PORSCHE RACING HISTORYPeter Mattli (CH)
1971 : Le Mans 24 Hours - 1st in class
25 April 1971 - Monza 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 21 | Porsche 908/02 | 908/02-010 | P3.0 | André Wicky (CH)/Ernesto Brambilla (I)/Peter Mattli (CH) | Wicky Racing Team (CH) | 10th | 4th | 20th | 144 laps |
25 April 1971 - Monza 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 26 | Porsche 910 Spyder | S2.0 | Willy Meier (D)/Peter Mattli (CH) | Wicky Racing Team (CH) | DNF | 25th | 8 laps - Accident |
13 June 1971 - Le Mans 24 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 49 | Porsche 907 | 907-031 | P2.0 | Walter Brun (CH)/Peter Mattli (CH) | André Wicky Racing Team (CH) | 7th | 1st | 24th | 306 laps |