PORSCHE RACING HISTORYRalf-Dieter Schreiber (D)
1976 : DARM Zolder [T/GT+2.0] - 2nd in class
27 June 1976 - DARM Zolder [T/GT+2.0] - DARM - Deutscher Automobil-Rundstrecken-Pokal
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| Porsche 911 Carrera RS | Gr.3 | Ralf-Dieter Schreiber (D) | Ralf-Dieter Schreiber (D) | 6th | 2nd |
22 August 1976 - DRM Kassel Calden - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| Porsche 911 Carrera RS | Div.I | Ralf-Dieter Schreiber (D) | ADAC-Mitropa-Cup-Team Germany (D) | 8th | 8th | 9th | 37 laps |
31 October 1976 - Euro GT Hockenheim - European Championship for Grand Touring Cars
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 25 | Porsche 911 Carrera RS | GT3.0 | Ralf-Dieter Schreiber (D) | Ralf-Dieter Schreiber (D) | 12th | 4th | 27 laps |