PORSCHE RACING HISTORYHelmuth Koinigg (A)
1974
24 March 1974 - Le Mans Test - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 10 | Porsche 911 Carrera RSR Turbo | 911 460 9101 R12 | S3.0 | Helmuth Koinigg (A) | Martini Racing (D) | 6th | 6th |
24 March 1974 - Le Mans 4 Hours - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 10 | Porsche 911 Carrera RSR Turbo | 911 460 9101 R12 | S3.0 | Helmuth Koinigg (A) | Martini Racing (D) | DNF | 4th | 4 laps |
16 June 1974 - Le Mans 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 21 | Porsche 911 Carrera RSR Turbo | 911 460 9101 R12 | S3.0 | Manfred Schurti (FL)/Helmuth Koinigg (A) | Martini Racing Porsche System (D) | DNF | 11th | 87 laps - Engine |