PORSCHE RACING HISTORYJean-Claude Lagniez (F)
1971 : Le Mans 3 Hours - 1st in class : Coupes de Vitesse - 1st in class
18 April 1971 - Le Mans 3 Hours - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 38 | Porsche 911 S | GT+2.0 | Pierre Mauroy (F)/Jean-Claude Lagniez (F) | Pierre Mauroy | 4th | 1st | 12th | 40 laps |
18 April 1971 - Le Mans Test - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 38 | Porsche 911 S | GT+2.0 | Jean-Claude Lagniez (F) | Pierre Mauroy | 16th | 4th |
9 May 1971 - Coupes de Vitesse - Championnat de France des Circuits
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 42 | Porsche 911 | Gr.3 | Jean-Claude Lagniez (F) | G.A.R.A.C. | 8th | 1st | 16 laps |
13 June 1971 - Le Mans 24 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 37 | Porsche 911 S | 119 300 932 | GT+2.0 | Pierre Mauroy (F)/Jean-Claude Lagniez (F) | Pierre Mauroy (F) | DNF | 32nd | 78 laps - Gearbox |