PORSCHE RACING HISTORY911 S
1975
2 February 1975 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 60 | Porsche 911 S | GTU | Rusty Bond (USA)/George Rollin (USA)/John Belperche (USA) | Rusty Bond | 10th | 1st | 32nd | 567 laps | |
| 34 | Porsche 911 S | GTU | George Drolsom (USA)/Bob Nagel (USA) | George Drolsom (USA) | 13th | 2nd | 29th | 558 laps | |
| 44 | Porsche 911 S | GTU | John Freyre (USA)/Albert Naon (USA)/Tony Garcia (USA) | Delta Racing | 16th | 4th | 50th | 542 laps | |
| 45 | Porsche 911 S | GTU | Armando Ramirez (USA)/Camilo Mutiz (CO)/Juan Montalvo (C)/Mandy Alvarez (USA) | Delta Racing | 23rd | 6th | 39th | 435 laps - DNF | |
| 89 | Porsche 911 S | GTU | Don Parish (USA)/Tom Countryman (USA)/Jim Secher (USA) | Barrick Motor Racing (USA) | 40th | 12th | 33rd | 158 laps - DNF | |
| 84 | Porsche 911 S | GTU | Klaus Selbert (USA)/David Biggs (USA) | Klaus Selbert | 41st | 13th | 45th | 151 laps - DNF | |
| 16 | Porsche 911 S | GTU | Paul Spruell (USA)/Bill Bean (USA) | Bill Bean | 48th | 14th | 38th | 35 laps |
20 July 1975 - Diepholz [GT] - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| Porsche 911 S | GT+2.0 | Preben Kristoffersen (DK) | 5th | 5th |
20 July 1975 - Targa Florio - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 47 | Porsche 911 S | GT+2.0 | Antonio Garufi (I)/Guido Garufi (I) | 33rd | 10th | 50th | |||
| 48 | Porsche 911 S | GT+2.0 | Francesco Mannino (I)/Giuseppe Virgilio (I) | DNF |
17 August 1975 - DRM Kassel-Calden - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 73 | Porsche 911 S | Div.1 | Peter Pospieszczyk (D) | Peter Pospieszczyk (D) | 14th | 14th | 22nd | 32 laps |
31 August 1975 - DRM Hockenheim Preis der Nationen - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 33 | Porsche 911 S | GT+2.0 | Heinz Grieder (CH) | Formel Rennsport Club (CH) | 7th |