| 00 | Calderari / Zadra / Zadra / Rosenblad / Bryner | Autosport Racing (CH) | Enzo Calderari | Ferrari | 333 SP | | Ferrari | SR | S.R. |
| 01 | Willingham / Pennington / Reiser / Sobrero / Stanton | Reiser Callas Rennsport | | Porsche | 996 GT3-R | | Porsche | GTU | G.T. |
| 03 | Hürtgen / Haupt / Wada / Nearn / Smith / Earle | Roock Racing (D) | Fabian Roock | Porsche | 993 GT2 | | Porsche | GTO | G.T. |
| 04 | Brown / Warnock / Trenery / *Rice / *Earle | Roock Racing (D) | Fabian Roock | Porsche | 993 GT2 | | Porsche | GTO | G.T. |
| 06 | Maxwell / Toivonen / Graham | Multimatic Motorsports (CDN) | Scott Maxwell | Lola | B98/10 | | Ford | SR | S.R. |
| 07 | Fitzgerald / Merril / Marshall / MacAllister / Marshall / Law | G&W Motorsports (USA) | | Porsche | 993 Carrera | RSR | Porsche | GTU | G.T. |
| 09 | Conway / Flis / Flis / Goad | The Spirit of Daytona (USA) | | Chevrolet | Camaro | IV | Chevrolet | AGT | G.T. |
| 2 | Lewis / Mazzuoccola / Bavaro / Wagner | MCR/Aspen Knolls (USA) | | Porsche | 996 GT3-R | | Porsche | GTU | G.T. |
| 3 | Fellows / Bell / Kneifel | Corvette Racing (USA) | | Chevrolet | Corvette C5 | -R | Chevrolet | GTO | G.T. |
| 4 | Collins / Pilgrim / Fréon | Corvette Racing (USA) | | Chevrolet | Corvette C5 | -R | Chevrolet | GTO | G.T. |
| 5 | Angelelli / Taylor / van de Poele | Team Cadillac (USA) | | Cadillac | Northstar LMP | | Cadillac | SR | S.R. |
| 6 | Leitzinger / Wallace / Lagorce | Team Cadillac (USA) | | Cadillac | Northstar LMP | | Cadillac | SR | S.R. |
| 7 | Peter / Willems / Hofer / Quester / Riccitelli | RWS Motorsport (D) | | Porsche | 996 GT3-R | | Porsche | GTU | G.T. |
| 8 | Schubot / Camferdam / Dayton / *Burton | Philip Creighton Motorsport Ltd | | Riley & Scott | Mk III | | Ford | SR | S.R. |
| 9 | Brown / Goldrich / Lenz / *DeVries | Bobby Brown Motorsports (USA) | | Spice | HC94 | | Chevrolet | SR | S.R. |
| 10 | Richter / Kern / Rohr / Alzen | Jurgen/Alzen Motorsport | | Porsche | 996 GT3-R | | Porsche | GTU | G.T. |
| 12 | Caffi / McNish / Kelleners / Schiattarella | Risi Competizione (USA) | | Ferrari | 333 SP | | Ferrari | SR | S.R. |
| 13 | Shuster / Montgomery / Puleo | DM Motorsports | | Chevrolet | Camaro | | Chevrolet | AGT | G.T. |
| 14 | Smith / Nowicki / Lester / Heinricy | Jack Cauley Chevrolet | | Chevrolet | Corvette C5 | | Chevrolet | GTO | G.T. |
| 15 | Aguirre / Watkins / Urrutia / Villeneuve / *Kreider | Kreider Motorsports (USA) | | Chevrolet | Corvette | | Chevrolet | GTO | G.T. |
| 17 | Bingham / Said / Simo / Sutherland | Hybrid Motorsports (USA) | | Riley & Scott | Mk III | | Ford | SR | S.R. |
| 20 | Weaver / Dyson / Papis / Forbes-Robinson | Dyson Racing Team (USA) | | Riley & Scott | Mk III | | Ford | SR | S.R. |
| 21 | Rutherford / Hajducky / Geremia / Oneglia / Fengler / Carradine | Aasco Performance | | Porsche | 911 Carrera RSR | | Porsche | GTU | G.T. |
| 22 | Matthewson / Burgess / Rapetti / Neugarten | SMS Seikel Motor Sport (D) | Peter Seikel | Porsche | 996 GT3-R | | Porsche | GTU | G.T. |
| 23 | Pobst / Lambert / Conte | Alex Job Racing (USA) | Alex Job | Porsche | 996 GT3-R | | Porsche | GTU | G.T. |
| 24 | Finlay / Goldin / Goldin | Goldin Brothers Racing | | Mazda | RX-7 | | Mazda | GTU | G.T. |
| 25 | Gregg / Borkowski / Rodenroth | Broadfoot/Press Racing | | Porsche | 944 | Turbo | Porsche | GTO | G.T. |
| 26 | Scott Bowe | Broadfoot/Press Racing | | Porsche | 944 | Turbo | Porsche | GTO | G.T. |
| 27 | Theys / Lienhard / Bentley / *Baldi | Doran Enterprises Inc. (USA) | | Ferrari | 333 SP | | Ferrari | SR | S.R. |
| 28 | Suzuki / Olofsson / Takahashi / Hanson / *Riggins | Yellow Magic | | Ferrari | F355 | | Ferrari | GTU | G.T. |
| 29 | Petery / Carter / Green / Mirro | Intersport Racing (USA) | | Riley & Scott | Mk III | | Ford | SR | S.R. |
| 30 | Nieto / *Geck / *St. James / *Jacobs / *Biskup | Jacobs Motorsport (USA) | Michael Jacobs | Porsche | 993 GT2 | R | Porsche | GTO | G.T. |
| 31 | Lammers / Maassen / Konrad | Konrad Motorsport (D) | Franz Konrad | Lola | B98/10 | | Ford | SR | S.R. |
| 32 | von Gartzen / Slater / Kitchak / Lockie / Konrad | Konrad Motorsport (D) | Franz Konrad | Porsche | 993 GT2 | R | Porsche | GTO | G.T. |
| 33 | Schoonbroodt / Tamburini / Buganè / Thiel / Bonuomo | MAC Racing (I) | | Porsche | 996 GT3-R | | Porsche | GTU | G.T. |
| 34 | Pumpelly / Assentato / Steinmetz / Fisken | Autohaus Harrisburg Inc. | | Porsche | 993 Carrera | RSR 3.8 | Porsche | GTU | G.T. |
| 35 | Masselli / Scapini / Capelli / Prinoth / *Pellin | Franco Scapini Motorsport (I) | | Ferrari | F355 | | Ferrari | GTU | G.T. |
| 36 | Johansson / Smith / Matthews / Gidley | Johansson Matthews Racing (USA) | | Reynard | 2KQ | | Judd | SR | S.R. |
| 37 | Field / Whittington / Whittington | Intersport Racing (USA) | | Lola | B98/10 | | Ford | SR | S.R. |
| 38 | Ried / Felbermayr / Felbermayr, Jr. / Ried | Proton Competition (D) | Gerold Ried | Porsche | 993 GT2 | | Porsche | GTO | G.T. |
| 40 | Rankin / Foyil / Lassally / Scott / James | Rankin Racing (USA) | | Chevrolet | Camaro | IV | Chevrolet | AGT | G.T. |
| 41 | Hardman / Favre / De Sadeleer / Springer | L. R. Organisation (CH) | | Porsche | 996 GT3-R | | Porsche | GTU | G.T. |
| 42 | Wilson / Henderson / *Konig / *Ulrich | EBRT/Schroeder Motorsport (B) | | Pilbeam | MP84 | | Nissan | SR | S.R. |
| 44 | Chambers / Fuller / Youles / Fothergill / Simmons | PK Sport | | Porsche | 996 GT3-R | | Porsche | GTU | G.T. |
| 45 | Watson / Vann / Sangiuolo / Duncan | Team Viper West | Hugh Chamberlain | Dodge | Viper | GTS-R | Dodge | GTO | G.T. |
| 46 | Seiler / Brun / Messley / *Hugenholtz | Team Viper West | | Dodge | Viper | GTS-R | Dodge | GTO | G.T. |
| 47 | McDill / Vallancourt / Thomas / Vallarano / Stiver | RaceStar Motorsports (USA) | | Spice | SE90 | | Chevrolet | SR | S.R. |
| 48 | Casadei / Bucci / Garbagnati / Mastropietro | Haberthur Racing (CH) | Guido Haberthur | Porsche | 993 GT2 | R | Porsche | GTO | G.T. |
| 49 | Vuillaume / Colombo / Faller / *Muenz | Haberthur Racing (CH) | Guido Haberthur | Porsche | 993 GT2 | R | Porsche | GTO | G.T. |
| 50 | Auberlen / Fairbanks / Ham / Gleason | Genesis Racing | | BMW | M3 | E36 | BMW | GTU | G.T. |
| 51 | Luhr / Müller / Wollek | Dick Barbour Racing (USA) | | Porsche | 996 GT3-R | | Porsche | GTU | G.T. |
| 52 | Andretti / Hampton / Lloyd / Zouzelka / *Winkelman | Mark Winkelman | | Oldsmobile | Cutlass | | | AGT | G.T. |
| 53 | Scheuren / Curran / Dilorio / Snyder / Smith | Diablo Racing (USA) | Ellen Barbara | Chevrolet | Camaro | IV | Chevrolet | AGT | G.T. |
| 54 | Drendel / Stuck / Neuman / Johnson / Cunningham | Bell Motorsports/Yokohama Tires | | BMW | M3 | E36 | BMW | GTU | G.T. |
| 55 | Rezk / Malnik / Crowley / Miller / *Fairbanks | Genesis Racing | | BMW | M3 | | BMW | GTU | G.T. |
| 56 | Drudi / Babini / Rosa / Rosa | Haberthur Racing (CH) | | Porsche | 996 GT3-R | | Porsche | GTU | G.T. |
| 57 | Maury-Laribiére / Fabre / Chauvin / Cruchet / "Rael" | Haberthur Racing (CH) | | Porsche | 996 GT3-R | | Porsche | GTU | G.T. |
| 58 | Morini / De Castro / Cattaneo / Bicciato / Frigerio | MAC Racing (I) | | Porsche | 996 GT3-R | | Porsche | GTU | G.T. |
| 59 | Barth / Bervillé / Ligonnet / de Lesseps | Brumos Porsche | Jack Leconte | Porsche | 996 GT3-R | | Porsche | GTU | G.T. |
| 60 | Lynn / Snowdon / Algrin / Geck / Jacobs / Del Vecchio | Jacobs Motorsports (USA) | Michael Jacobs | Kudzu | DLM-4 | | Chevrolet | SR | S.R. |
| 62 | Plumb / Hillstead / de Quesada / Bluestein / Safina | Safina Racing (USA) | Joseph Safina | BMW | M3 | E36 | BMW | GTU | G.T. |
| 63 | Katz / Ronson / Pelke / Downing / *Grupp | Downing Atlanta Inc. (USA) | Jim Downing | Kudzu | DLY | | Mazda | SR | S.R. |
| 64 | Sprinkle / Kintzi / Block / *Warner | Autohaus Harrisburg Inc. | | Porsche | 968 | | Porsche | GTO | G.T. |
| 66 | Kitch / Miller / Takahashi / Gaylord | The Racers Group/Team Seattle Children's Hospital (USA) | Kevin Buckler | Porsche | 996 GT3-R | | Porsche | GTU | G.T. |
| 67 | Gaughran / Collin / White / Buckler / Petersen | The Racers Group/Westward Ho Casino (USA) | Kevin Buckler | Porsche | 996 GT3-R | | Porsche | GTU | G.T. |
| 68 | Herrerias / Smith / McGlynn / Manfredi / *Buckler | The Racers Group (USA) | Kevin Buckler | Porsche | 911 Carrera RSR | | Porsche | GTU | G.T. |
| 69 | Bell / Sugden / Day / *O'Rourke | EMKA Racing (GB) | | Porsche | 996 GT3-R | | Porsche | GTU | G.T. |
| 70 | Murry / Hawkins / Skea / Mowlem | Skea Racing International (AUS) | | Porsche | 996 GT3-R | | Porsche | GTU | G.T. |
| 71 | Thompson / Thompson / DeFontes | Dura - The Fitted Garage | | Chevrolet | Camaro | Z28 | Chevrolet | AGT | G.T. |
| 72 | Kaufmann / Palmberger / Stewart | Freisinger Motorsport (D) | Manfred Freisinger | Porsche | 993 GT2 | R | Porsche | GTO | G.T. |
| 73 | Gallade / Lintott / Jurasz / Horn / *Ziegelman | Freisinger Motorsport (D) | | Porsche | 993 GT2 | | Porsche | GTO | G.T. |
| 74 | Robinson / Baldwin / Haywood / Hoerr | 74 Ranch Resort (USA) | | Riley & Scott | Mk III | | Chevrolet | SR | S.R. |
| 75 | Brockman / Newman / Lauer / Jeannette | Champion Racing Inc. (USA) | | Porsche | 996 GT3-R | | Porsche | GTU | G.T. |
| 78 | Roussel / *Sezionale / *Smith | Sezio Florida Racing | | Norma | M2000 | -01 | Mader | SR | S.R. |
| 79 | Kicak / Pilla / Burkland | Free Spirit Motorsports | | Porsche | 993 GT2 | | Porsche | GTO | G.T. |
| 81 | Alzen / Huisman / Huisman / Law | G&W Motorsports (USA) | | Porsche | 996 GT3-R | | Porsche | GTU | G.T. |
| 84 | Finger / Mills / Maugeri / McNeil / Zitza | Comer Racing Inc. | | Chevrolet | Camaro | IV | Chevrolet | AGT | G.T. |
| 87 | Annis / Baisden / Kennedy / Ladoniczki / Ladoniczki | John Annis Racing | | Chevrolet | Camaro | | Chevrolet | AGT | G.T. |
| 88 | Baron / Buitoni / Kester / Hindery / Borkowski | MCR/Nygmatech | | Porsche | 996 GT3-R | | Porsche | GTU | G.T. |
| 89 | McCormick / Crowder / Robertson / Baumann | MCR/Nygmatech | | Porsche | 996 GT3-R | | Porsche | GTU | G.T. |
| 90 | Bouchut / Ahrlé / Chéreau / Goueslard | Larbre Compétition (F) | Jack Leconte | Porsche | 996 GT3-R | | Porsche | GTU | G.T. |
| 91 | Beretta / Wendlinger / Dupuy | Viper Team Oreca (F) | Hugues de Chaunac | Dodge | Viper | GTS-R | Dodge | GTO | G.T. |
| 92 | Archer / Vosse / Duez / Belloc | Viper Team Oreca (F) | Hugues de Chaunac | Dodge | Viper | GTS-R | Dodge | GTO | G.T. |
| 93 | Donohue / Amorim / Belloc / Archer | Viper Team Oreca (F) | Hugues de Chaunac | Dodge | Viper | GTS-R | Dodge | GTO | G.T. |
| 94 | Jenkins / Lisa / *Arpin / *Beilharz / *Reed | A General Kinetics | | Chevrolet | Camaro | | Chevrolet | AGT | G.T. |
| 95 | Waddell / Boss / Valentine / Volk | TRV Motorsport | | Riley & Scott | Mk III | | Chevrolet | SR | S.R. |
| 96 | Foster / *Arbisman / *White / *Lewis / *Nagel / *Coker | Nucap | | Porsche | 996 GT3 Cup | | Porsche | GTU | G.T. |
| 97 | Schmidt / Conkel / Woodman / Schmidt | Schmidt Brothers | Schmidt Brothers | Porsche | 993 Carrera | RSR | Porsche | GTU | G.T. |
| 98 | Jones / *Michaelian / *Feinstein / *Klusendorf, Jr. / *Thiel | Finstine Racing | | Porsche | 996 GT3 Cup | | Porsche | GTU | G.T. |
| 99 | Snow / O'Steen / Hayner / Schumacher | Schumacher Racing (USA) | Larry Schumacher | Porsche | 993 GT2 | | Porsche | GTO | G.T. |