| 2 | Melo / Morbidelli / Piccini / Delétraz | G.P.C. Sport (I) | Giampaolo Coppi | Ferrari | 575 Maranello | GTC | Ferrari | GT1 |
| 3 | Lémeret / Deman / Belloc / Livio | G.P.C. Sport (I) | Giampaolo Coppi | Ferrari | 575 Maranello | GTC | Ferrari | GT1 |
| 6 | Hezemans / Bleekemolen / Longin / Kumpen | GLPK Racing (B) | Paul Kumpen/Toine Hezemans | Chevrolet | Corvette C5 | -R | Chevrolet | GT1 |
| 8 | Erdos / Newton / Mallock / Bennett | Graham Nash Motorsport (GB) | Graham Nash | Saleen | S7-R | | Ford | GT1 |
| 9 | Scheider / Bartels / van de Poele | Vitaphone Racing Team (D) | Michael Bartels | Maserati | MC12 | GT1 | Maserati | GT1 |
| 10 | Biagi / Babini / Davies | Vitaphone Racing Team (D) | Michael Bartels | Maserati | MC12 | GT1 | Maserati | GT1 |
| 11 | Bouchut / Vosse / Gardel / Mollekens | Larbre Compétition (F) | Jack Leconte | Ferrari | 550 Maranello | GTS | Ferrari | GT1 |
| 12 | Zacchia / Calderari / Bryner / Bouvy | Larbre Compétition (F) | Jack Leconte | Ferrari | 550 Maranello | GTS | Ferrari | GT1 |
| 14 | Keen / Halliday / Moller / Verdon-Roe | Lister Racing (GB) | Brian Lister | Lister | Storm | GTM | Jaguar | GT1 |
| 15 | Bertolini / Wendlinger / Peter | JMB Racing (MC) | Jean-Michel Bouresche | Maserati | MC12 | GT1 | Maserati | GT1 |
| 16 | Kutemann / van der Zwaan / van der Zwaan | JMB Racing (MC) | Jean-Michel Bouresche | Maserati | MC12 | GT1 | Maserati | GT1 |
| 17 | Vasiliev / Minassian / Campbell-Walter / Fomenko | Russian Age Racing (RUS) | Robert Schirle | Ferrari | 550 Maranello | GTS | Ferrari | GT1 |
| 22 | Menten / Cayrolle / Duez / Hernandez | Renstal Excelsior (B) | Patrick Selleslagh | Chevrolet | Corvette C5 | -R | Chevrolet | GT1 |
| 28 | Turner / Sarrazin / Brabham | Aston Martin (GB) | David Richards | Aston Martin | DBR9 | | Aston Martin | GT1 |
| 29 | Kox / Lamy / Goossens | Aston Martin (GB) | David Richards | Aston Martin | DBR9 | | Aston Martin | GT1 |
| 55 | Maassen / Cunningham / Collins | Embassy Racing (GB) | Jonathan France | Porsche | 996 GT3-RSR | | Porsche | GT2 |
| 56 | De Castro / Konôpka / Vonka | Czech National Team (CZ) | Jan Vonka | Porsche | 996 GT3-R | | Porsche | GT2 |
| 66 | Lieb / Rockenfeller / Luhr | Gruppe M Racing (GB) | Kenny Chen | Porsche | 996 GT3-RSR | | Porsche | GT2 |
| 67 | Groppi / Camathias / Moccia | Autorlando Sport (I) | Orlando Redolfi | Porsche | 996 GT3-RSR | | Porsche | GT2 |
| 69 | Ried / Felbermayr / Ried / Felbermayr, Jr. | Proton Competition (D) | Gerold Ried | Porsche | 996 GT3-RS | | Porsche | GT2 |
| 74 | Busnelli / Jacoma / Sonvico / Rapetti | Ebimotors (I) | Simone Petri | Porsche | 996 GT3-RS | | Porsche | GT2 |
| 88 | Sugden / Collard / Ortelli | Gruppe M Racing (GB) | Kenny Chen | Porsche | 996 GT3-RSR | | Porsche | GT2 |
| 105 | Leinders / d'Ambrosio / Kuppens / Delcour | Belgian Racing (B) | Tony Gillet | Gillet | Vertigo Streiff | | Alfa Romeo | G2 |
| 106 | Beltoise / Coens / Blanchemain | PSI Motorsport (B) | Christian Schumacher | Porsche | 996 GT3-RS | | Porsche | G2 |
| 107 | Giudici / Raimondi / Romanini | Gianni Giudici (I) | Gianni Giudici | Maserati | Trofeo Light | | Maserati | G2 |
| 108 | Tenchini / Riolo / Model / Cerati | Autorlando Sport (I) | Orlando Redolfi | Porsche | 996 GT3-RS | | Porsche | G2 |
| 111 | Nef / Chaillet / Morlet | Patrick Chaillet (B) | Patrick Chaillet | Porsche | 996 GT3 Cup | | Porsche | G2 |
| 112 | Levy / Brouard / Levy / Nozière | Jean Charles Levy (F) | Jean-Charles Levy | Porsche | 996 GT3 Cup | | Porsche | G3 |
| 115 | Muytjens / Coenen / Grouwels | EBRT (B) | Andre van Hoof | Porsche | 996 GT3 Cup | | Porsche | G2 |
| 121 | de Radigues / Labhardt / Virenque / Prette | Didier De Radigues (B) | Philippe Alliot | Chrysler | Viper | GTS-R | Chrysler | G2 |
| 123 | Ickx / Hemroulle / Bermes / Reis | Mühlner Motorsport (B) | Bernhard Muehlner | Porsche | 996 GT3 Cup | | Porsche | G3 |
| 124 | Fumal / Mattheus / Van Bellingen / Geoffroy | Mühlner Motorsport (B) | Bernhard Muehlner | Porsche | 996 GT3 Cup | | Porsche | G3 |
| 170 | Lambert / Palttala / Lefort / André | Ice Pol Racing (B) | Yves Lambert/Christian Lefort | Porsche | 996 GT3-RSR | | Porsche | G2 |
| 173 | Stépec / Cohignac / Baron / Corbel | Olivier Baron (F) | Olivier Baron | Porsche | 996 GT3-R | | Porsche | G2 |
| 175 | Khan / Belmondo / De Pauw / Van den Hover | Ian Khan (GB) | Ian Khan | Porsche | 996 GT3-R | | Porsche | G2 |
| 190 | Cloet / De Laet / de Gastines / Van Rossem | Nicolas de Gastines (B) | Pino Sperlinga | Porsche | 996 GT3-R | | Porsche | G2 |
| 191 | Penders / Lamot / Couwberghs | Renstal de Bokkenrijders (B) | Rudi Penders | Porsche | 996 GT3-RS | | Porsche | G2 |