| 1988 |
DTM debut |
| 1989 |
4th place DTM |
| 1990 |
3rd place DTM |
| 1991 |
2nd place DTM |
| 1992 |
1st place DTM |
| 1993 |
2nd place DTM |
| 1994 |
1st place DTM |
| 1995 |
1st place DTM and ITC |
| 1996 |
2nd place ITC |
| 1997 |
1st place FIA GT championship |
| 1998 |
1st place driver and team classification FIA GT championship |
| 1999 |
Participated in 24-hour race in Le Mans |
| 2000 |
1st place DTM |
| 2001 |
1st place DTM |
| 2002 |
2nd place DTM |
| 2003 |
1st place DTM |
| 2004 |
2nd place DTM |
| 2005 |
1st place DTM |
| 2006 |
1st place DTM |
| 2007 |
2nd place DTM |
| 2008 |
2nd place DTM |
| 2009 |
1st place DTM assessment team 2nd place DTM drivers assessment |
| 2010 |
1st place DTM assessment team 1st place DTM drivers assessment |
