2021
Fanatec GT2 European Series - Am class
2nd
2008
24 Hours of the Nürburgring - Class SP3T
1st
2007
ADAC 24 Hours of the Nürburgring - SP6
1st
2005
ADAC 24 Hours of the Nürburgring - Overall
2nd
2005
ADAC 24 Hours of the Nürburgring - E1
1st
2004
ADAC 24 Hours of the Nürburgring - Overall
1st
1996
24 Hours of Le Mans - LMGT1
1st
1995
Le Mans 24 Hours - Class WSC
2nd
1994
24 Hours of Le Mans - LMGT1
2nd
1993
IMSA Supercar Championship
1st
1989
IMSA GT Championship - GTO
3rd
1989
24 Hours of Le Mans - C1
3rd
1986
World Sportscar Championship
2nd
1986
12 Hours of Sebring
1st
1985
FIA World Endurance Championship
1st
1985
24 Hours of Le Mans - General Classification
3rd
1980
DRM Deutsche Rennsport Meisterschaft
2nd
1978
6 Hours of Watkins Glen - World Sports Car
3rd
1975
Kyalami 1000 km - Division 2
1st
1974
21° Grand Prix de Rouen-les-Essarts - Formule 2
1st
1972
DRM Deutsche Rennsport Meisterschaft
1st
1972
24 Hours of Spa-Francorchamps
1st
1937
5° Grand Prix of Rio de Janeiro - Formule Libre
2nd