PORSCHE RACING HISTORYChassis No. 904-091
22 June 1965 - Le Mans 24 Hours - World Sports Car Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 36 | Porsche 904 GTS | 904-091 | GT2.0 | Gerhard Koch (D)/Anton Fischhaber (D) | Porsche System Engineering (D) | 5th | 1st | 34th | 325 laps |
6 February 1966 - Daytona 24 Hours - World Sports Car Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 17 | Porsche 904 GTS | 904-091 | S2.0 | Günther Klass (D)/Udo Schütz (D) | Porsche System Engineering (D) | 8th | 2nd | 26th | 610 laps |