Season | Class | Drivers' Champion | Constructors' Champion |
---|---|---|---|
1992 | C1 | Kazuyoshi Hoshino | Nissan |
C | Geoff Lees | Toyota | |
1991 | Kazuyoshi Hoshino | Nissan | |
1990 | Masahiro Hasemi | Nissan | |
1989 | Kunimitsu Takahashi | Porsche | |
1988 | Hideki Okada | Porsche | |
1987 | Kunimitsu Takahashi | Porsche | |
1986 | Kunimitsu Takahashi | Porsche | |
1985 | Kunimitsu Takahashi | Porsche | |
1984 | Naoki Nagasaka | Lotec-BMW | |
1983 | Vern Schuppan | Porsche |