| 1989 | 1991 | 1992 | 1993 |
Champions 1988 Mika Häkkinen (Fin) Dragon Motorsport Vauxhall Lotus 1989 Peter Kox (Ned) Opel Dealer Team Holland Opel Lotus 1990 Rubens Barrichello (Bra) Scuderia Salvati Team Draco Opel Lotus 1991 Pedro Lamy (Por) Draco Racing Opel Lotus 1992 Gareth Rees (Gbr) David Sears Motorsport Vauxhall Lotus 1993 Patrick Crinelli (Ita) Draco Racing Formula Opel 1994 Marco Campos (Bra) Draco Racing Formula Opel 1995 Jason Watt (Den) Opel Dealer Team Holland Formula Opel 1996 Bas Leinders (Bel) Van Amersfoort Racing Formula Opel 1997 Marcello Battistuzzi (Bra) Vergani Racing Formula Opel 1998 Etienne van der Linde (Rsa) AR Motorsport Formula Opel 1999 Tomas Scheckter (Rsa) AR Motorsport Formula Opel