| 1 | Brundle / Cheever / *Nielsen | Silk Cut Jaguar (GB) | | Jaguar | XJR-9 | | Jaguar | C1 |
| 2 | Lammers / Dumfries | Silk Cut Jaguar (GB) | | Jaguar | XJR-9 | | Jaguar | C1 |
| 7 | Wollek / Grohs | Joest Racing (D) | Reinhold Jöst | Porsche | 962 | C | Porsche | C1 |
| 8 | Jelinski / "Winter" | Joest Racing (D) | | Porsche | 962 | C | Porsche | C1 |
| 10 | Weidler / Reuter | Porsche Kremer Racing (D) | | Porsche | 962 | CK6 | Porsche | C1 |
| 11 | Larrauri / Giacomelli | Leyton House with Porsche Kremer (D) | | Porsche | 962 | CK6 | Porsche | C1 |
| 17 | Cobb / Ludwig | Omron Porsche AG (D) | | Porsche | 962 | C | Porsche | C1 |
| 20 | Lee-Davey / Dodd-Noble / Iketani | Team Davey (GB) | Tim Lee-Davey | Porsche | 962 | C | Porsche | C1 |
| 23 | Hoshino / Takahashi / Grice | Nissan Motorsports (J) | | Nissan | R88C | | Nissan | C1 |
| 25 | Takahashi / Mogi | Advan Alpha Nova (J) | Yasutsune Chiba | Porsche | 962 | C | Porsche | C1 |
| 27 | Okada / Dickens | From A Racing (J) | | Porsche | 962 | C | Porsche | C1 |
| 28 | Nagasaka / Hoshino / Kageyama | Leyton House Racing Team (J) | | Porsche | 962 | C | Porsche | C1 |
| 32 | Hasemi / Suzuki | Nissan Motorsports (J) | | Nissan | R88C | | Nissan | C1 |
| 33 | Bell / Redman | Takefuji Racing Team (AUS) | | Porsche | 962 | C | Porsche | C1 |
| 36 | Lees / Sekiya / Suzuki | Toyota Team Tom's (J) | | Toyota | 88C-V | | Toyota | C1 |
| 36T | Lees / Sekiya / Suzuki | Toyota Team Tom's (J) | | Toyota | 88C | | Toyota | C1 |
| 37 | Johansson / Barilla / Ogawa | Toyota Team Tom's (J) | | Toyota | 88C-V | | Toyota | C1 |
| 45 | Gilbert-Scott / Andskar | Auto Beaurex Motorsport (J) | | Toyota | 87C | | Toyota | C1 |
| 50 | Donnelly / Dauer / Sasaki | SARD (J) | | SARD | MC88S | | Toyota | C1 |
| 61 | Schlesser / Mass / Acheson | Team Sauber Mercedes (CH) | Peter Sauber | Sauber | C9 | /88 | Mercedes | C1 |
| 62 | Baldi / Streiff | Team Sauber Mercedes (CH) | Peter Sauber | Sauber | C9 | /88 | Mercedes | C1 |
| 77 | Needell / Moretti / Huysman | Memorex Telex Racing Team (D) | Günther Gebhardt | Porsche | 962 | C | Porsche | C1 |
| 85 | Suzuki / Morimoto | Person's Racing Team (Team Le Mans) (J) | | March | 88S | | Nissan | C1 |
| 86 | Wada / Olofsson | Italya Racing Team (Team Le Mans) (J) | | March | 88S | | Nissan | C1 |
| 99 | Elgh / Sandro Sala | Rothmans Porsche Team Schuppan (AUS) | | Porsche | 962 | C | Porsche | C1 |
| 100 | Fouché / Schuppan / van der Merwe | Trust Racing Team (J) | Masamitsu Hayakawa | Porsche | 962 | C GTi | Porsche | C1 |
| 100T | Schuppan / Fouché / van der Merwe | Trust Racing Team (J) | Masamitsu Hayakawa | Porsche | 962 | C | Porsche | C1 |
| 103 | Salazar / Thyrring | BP Spice Engineering (GB) | | Spice | SE88C | | Ford | C2 |
| 106 | Randaccio / Veninata | Kelmar (I) | | Tiga | GC288 | | Ford | C2 |
| 107 | Ricci / Ballot-Léna / Khan | Chamberlain Engineering (GB) | | Spice | SE88C | | Ford | C2 |
| 111 | Spice / Bellm | BP Spice Engineering (GB) | | Spice | SE88C | | Ford | C2 |
| 121 | Los / Hessert | Cosmik GPM (GB) | | Spice | SE87C | | Ford | C2 |
| 127 | Abrahams / Murphy / Khan | Chamberlain Engineering (GB) | Hugh Chamberlain | Spice | SE86C | | Hart | C2 |
| 171 | Fukuyama / Yoneyama / Misaki | British Barn Racing Team (J) | | JTK | 63C | | Ford | C2 |
| 201 | Dieudonné / Yorino / Katayama | Mazdaspeed (J) | | Mazda | 767 | | Mazda | GTP |
| 202 | Terada / Kennedy | Mazdaspeed (J) | | Mazda | 767 | | Mazda | GTP |
| 230 | Shiratori / Fujii / Fujieda | Shizumatsu Racing (J) | | Mazda | 757 | | Mazda | GTP |