1980 / Non-Championship - Sports / Teammates Comparison
Race
Qualifying
| Bernd Brutschin - Harald Brutschin | Team GS Sport | 1 - 0 | Klaus Ludwig - Klaus Niedzwiedz | Zakspeed Racing | 1 - 0 | Klaus Ludwig - Harald Ertl | Zakspeed Racing | 1 - 0 | Klaus Ludwig - Hans Soldeck | Zakspeed Racing | 1 - 0 | Klaus Ludwig - Wolfgang Boller | Zakspeed Racing | 1 - 0 | Klaus Niedzwiedz - Wolfgang Boller | Zakspeed Racing | 1 - 0 | Klaus Niedzwiedz - Harald Ertl | Zakspeed Racing | 1 - 0 | Klaus Niedzwiedz - Hans Soldeck | Zakspeed Racing | 1 - 0 | Harald Ertl - Wolfgang Boller | Zakspeed Racing | 1 - 0 | Harald Ertl - Hans Soldeck | Zakspeed Racing | 1 - 0 | Hans Soldeck - Wolfgang Boller | Zakspeed Racing | 1 - 0 |