Kraj:
Austria
Data urodzenia:1951-06-08 (69 lat 205 dni)
Miejsce urodzenia:Graz
Ilość zwycięstw:22
| Zwycięstwa wg roku | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
1
1981
|
2
1982
|
3
1983
|
1984
|
1985
|
1986
|
1987
|
1988
|
1989
|
1990
|
1991
|
1992
|
1
1993
|
1994
|
1995
|
2
1996
|
6
1997
|
3
1998
|
1999
|
2000
|
3
2001
|
1
2002
|
| LP | Tor | Ilość zwycięstw |
|---|---|---|
| 1 |  Nürburgring |
4 |
| 2 |  Sebring |
3 |
| 3 | Laguna Seca |
3 |
| 4 | Watkins Glen |
2 |
| 5 | Hockenheimring |
1 |
| 6 | Kaufbeuren |
1 |
| 7 | Diepholz |
1 |
| 8 |  Brands Hatch |
1 |
| 9 |  Nogaro |
1 |
| 10 | Sears Point |
1 |
| 11 |  Mosport Park |
1 |
| 12 | Pikes Peak |
1 |
| 13 | Daytona |
1 |
| 14 |  Jarama |
1 |
| LP | Producent | Ilość zwycięstw |
|---|---|---|
| 1 | Porsche |
12 |
| 2 | Saleen |
4 |
| 3 | March |
3 |
| 4 |  Anson |
2 |
| 5 | Marcos |
1 |
| LP | Partner | Ilość zwycięstw |
|---|---|---|
| 1 | Nick Ham |
6 |
| 2 | Bob Wollek |
3 |
| 3 | Wido Rössler |
2 |
| 4 |  Toni Seiler |
2 |
| 5 | Terry Borcheller |
2 |
| 6 | Frank Katthöfer |
1 |
| 7 |  Örnulf Wirdheim |
1 |
| 8 |  Tonico de Azevedo |
1 |
| 9 |  Stéphane Ortelli |
1 |
| 10 | Michel Ligonnet |
1 |
| 11 |  Angelo Zadra |
1 |
| 12 | Peter Kitchak |
1 |
| 13 |  Jan Lammers |
1 |
| 14 | Oliver Gavin |
1 |
| 15 | Walter Brun |
1 |
| 16 | Chris Bingham |
1 |
| 17 |  Dariusz Grala |
1 |