PORSCHE RACING HISTORYPorsche 911 Carrera RSR - Chassis No. 911 560 9117
20 April 1975 - Monza 1000 Km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 76 | Porsche 911 Carrera RSR | 911 560 9117 | GT3.0 | Helmut Kelleners (D)/Hans Heyer (D) | Jägermeister Kremer Racing (D) | DNF | 28th | 62 laps - Piston Rings |
1 June 1975 - Nürburgring 1000 Km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 55 | Porsche 911 Carrera RSR | 911 560 9117 | GT+1.6 | Hans Heyer (D)/Bob Wollek (F)/Reinhardt Stenzel (D) | Jägermeister-Kremer-Team (D) | DNF | 30th | 23 laps - DNF |
15 June 1975 - Le Mans 24 Hours - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 65 | Porsche 911 Carrera RSR | 911 560 9117 | GTS | Billy Sprowls (USA)/Juan Carlos Bolaños (MEX)/Andres Contreras (MEX) | Porsche Kremer Racing Team (D) | 9th | 5th | 24th | 304 laps |