PORSCHE RACING HISTORYEberhard Sindel (D)
1975
1 June 1975 - Nürburgring 1000 Km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 68 | Porsche 911 Carrera RSR | 911 460 9078 | GT+1.6 | Eberhard Sindel (D)/Edgar Dören (D) | Rallye-Gemeinschaft Ulm (D) | 16th | 6th | 42nd | 38 laps |
17 August 1975 - DRM Kassel-Calden - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 70 | Porsche 911 Carrera RSR | 911 460 9078 | Div.1 | Eberhard Sindel (D) | Renngemeinschaft Ulm (D) | DNF | 17th | 6 laps |
28 September 1975 - DRM Hockenheim Preis von Baden-Württemberg - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| Porsche 911 Carrera RSR | 911 460 9078 | Div.1 | Eberhard Sindel (D) | RG Ulm (D) | 9th | 9th | 12th | 24 laps |
19 October 1975 - Zolder [GT/T+2.0] - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 11 | Porsche 911 Carrera RSR | 911 460 9078 | T/GT+2.0 | Eberhard Sindel (D) | Rallyegemeinschaft Ulm e. V. im ADAC (D) | 6th | 6th |
29 November 1975 - Rheintal Hockenheim [GT] - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| Porsche 911 Carrera RSR | 911 460 9078 | GT+2.0 | Eberhard Sindel (D) | RG Ulm (D) | 7th | 7th |