PORSCHE RACING HISTORYClaude Haldi (CH)
1983 : Nürburgring 1000 km - 2nd in class
29 May 1983 - Nürburgring 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 113 | Porsche 924 Carrera GTS | B | Klaus Utz (D)/Claude Haldi (CH) | Autax Motor + Sport | 8th | 2nd | 17th | 37 laps |
19 June 1983 - Le Mans 24 Hours - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 94 | Porsche 930 | 930 970 0069 | B | Claude Haldi (CH)/Günther Steckkönig (D)/Bernd Schiller (D) | Claude Haldi | DNF | 46th | Piston |