PORSCHE RACING HISTORYOtto Altenbach (D)
1993 : Le Mans 24 Hours - 3rd in class
20 June 1993 - Le Mans 24 Hours - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 21 | Porsche 962 C | 962C-155 | Cat.2 | Otto Altenbach (D)/Jürgen Oppermann (D)/Loris Kessel (CH) | Obermaier Racing GmbH (D) | 7th | 3rd | 9th | 356 laps |