion/H.H. BROWN | Pirelli | | closed | rear |
| 75 | Oldsmobile Aurora | Robinson Racing | white/blue (+orange) | AURORA V8 | Goodyear | | closed | front |
| 76 | Porsche 993 Carrera RSR | Team A.R.E. | white/blue/red (+yellow) | YOKOHAMA | Yokohama | | closed | rear |
| 77 | BMW M3 | Mattco Racing | white (+red/blue) | Alco Capital Group | Yokohama | | closed | front |
| 78 | Porsche 964 Carrera RSR | Team A.R.E. | white/blue/red (+yellow) | YOKOHAMA | Yokohama | | closed | rear |
| 79 | Oldsmobile Cutlass Supreme | Tim Banks | yellow | | | | closed | front |
| 80 | Oldsmobile Cutlass Supreme | David Perelle | black | INVESTOR RIGHTS ASSOCIATION | Goodyear | | closed | front |
| 81 | Pro Sport 3000 Spyder Ford | Graham Williams | green | PRO-SPORT 3000 | Dunlop | | open | mid |
| 82 | Porsche 911 | | black (+silver) | ...-BOSTON/FIANDACA/auto | Dunlop | | closed | rear |
| 83 | Porsche 911 | GT Racing Team | white (+yellow) | GT RACING TEAM | Pirelli | | closed | rear |
| 84 | Porsche 911 | Luigino Pagotto | white | | | | closed | rear |
| 85 | Porsche 911 GT2 | Chamberlain Engineering | yellow | MONMOUTH TRUST ISLE OF MAN/GLEASON FINANCIAL | Goodyear | | closed | rear |
| 86 | Porsche 993 Carrera Cup | G & W Motorsports | white | FIRST UNION/FIKSE | Dunlop | | closed | rear |
| 87 | Chevrolet Camaro | John Annis | yellow | TYGORC | | | closed | front |
| 88 | Riley & Scott Mk III Chevrolet | MSI Racing | black/red | WINCHESTER | Goodyear | | open | mid |
| 90 | Oldsmobile Cutlass Supreme | Road Circuit Technology | white | | | | closed | front |
| 91 | Chevrolet Camaro | Rock Valley Oil & Chemical Co. | white/dark blue (+orange) | RV/VISCOH | Goodyear | | closed | front |
| 92 | Mazda RX-7 | RAE Motorsports | white | mazda/RAE MOTORSPORTS | | | closed | front |
| 94 | Dodge Viper GTS-R | Viper Team Oreca | white (+blue) | Cica/TOTAL/mopar/ADA | Michelin | Total | closed | front |
| 95 | Kudzu DL-4 Chevrolet | TRV Motorsports | yellow/black | SUPREME/QUANTUM | | | open | mid |
| 96 | Porsche 911 GT2 | Proton Competition | black/red | STANNER/DELL/ECOTEC/SCANIA/PROTON | | | closed | rear |
| 97 | Porsche 911 GT2 Evo | Klaus Scheer | white (+red) | TEAM SCHEER/Castrol | Goodyear | Castrol | closed | rear |
| 98 | Porsche 911 Carrera RSR | Schumacher Racing | red | | Pirelli | | closed | rear |
| 99 | Porsche 911 GT2 | Roock Racing | red | H&R/TEN/MICHELIN | Michelin | | closed | rear |