| 05 | Bingham / Gavin / Johnson | Park Place Racing/Fordahl Motorsports (USA) | | Saleen | S7-R | | Ford | GTS |
| 1 | Kristensen / *Capello | Audi Sport North America (D) | | Audi | R8 | | Audi | LMP900 |
| 2 | Pirro / Biela | Audi Sport North America (D) | | Audi | R8 | | Audi | LMP900 |
| 3 | Fellows / O'Connell / Pruett | Corvette Racing (USA) | | Chevrolet | Corvette C5 | -R | Chevrolet | GTS |
| 4 | Collins / Pilgrim / Fréon | Corvette Racing (USA) | | Chevrolet | Corvette C5 | -R | Chevrolet | GTS |
| 5 | de Radigues / Goddard / Lambert | Dick Barbour Racing (USA) | | Reynard | 01Q | | Judd | LMP675 |
| 6 | Stuck / Said / Auberlen | Prototype Technology Group (USA) | | BMW | M3 | E46 GTR | BMW | GT |
| 7 | Goossens / Collard / *Bernard | Team Cadillac (USA) | | Cadillac | Northstar LMP 01 | | Cadillac | LMP900 |
| 8 | Angelelli / Tinseau / Taylor | Team Cadillac (USA) | | Cadillac | Northstar LMP 01 | | Cadillac | LMP900 |
| 9 | Auberlen / Said | Prototype Technology Group (USA) | | BMW | M3 | E46 GT | BMW | GT |
| 10 | Murry / Jönsson / Cunningham | Prototype Technology Group (USA) | | BMW | M3 | E46 GTR | BMW | GT |
| 11 | Hürtgen / Knight / Hawkins | Roock-KnightHawk Racing (USA) | | Lola | B2K/40 | | Nissan | LMP675 |
| 12 | Lewis / Wagner / Mazzuoccola | Aspen Knolls/MCR (USA) | | Callaway | C12-R | | Chevrolet | GT |
| 15 | Willingham / Harvey / Hancock / *Higgins | Dick Barbour Racing (USA) | | Porsche | 996 GT3-R | | Porsche | GT |
| 16 | Weaver / Leitzinger / *Forbes-Robinson | Dyson Racing (USA) | | Riley & Scott | Mk III C | | Lincoln | LMP900 |
| 18 | Johansson / Lemarié | Johansson Motorsport (GB) | Stefan Johansson | Audi | R8 | | Audi | LMP900 |
| 19 | Steiner / Ellis / *Cooper | Brookspeed (GB) | | Chrysler | Viper | GTS-R | Chrysler | GTS |
| 21 | Devlin / Davis / Workman | Archangel Motorsport Services (USA) | Michael Johnson | Lola | B2K/40 | | Nissan | LMP675 |
| 22 | Menzel / Pobst | Alex Job Racing (USA) | Alex Job | Porsche | 996 GT3-RS | | Porsche | GT |
| 23 | Maassen / Luhr | Alex Job Racing (USA) | | Porsche | 996 GT3-RS | | Porsche | GT |
| 25 | Seiler / Brun | Konrad Motorsport (D) | | Saleen | S7-R | | Ford | GTS |
| 26 | Konrad / Borcheller / Slater | Konrad Team Saleen (D) | | Saleen | S7-R | | Ford | GTS |
| 29 | Earle / Hayden / Hayden | Sebah Automotive Limited (GB) | Hugh Hayden | Porsche | 996 GT3-R | | Porsche | GT |
| 30 | Mowlem / Boullion / Fitzgerald / *Petersen | Petersen Motorsports (USA) | | Porsche | 996 GT3-RS | | Porsche | GT |
| 31 | McMurry / Arsenault / Willman | Team Bucknum Racing (USA) | | Pilbeam | MP84 | | Nissan | LMP675 |
| 32 | Gabel / Schultheis / Lowman | Orbit (USA) | | Porsche | 996 GT3-RS | | Porsche | GT |
| 33 | Franchitti / Burt / Kelleners | MSB Motorsport (USA) | | Ferrari | 360 Modena | GT | Ferrari | GT |
| 34 | Hindery / Kester / Baron | Orbit (USA) | | Porsche | 996 GT3-RS | | Porsche | GT |
| 35 | Millman / Byrne | Orbit (USA) | Rodger Hawley | Porsche | 996 GT3-RS | | Porsche | GT |
| 36 | Goddard / Dayton | Intersport Racing (USA) | | Lola | B2K/10 | | Judd | LMP900 |
| 37 | Field / Sutherland / Neuhaus | Intersport Racing (USA) | | Lola | B2K/10 | B | Judd | LMP900 |
| 38 | Herbert / Wallace | Champion Racing (USA) | Dave Maraj | Audi | R8 | | Audi | LMP900 |
| 39 | Gene / *Schroeder / *Delétraz | Racing Organisation Course (F) | | Reynard | 2KQ | | VW | LMP675 |
| 40 | | Racing Organisation Course (F) | | Reynard | 2KQ | | VW | LMP675 |
| 42 | Lehto / Ekblom / Wendlinger | BMW Motorsport (D) | | BMW | M3 | E46 GTR | BMW | GT |
| 43 | Müller / Müller | BMW Motorsport (D) | | BMW | M3 | E46 GTR | BMW | GT |
| 44 | Allen / Weickardt / Fairbanks | American Viperacing (USA) | | Dodge | Viper | GTS-R | Dodge | GTS |
| 45 | Hezemans / Kumpen | American Viperacing (USA) | | Dodge | Viper | GTS-R | Dodge | GTS |
| 47 | Warner / Lowman | Broadfoot Racing (USA) | | Porsche | 996 GT3-R | | Porsche | GT |
| 50 | Magnussen / Brabham | Panoz Motor Sports (USA) | Don Panoz | Panoz | LMP-1 Roadster S | | Elan | LMP900 |
| 51 | Graf / *Lagorce | Panoz Motor Sports (USA) | Don Panoz | Panoz | LMP-1 Roadster S | | Elan | LMP900 |
| 52 | Burgess / Plumb / Buttiero | Seikel Motor Sport (D) | Peter Seikel | Porsche | 996 GT3-RS | | Porsche | GT |
| 57 | Maxwell / Duno / Graham | Dick Barbour Racing (USA) | Dick Barbour | Reynard | 01Q | | Judd | LMP675 |
| 62 | Spencer / Grupp | Team Spencer Motorsports (USA) | | Lola | B2K/40 | | Mazda | LMP675 |
| 69 | Foster / Wankum / Bundy | Kyser Racing (CDN) | | Porsche | 996 GT3-R | | Porsche | GT |
| 75 | Jeannette / Policastro, Jr. / Policastro | Gunnar Racing (USA) | | Porsche | 996 GT3-RS | | Porsche | GT |
| 88 | Kox / Rydell / *Duez | Prodrive Allstars (GB) | | Ferrari | 550 Maranello | GTS | Ferrari | GTS |