| SEASON | DRIVERS |
|---|---|
| 1984 | Manfred Winkelhock , Gerhard Berger |
| 1983 | Manfred Winkelhock |
| 1982 | Manfred Winkelhock , Eliseo Salazar |
| 1981 | Jan Lammers , Slim Borgudd |
| 1980 | Harald Ertl , Jan Lammers , Marc Surer |
| 1979 | Hans-Joachim Stuck |
| 1978 | Jean-Pierre Jarier , Jochen Mass , Harald Ertl , Hans Binder , Michael Bleekemolen , Keke Rosberg , Alberto Colombo |
| 1963 | Phil Hill , Giancarlo Baghetti |