| 00 | Coppelli / Agusta / Simo / *Bertaggia | Agusta Racing (GB) | | Callaway | Corvette | | Chevrolet | GTS-1 |
| 01 | Haywood / Goodyear / O'Steen / Murry | Rohr Corp. (USA) | Jochen Rohr | Porsche | 993 GT2 | R | Porsche | GTS-1 |
| 02 | Rohr / Schuerg / Rohr / Rosenblad / *Haywood / *O'Steen | Rohr Corp. (USA) | Jochen Rohr | Porsche | 993 GT2 | R | Porsche | GTS-1 |
| 03 | Layer / Galbo / McCarthy / Collins / *Cogbill | Alan Friedman | | Porsche | 911 Carrera RS | Cup | Porsche | GTS-2 |
| 05 | Grouillard / Hill / Pallanca-Pastor | Monaco Racing | Gildo Pallanca-Pastor | Bugatti | EB110 | SC | Bugatti | GTS-1 |
| 06 | Paul, Jr. / Quiros / Donohue / Halsmer / *Adams | Prototype Technology Group (USA) | | BMW | M3 | E36 | BMW | GTS-2 |
| 07 | Wollgarten / Halsmer / Quester / *Upton | Prototype Technology Group (USA) | | BMW | M3 | E36 | BMW | GTS-2 |
| 08 | Rössler / Hermann / Konrad / *Ham / *Mendez | Konrad Motorsport (D) | Franz Konrad | Porsche | 993 GT2 | Evo | Porsche | GTS-1 |
| 09 | Netzebrand / Lara-Resende / Ahrlé / Dolejší / *Konrad | Konrad Motorsport (D) | Franz Konrad | Porsche | 993 GT2 | Evo | Porsche | GTS-1 |
| 1 | Hoerr / Cunningham / Borkowski / Brassfield | Brix Racing (USA) | | Oldsmobile | Aurora | | | GTS-1 |
| 2 | O'Connell / Nelson / Clark / Montgomery | Screaming Eagles Racing | | Riley & Scott | Mk III | | Ford | WSC |
| 3 | Baldi / Alboreto / Velez / *Evans | Scandia Engineering (USA) | Andy Evans | Ferrari | 333 SP | | Ferrari | WSC |
| 4 | Taylor / Sharp / Pace | Doyle Racing (USA) | | Riley & Scott | Mk III | | Oldsmobile | WSC |
| 5 | Morgan / Morgan / Pezza / Gooding / Hoerr / *Brassfield | Brix Racing (USA) | | Oldsmobile | Aurora | | | GTS-1 |
| 6 | Dibos / Said / O'Connell / Dibos / Orlandini / Koechlin | Juan Dibos (PE) | | Ford | Mustang | | Ford | GTS-1 |
| 7 | Forbes-Robinson / Schneider / Bell / Bender / *Brown | Bobby Brown Motorsports (USA) | | Spice | HC94 | | Oldsmobile | WSC |
| 8 | Camferdam / Mandeville / Auberlen / Kester | Support Net Racing | | Hawk | C-8 | | Chevrolet | WSC |
| 9 | Bell / *Dickens / *Shapiro / *Shirazi / *Spreng | Auto Toy Store | Morris Shirazi | Spice | SE90 | | Cadillac | WSC |
| 10 | Puleo / Gschwender / Kitch / Kennedy / Conway | Puleo Racing (USA) | Anthony Puleo | Chevrolet | Camaro | IV | Chevrolet | GTS-1 |
| 15 | Gilbicella / Delconte / Petrich / Lavari / *Sorrentino | Team Argentina | | Oldsmobile | Cutlass | Supreme | | GTS-1 |
| 16 | Wallace / Dyson / *Weaver / *Leitzinger | Dyson Racing (USA) | | Riley & Scott | Mk III | | Ford | WSC |
| 20 | Leitzinger / Wallace / Dyson / Weaver | Dyson Racing (USA) | | Riley & Scott | Mk III | | Ford | WSC |
| 21 | Borella / Beck / Davidson / Bolle-Jones / Painter | Kent Racing | | Chevrolet | Monte Carlo | LM | Chevrolet | GTS-1 |
| 22 | Daccò / Caffi / *Montani / *Rosa | Target 24 | | Chevron | B73 | | BMW | WSC |
| 24 | Cogbill / Finger / Rutherford / Shelton / *Slater | Alex Job Racing (USA) | Alex Job | Porsche | 993 | | Porsche | GTS-2 |
| 25 | Lazzaro / Jackson / Faucetta / Cilli / *Jones | Alex Job Racing (USA) | | Porsche | 993 | | Porsche | GTS-2 |
| 26 | Slater / Spenard / Hessert / *Higgins | Alex Job Racing (USA) | | Porsche | 993 | ME | Porsche | GTS-2 |
| 27 | Refenning / Vargo / *Maffucci / *Refenning / *Mendez | Tim Vargo | | Porsche | 993 Carrera | RS | Porsche | GTS-2 |
| 30 | Moretti / Wollek / Theys / Papis | Momo Corse (I) | | Ferrari | 333 SP | | Ferrari | WSC |
| 31 | Auberlen / Hubman / Morton / Papis / Moretti | Momo Corse (I) | | Ferrari | 333 SP | | Ferrari | WSC |
| 33 | Mirro / Fairbanks / *Cottrell / *Neuhaus | Fab Factory Motorsports (USA) | Fabian Dressler | Kudzu | DG-2 | WSC | Buick | WSC |
| 35 | McDill / Juckette / McDill | Bill McDill | | Chevrolet | Camaro | | Chevrolet | GTS-1 |
| 36 | van de Poele / Sutherland / Libert / Fossett | Wheel Works Racing | Rick Sutherland | Courage | C41 | | Chevrolet | WSC |
| 37 | Bacigalupe / Gac / Perrot / Richardson | Pegasus Racing (USA) | | Pegasus | | | BMW | WSC |
| 38 | Field / Carbonell / Briody / *Kuttner | Pegasus Racing (USA) | | Pegasus | NPTI | | BMW | WSC |
| 40 | Kaufmann / Hane / *Dören / *Scheer | Freisinger Motorsport | | Porsche | 993 Carrera | RSR | Porsche | GTS-1 |
| 41 | Dujardyn / La Rosa / Neugarten / Thiers | AD Sport | | Porsche | 911 Carrera | RSR | Porsche | GTS-2 |
| 42 | Freeman / Gregg / Schmidt | Jarett Freeman | | Porsche | 993 Cup | | Porsche | GTS-2 |
| 43 | Bentley / Fréon / Payne / *Kitch | Payne Racing | Lee Payne | Riley & Scott | Mk III | | Oldsmobile | WSC |
| 44 | Jacobs / Cross / Duffy / Sessions | Jacobs Motorsports (USA) | Michael Jacobs | Pontiac | Firebird | | Pontiac | GTS-1 |
| 45 | Bye / Trott / Ruther / Kubik / Willingham | Doug Trott (CDN) | | Porsche | 993 Cup | 3.8 RSR | Porsche | GTS-2 |
| 46 | Nelson / Greenberg / Northam / Drew / Collings | Rob Collings | | Porsche | 911 Carrera RS | Cup | Porsche | GTS-2 |
| 47 | Barth / Pareja / Chéreau / Schuch / Leconte | Larbre Competition (F) | Jack Leconte | Porsche | 993 GT2 | Evo | Porsche | GTS-1 |
| 49 | Shaver / Barrett / Willes / *Varde | Dan Shaver | | Chevrolet | Camaro | | Chevrolet | GTS-1 |
| 51 | Trenery / Bryant / Smith / Pattinson | Fantasy Junction | Bruce Trenery | Cannibal | | | Chevrolet | WSC |
| 52 | Strasser / Wheeler / Russell / Peplin / Ludwig | Andy Strasser | | Porsche | 911 Carrera | RSR | Porsche | GTS-2 |
| 54 | Hemroulle / Cohen / Kumpen / Vanierschot | Peka Racing | Paul Kumpen | Porsche | 993 | | Porsche | GTS-2 |
| 55 | Calderari / Bryner / Richter | Stadler Motorsport (CH) | Mathias Stadler | Porsche | 964 Carrera | RSR 3.8 | Porsche | GTS-2 |
| 56 | Snow / Aase / Trejos / Jones | Martin Snow (USA) | Martin Snow | Porsche | 993 GT2 | | Porsche | GTS-1 |
| 57 | Kryder / Heinkélé / Kuster / Jurasz / Del Vecchio | Kryderacing (USA) | | Nissan | 240SX | | Nissan | GTS-2 |
| 58 | Shalala / Turner / McGehee / Hillestad / Matthews | Pro Technik Racing (USA) | Sam Shalala | Porsche | 993 | | Porsche | GTS-2 |
| 61 | Mehalic / Cervelli / Collin / Tracy / Sharpe | Mark Alan (USA) | | Porsche | 911 Carrera | 4S AWD | Porsche | GTS-2 |
| 62 | Bies / Perelle / *Curren / *Hildock | Tom Curren (USA) | Tom Curren | Oldsmobile | Cutlass | | | GTS-1 |
| 63 | McAdam / Waddell / Hamlet / Downing | Downing/Atlanta (USA) | | Kudzu | DLM | | Mazda | WSC |
| 64 | Butt / Higgs / McTureous / Zitza | Mel A. Butt (USA) | Mel Butt | Chevrolet | Camaro | III | Chevrolet | GTS-1 |
| 65 | Brown / Thiel / Polli / Mastropietro / *Pagotto | GT Racing Team | | Porsche | 911 Carrera Cup | | Porsche | GTS-2 |
| 66 | von Gartzen / Michelotti / Giribaldi / Pagotto | GT Racing Team | | Porsche | 993 Carrera | RSR 3.8 | Porsche | GTS-2 |
| 67 | Purner / White / Singer / Coker | Hendricks Porsche (USA) | Charles Coker, Jr | Porsche | 964 Carrera | RSR 3.8 | Porsche | GTS-2 |
| 68 | Uria / Refenning / Maffucci / Refenning / Vargo | Tim Vargo | | Porsche | 911 Carrera Cup | | Porsche | GTS-2 |
| 70 | Ebeling / Wlazik / Oestreich / Richter | Heico Motorsport (D) | Dirk-Rainer Ebeling | Porsche | 993 | | Porsche | GTS-2 |
| 72 | Bell / Fergus / Schroeder | Champion Porsche (USA) | | Porsche | 993 Turbo | | Porsche | GTS-1 |
| 73 | Lewis / Lluch / Buckler / Rice | Jack Lewis Enterprises | | Porsche | 993 Carrera | RSR | Porsche | GTS-2 |
| 74 | Stuck / Boutsen / Adam | Champion Porsche (USA) | Dave Maraj | Porsche | 993 GT2 | Evo | Porsche | GTS-1 |
| 75 | Worth / Tonetti / Bogusz / Haussecker / *Thompson / *Creger / *Lewis | Cameron Worth | Cameron Worth | Mazda | RX-7 | Turbo | Mazda | GTS-2 |
| 77 | Banks / Montgomery / Hundredmark / Goldin / Dro | Tim Banks | | Oldsmobile | Cutlass | Supreme | | GTS-1 |
| 78 | Wagner / Dente / Doolin / Raimist | Team A.R.E. (USA) | Richard Raimist | Porsche | 964 Carrera | RSR | Porsche | GTS-2 |
| 79 | Farmer / Nearn / Murphy / Ortelli / Tradd | Parr Motorsport/New Hardware (NZ) | William Robert Farmer | Porsche | 993 GT2 | R | Porsche | GTS-1 |
| 84 | Close / Balas / Lecerf / Spinelli / Hebert | Team Viper | Gilles Gaignault | Dodge | Viper | RT/10 | Dodge | GTS-1 |
| 86 | Marshall / Konig / Chambers / Marshall | G & W Motorsports | | Porsche | 964 Carrera | Cup | Porsche | GTS-2 |
| 87 | Annis / *Donavon / *Gillis / *LaCroix / *Tiller / *Webster | John Annis | John Annis | Chevrolet | Camaro | | Chevrolet | GTS-1 |
| 88 | Campbell / Fronti / Thomas / Johnson | Douglas Campbell | | Mazda | RX-7 | | Mazda | GTS-2 |
| 89 | Lees / Acheson / Needell | Lister Racing (GB) | | Lister | Storm | GTS | Jaguar | GTS-1 |
| 90 | Petery / Delano / Riggins / Carter | Riggins Competition | | Oldsmobile | Cutlass | Supreme | | GTS-1 |
| 91 | Hayner / Heinricy / Schramm / Nelson | Rock Valley Oil & Chemical Co. | | Chevrolet | Camaro | | Chevrolet | GTS-1 |
| 92 | Casadei / Minkhorst / Garbagnati / Ciani / Bucci / *Overbagh | Hoyt Overbagh (USA) | Hoyt Overbagh | Chevrolet | Camaro | IV | Chevrolet | GTS-1 |
| 93 | Taleb / *Michelet / *Amador / *Wilson / *Urrutia | Ecuador Mobil 1 Racing (EC) | Henry Taleb | Nissan | 240SX | | Nissan | GTS-2 |
| 94 | Jim Guthrie | Butch Brickell | | Banshee | LNI-1 | | Chevrolet | WSC |
| 97 | Robinson / Bachelart / Seibert / Sifton | Canaska/Southwind (USA) | Vic Sifton | Dodge | Viper | GTS-R | Dodge | GTS-1 |
| 98 | Cobb / Archer / Hendricks / Dismore / Sifton | Canaska/Southwind (USA) | Vic Sifton | Dodge | Viper | GTS-R | Dodge | GTS-1 |
| 99 | Pilgrim / Grohs / Schumacher / Pace | Rohr Corp. (USA) | | Porsche | 911 Carrera | RSR | Porsche | GTS-2 |