1 | 1998 | Oschersleben | 96 | Proton Competition | Porsche 911 GT2 | Porsche PF636T | Horst Felbermayr Jr. | GT2 | 12 | 11 |
2 | 1999 | Oschersleben | 24 | RWS Motorsport | Porsche 911 GT2 | Porsche PF636T | Horst Felbermayr Jr. | GT | 14 | 11 |
3 | 2002 | Oschersleben | 17 | Proton Competition | Porsche 911 GT2 | Porsche PF636T | Giovanni Caligaris/Mauro Casadei/ | GT | 11 | |
4 | 2003 | Oschersleben | 86 | JvG Racing | Porsche 911 GT3 RS | Porsche M96/72 | Jürgen von Gartzen/Horst Felbermayr Jr./ | N-GT | 10 | 12 |
5 | 2006 | Oschersleben | 69 | Team Felbermayr-Proton | Porsche 996 GT3 RSR | Porsche B6 3.6 B6 | Gerold Ried | GT2 | 11 | 9 |