PORSCHE RACING HISTORYPierre Greub (CH)
1971 : Spa 1000 km - 2nd in class : Targa Florio - 3rd in class
18 April 1971 - Le Mans 3 Hours - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 43 | Porsche 911 S | GT+2.0 | Sylvain Garant (F)/Pierre Greub (CH) | Pierre Greub | 13th | 7th | 18th | 36 laps |
18 April 1971 - Le Mans Test - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 43 | Porsche 911 S | GT+2.0 | Pierre Greub (CH) | Pierre Greub | 20th | 7th |
9 May 1971 - Spa 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 43 | Porsche 911 S | GT+2.0 | Pierre Greub (CH)/Jean-Claude Guérie (F) | Pierre Greub | 11th | 2nd | 27th | 52 laps |
16 May 1971 - Targa Florio - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 47 | Porsche 911 S | GT+2.0 | Sylvain Garant (F)/Pierre Greub (CH) | Pierre Greub | 8th | 3rd | 21st | 10 laps |
30 May 1971 - Nürburgring 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 78 | Porsche 911 S | GT+2.0 | Pierre Greub (CH)/Jean-Claude Guérie (F) | Porsche Club Romand (CH) | 17th | 4th | 25th | 35 laps |
13 June 1971 - Le Mans 24 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 35 | Porsche 911 S | GT+2.0 | Sylvain Garant (F)/Pierre Greub (CH) | Pierre Greub (CH) | DNF | 31st | 196 laps - Camshaft |