| 00 | Goueslard / Ortelli / Leconte | Larbre Competition (F) | | Porsche | 993 GT2 | | Porsche | LM GT2 | GT2 |
| 04 | Morton / Fellows / Graham | CJ Motorsport (CDN) | John Graham | Porsche | 993 GT2 | R | Porsche | GT2 | GT2 |
| 07 | Nielsen / Bundy / Tinseau | Panoz Motorsports (USA) | Don Panoz | Panoz | GTR-1 | | | LM GT1 | GT1 |
| 1 | Cunningham / Simo / Borcheller / Quiros | Prototype Technology Group (USA) | | BMW | M3 | E36 | BMW | GT3 | GT3 |
| 4 | Pruett / Bernard / Brabham / Wallace | Panoz Motorsports (USA) | Don Panoz | Panoz | GTR-1 | | Ford | GT1 | GT1 |
| 5 | Bernard / O'Connell / Davies | Panoz Motorsports (USA) | Don Panoz | Panoz | GTR-1 | | Ford | GT1 | GT1 |
| 6 | Bentley / Law / Shafer / Besnard | Prototype Technology Group (USA) | | BMW | M3 | E36 | BMW | GT3 | GT3 |
| 7 | van de Poele / Taylor / Collard | Doyle-Risi Racing (USA) | | Ferrari | 333 SP | | Ferrari | LMP1 | WSC |
| 8 | Leitzinger / Schubot / Camferdam | Transatlantic Racing Services (USA) | | Riley & Scott | Mk III | | Ford | WSC | WSC |
| 10 | Auberlen / Simo / Pilgrim | Prototype Technology Group (USA) | | BMW | M3 | E36 | BMW | GT3 | GT3 |
| 12 | Halsmer / Pobst / *Lewis | T. C. Kline (USA) | T. C. Kline | BMW | M3 | E36 | BMW | GT3 | GT3 |
| 21 | Beltoise / Gache / Policand | Philippe Gache (F) | | Riley & Scott | Mk III | | Ford | LMP1 | WSC |
| 23 | Collins / *Havens / *Wagner | Alex Job Racing (USA) | | Porsche | 993 Carrera | RSR | Porsche | GT3 | GT3 |
| 26 | McNish / Dalmas / Alzen | Porsche AG (D) | | Porsche | 911 GT1-98 | | Porsche | LM GT1 | GT1 |
| 27 | Theys / *Lienhard / *Baldi | Doran Enterprises, Inc. (USA) | | Ferrari | 333 SP | | Ferrari | WSC | WSC |
| 28 | Field / Schroeder / DeSoto / Mirro | Martin Dixon Intersport Management (USA) | | Riley & Scott | Mk III | | Ford | WSC | WSC |
| 29 | Brown / Dromm / *Mucha / *Gregg | Martin Dixon Intersport Management (USA) | | Riley & Scott | Mk III | | Ford | WSC | WSC |
| 38 | Boutsen / Wollek / Kelleners | Dave Maraj (USA) | | Porsche | 911 GT1 | Evo | Porsche | LM GT1 | GT1 |
| 39 | Murry / Matthews / Haywood | Matthews-Colucci Racing (USA) | | Riley & Scott | Mk III | | Ford | WSC | WSC |
| 59 | Vann / Becker / *Euser | Marcos Racing International (NL) | | Marcos | Mantara | LM600 | Chevrolet | LM GT2 | GT2 |
| 63 | Katz / Downing / Terada | Yojiro Terada (J) | Yojiro Terada | Kudzu | DLY | | Mazda | LMP1 | WSC |
| 68 | Varde / Foster / *Coker / *White | Charles Coker, Jr. (USA) | Charles Coker, Jr. | Porsche | 968 | Turbo RS | Porsche | GT2 | GT2 |
| 72 | Konrad / Lammers | Konrad Motorsport (D) | Franz Konrad | Porsche | 993 GT2 | R | Porsche | LM GT2 | GT2 |
| 73 | Zadra / Kitchak / Slater | Konrad Motorsport (D) | Franz Konrad | Porsche | 993 GT2 | | Porsche | LM GT2 | GT2 |
| 75 | Worth / Sansone | Cameron Worth | Cameron Worth | Mazda | RX-7 | Turbo | Mazda | GT2 | GT2 |
| 76 | Argetsinger / Polidori / Cilli | Richard Raimist (USA) | Richard Raimist | Porsche | 993 Carrera | RSR | Porsche | GT3 | GT3 |
| 77 | Alboreto / Johansson / Müller | Porsche AG (D) | | Porsche | LMP1/98 | | Porsche | LMP1 | WSC |
| 81 | Ligonnet / Stewart | Freisinger Motorsport (D) | | Porsche | 993 GT2 | | Porsche | LM GT2 | GT2 |
| 86 | Tremblay / Marshall / Marshall | G & W Motorsports (USA) | | Porsche | 993 Carrera | RSR | Porsche | GT3 | GT3 |
| 88 | Lazzaro / Davies / Dollahite | Bill Dollahite (USA) | | Ferrari | 333 SP | | Ferrari | WSC | WSC |
| 93 | Taleb / *Collado / *Wilson | Henry Taleb (EC) | Henry Taleb | Nissan | 240SX | | Nissan | GT3 | GT3 |