1 | 1997 | A1-Ring | 65 | RWS Motorsport | Porsche 911 GT2 | Porsche PF636T | Benno Rottenfusser/Raffaele Sangiuolo/ | GT2 | 5 | |
2 | 2000 | A1-Ring | 77 | RWS / Red Bull Racing | Porsche 911 GT3 R | Porsche PF636 | Dieter Quester | N-GT | 4 | |
3 | 2001 | A1-Ring | 77 | RWS Motorsport | Porsche 911 GT3 RS | Porsche M96/77 | Dieter Quester | N-GT | 1 |