| 0 | Cottrell / Miller / Holt / Goldsborough / Chocron / Anderson / van Cleef / Kitch | Chuck Cottrell | Leigh Miller | Kudzu | DG-2 | WSC | Buick | WSC |
| 00 | Euser / Hermann / Needell / Konrad | Konrad Motorsport (D) | | Kremer | K8 | | Porsche | LM WSC |
| 01 | Haywood / Murry / Mayländer / Rohr | Rohr Corp. (USA) | Jochen Rohr | Porsche | 993 GT2 | R | Porsche | GTS-1 |
| 02 | Huber / Hawkins / Knapp-Voith / Siokola | Rohr Corp. (USA) | Jochen Rohr | Porsche | 964 Carrera | RSR 3.8 | Porsche | GTS-2 |
| 04 | Downs / Schumacher / Raimist / Haugg | Rohr Corp. | | Porsche | 911 | SC | Porsche | GTS-2 |
| 08 | Scrogham / Marshall / Biggs / Marshall | G W Motorwerks Ltd. | | Porsche | 911 Carrera | RSR | Porsche | GTS-2 |
| 09 | Conway / Flis / Nisbett / Flis | Flis Brothers | | Mitsubishi | Eclipse | | Mitsubishi | GTS-2 |
| 2 | Dale / Cochran / Ekblom | Brix Racing (USA) | Harry Brix | Spice | BDG-02 | | Oldsmobile | WSC |
| 3 | Velez / Evans / Gentilozzi / van de Poele | Scandia Racing Team (USA) | Andy Evans | Ferrari | 333 SP | | Ferrari | WSC |
| 4 | Smith / Fish / DeVries / Hoerr / *Brassfield / *Dismore / *Cobb | Brix Racing | | Oldsmobile | Cutlass | Supreme | | GTS-1 |
| 5 | Cobb / Dismore / Brassfield / Fish / *Hoerr / *Smith / *DeVries | Brix Racing | | Oldsmobile | Cutlass | Supreme | | GTS-1 |
| 6 | Marvin / Dickens / Gray / *Sutherland | Power Macintosh Racing | | Spice | AK93 | | Oldsmobile | WSC |
| 7 | Dobson / Cooper / Bell / Debban / *Brown | Bobby Brown Motorsports (USA) | | Spice | HC94 | | Chevrolet | WSC |
| 8 | Camferdam / Morgenrood / Mandeville / *Robson | Support Net Racing Inc. | Henry Camferdam, Jr. | Hawk | MD3R | | Mazda | WSC |
| 9 | Wallace / Lammers / Bell | Auto Toy Store Inc. | Morris Shirazi | Spice | SE90 | | Chevrolet | WSC |
| 10 | Lavaggi / Werner / Bouchut / Lässig | Kremer Racing (D) | | Kremer | K8 | | Porsche | LM WSC |
| 11 | Bupp / Watkins / *Sereix / *Urrutia | John Josey | | Ford | Mustang | | Ford | GTS-1 |
| 12 | Paul, Jr. / Halsmer / Quester / Donohue | Prototype Technology Group (USA) | | BMW | M3 | E36 | BMW | GTS-2 |
| 13 | Said / *Bell / *Meixner | Prototype Technology Group (USA) | | BMW | M3 | E36 | BMW | GTS-2 |
| 15 | Delconte / Spinella / Hermoso / Gilbicella / *Salerno | Team Argentina (USA) | Dale Kreider | Oldsmobile | Cutlass | Supreme | | GTS-1 |
| 16 | Weaver / *Dyson / *Sharp / *Leitzinger | Dyson Racing (USA) | | Riley & Scott | Mk III | | Ford | WSC |
| 17 | Pilla / Miller / Mendez / White | Dave White | | Porsche | 911 Turbo | | Porsche | GTS-1 |
| 18 | Johnson / Sheldon / Lewis / Fairbanks | Dan Lewis (USA) | | Mazda | MX-6 | | Mazda | GTS-2 |
| 20 | Filip / McComb / Berry / DeMere / Fuller | Warren Mosler | | Consulier | Intruder | | Chevrolet | WSC |
| 21 | Kuster / Brambilla / Borella / Painter / Gaylord | Kent Racing (USA) | Kent Racing | Chevrolet | Camaro | III | Chevrolet | GTS-1 |
| 22 | Hessert / Durst / Higgins / Abel | Fabcar (USA) | | Porsche | 911 | | Porsche | GTS-2 |
| 23 | Hundredmark / Fengler / Pfeffer / Henry | Bob Hundredmark | | Oldsmobile | Cutlass | Supreme | | GTS-1 |
| 24 | Freeman / Gregg / Schmidt / Northam | Jarett Freeman | | Porsche | 993 Cup | | Porsche | GTS-2 |
| 25 | Jackson / Barkelew / Cilli / Lazzaro | Alex Job Racing (USA) | | Porsche | 993 | | Porsche | GTS-2 |
| 26 | Cogbill / Lewis / Shelton / Slater | Alex Job Racing (USA) | Alex Job | Porsche | 993 | | Porsche | GTS-2 |
| 30 | Moretti / Taylor / Salazar / Theys | Momo (I) | | Ferrari | 333 SP | | Ferrari | WSC |
| 30T | | Momo (I) | | Ferrari | 333 SP | | Ferrari | WSC |
| 31 | Nearn / Smith / Gac / Painter / *Gaylord | Kent Racing | | Chevrolet | Camaro | III | Chevrolet | GTS-1 |
| 32 | Carbonell / Smellie / Finger / McLaurin | Comprent Motor Sports (USA) | | Mazda | MX-6 | | Mazda | GTS-2 |
| 33 | Baldi / Alboreto / Johansson | Scandia Racing Team | | Ferrari | 333 SP | | Ferrari | WSC |
| 34 | McCue / Grubbs / Cecil / Hudgins / Halin | RFF Racing (USA) | | Chevrolet | Camaro | | Chevrolet | GTS-1 |
| 37 | Bachelart / Dow / Kuttner / Ferguson / *Taylor | Pegasus Racing (USA) | | Pegasus | | | BMW | WSC |
| 38 | Ave / *Irwin / *Nies / *Segredahl | Earl Segredahl | | Chevrolet | Camaro | | Chevrolet | GTS-1 |
| 40 | Lück / Lindenbaum / Tilke / Dören | Dören (D) | | Porsche | 911 Carrera | RSR | Porsche | GTS-2 |
| 43 | Williams / Mirro / Payne / Loring / Kitch | Payne Williams Racing | | Denali | | | Oldsmobile | WSC |
| 44 | Nelson / Bentley / Clark / Smith-Haas | Screaming Eagles Racing (USA) | | Spice | SE90 | | Lexus | WSC |
| 50 | Brancatelli / Sigala / Julian / Barbazza | Euromotorsport Racing Inc. | | Ferrari | 333 SP | | Ferrari | WSC |
| 51 | Trenery / Rice / Bryant / Norton / Pattinson | Scott Flatt | Scott Flatt | Cannibal | | | Chevrolet | WSC |
| 52 | Strasser / Wheeler / Busby / DeFranceschi / Ludwig | Andy Strasser | | Porsche | 911 Carrera | RSR | Porsche | GTS-2 |
| 53 | McDill / Juckette / Trotnow / McDill | Bill McDill | | Chevrolet | Camaro | | Chevrolet | GTS-1 |
| 54 | Calderari / Bryner / Mastropietro / Richter | Stadler Motorsport (CH) | Mathias Stadler | Porsche | 964 Carrera | RSR 3.8 | Porsche | GTS-2 |
| 55 | Aase / Trejos / Quiros / Snow | Jorge Trejos | | Porsche | 964 Carrera | RSR | Porsche | GTS-2 |
| 57 | Kryder / Heinkélé / Roth / Del Vecchio | Kryderacing (USA) | | Nissan | 240SX | | Nissan | GTS-2 |
| 58 | Smith / Frazier / Matthews / Shalala / *Beard | Pro-Technik Racing | Sam Shalala | Porsche | 993 Carrera | | Porsche | GTS-2 |
| 61 | Bertaggia / Olczyk / Wendlinger / Unser | Callaway Competition | | Callaway | Corvette | | Chevrolet | GTS-1 |
| 62 | Kennedy / Bies / Rankin / Curren | Curren Motorsports (USA) | Tom Curren | Oldsmobile | Cutlass | Supreme | | GTS-1 |
| 63 | Downing / Hamlet / Pace / McAdam | Downing/Atlanta Racing (USA) | | Kudzu | DG-3 | WSC | Mazda | WSC |
| 64 | Butt / Higgs / Barker / Zitza | Mel A. Butt (USA) | Mel Butt | Chevrolet | Camaro | III | Chevrolet | GTS-1 |
| 65 | Castro / Falgueras / Villa / Parisi / Rivera | Roush Racing (USA) | Jack Roush | Ford | Mustang | | Ford | GTS-1 |
| 66 | Root / *Baker / *Wagner / *Moran | Team Gunnar | Kevin Jeannette | Porsche | 911 Carrera | RSR | Porsche | GTS-1 |
| 68 | Danaher / Johnson / Coker / Wagner | Hendricks Porsche (USA) | Charles Coker, Jr. | Porsche | 968 | Turbo | Porsche | GTS-2 |
| 69 | Müller / Mummery / Spreng | Gustl Spreng Racing | | Porsche | 993 Carrera | Turbo | Porsche | GTS-1 |
| 70 | Kendall / Newman / Brockman / Martin | Roush Racing (USA) | | Ford | Mustang | | Ford | GTS-1 |
| 72 | Jochamowitz / *Peters / *Purner / *Apicella | Champion Porsche (USA) | | Porsche | 964 Turbo | | Porsche | GTS-1 |
| 74 | Stuck / Grohs / Adam / Jochamowitz / Schroeder / *Fergus | Champion Porsche (USA) | Dave Maraj | Porsche | 993 GT2 | R | Porsche | GTS-1 |
| 75 | Millen / O'Connell / Morton | Cunningham Racing (USA) | | Nissan | 300ZX | (Z32) | Nissan | GTS-1 |
| 77 | Arpin / Banks / Reckert / Bumb | Tim Banks | | Oldsmobile | Cutlass | Supreme | | GTS-1 |
| 82 | Greer / Bacon / Uria / Mees / Lingner | Wendy's Race Team (USA) | | Mazda | RX-7 | | Mazda | GTS-2 |
| 85 | Land / Mattschull / Mattschull / Auberlen / Finger | Daytona Racing (USA) | | Porsche | 993 Carrera | RSR | Porsche | GTS-2 |
| 86 | Mehalic / Finger / Dose / *Auberlen | Daytona Racing (USA) | | Porsche | 993 Carrera | RSR | Porsche | GTS-2 |
| 87 | Annis / DeLuca / Donavon / Paligraf / *Dunlop | John Annis | John Annis | Chevrolet | Camaro | | Chevrolet | GTS-1 |
| 88 | Thomas / Bourassa / Campbell / Johnson | Douglas Campbell | | Mazda | RX-7 | | Mazda | GTS-2 |
| 90 | Carter / Petery / Riggins / Delano | Riggins Competition | | Oldsmobile | Cutlass | Supreme | | GTS-1 |
| 91 | Netzebrand / Ploeg / Althoff / Schuch / *Konrad | Konrad Motorsport | | Porsche | 911 Turbo | | Porsche | GTS-1 |
| 92 | Kimbrough / Montgomery / Casadei / Kicak / Golden / Overbagh / *McElheny | Hoyt Overbagh (USA) | Hoyt Overbagh | Chevrolet | Camaro | IV | Chevrolet | GTS-1 |
| 93 | Michelet / Taleb / Wilson / Fergus / *Rojas | Ecuador Mobil 1 Racing (EC) | Henry Taleb | Nissan | 240SX | | Nissan | GTS-2 |
| 95 | Minneker / Morgan / Percilla / Morgan | Morrison Motorsports (USA) | Tommy Morrison | Chevrolet | Corvette | ZR-1 | Chevrolet | GTS-1 |
| 96 | Heinricy / Hayner / Pilgrim / Knowles / *Minneker / *Percilla | Morrison Motorsports | Tommy Morrison | Chevrolet | Corvette | ZR-1 | Chevrolet | GTS-1 |
| 97 | Kahn / Sifton / Seibert / Varde | Vic Sifton (USA) | | Chevrolet | Lumina | | Chevrolet | GTS-1 |
| 99 | Wlazik / Storfer / Reis / Konrad / *Althoff | Konrad Motorsport | | Porsche | 911 Carrera | RSR | Porsche | GTS-2 |