PORSCHE RACING HISTORYEdgar Dören (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 |
28 September 1975 - DRM Hockenheim Preis von Baden-Württemberg - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 107 | Porsche 914/6 | 914 043 0165 | Div.II | Edgar Dören (D) | Bergischer MC e.V. im ADAC (D) | 10th | 10th | 18th | 24 laps |