PORSCHE RACING HISTORYRolf Stommelen (D)
1977 : Mugello 6 Hours - 1st overall : DRM Nürburgring 300 Km - 1st overall : DRM Norisring - 1st : DRM Hockenheim Grand Prix - 2nd
20 March 1977 - Mugello 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 2 | Porsche 935 | 935-002 | Gr.5 | Rolf Stommelen (D)/Manfred Schurti (FL) | Martini Racing (D) | 1st | 1st | 2nd | 161 laps |
27 March 1977 - DRM Nürburgring 300 Km - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 66 | Porsche 935 | 930 770 0908 | Div. I | Rolf Stommelen (D) | Gelo-Racing-Team Georg Loos KG (D) | 1st | 1st | 1st | 7 laps |
12 June 1977 - Le Mans 24 Hours - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 41 | Porsche 935/77 | 935-005 | Gr.5 | Rolf Stommelen (D)/Manfred Schurti (FL) | Martini Racing Porsche System (D) | DNF | 6th | 52 laps - Engine |
3 July 1977 - DRM Norisring - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 66 | Porsche 935 | 930 770 0908 | Div.I | Rolf Stommelen (D) | Gelo Racing Team Georg Loos Werbe KG (D) | 1st | 1st | 70 laps |
30 July 1977 - DRM Hockenheim Grand Prix - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 66 | Porsche 935 | 930 770 0908 | Div.I | Rolf Stommelen (D) | Gelo Racing Team Georg Loos Werbe KG (D) | 2nd | 3rd | 20 laps |