1236.5 pts · Poles 29
Includes 20 points from races with no result in the official records (counted from the official standings).
37 of these races have no result in the official data; their results come from the Italian Wikipedia.
| 1986 | Paul Ricard | grid 12 | DNF | |
| 1986 | Assen | grid 11 | DNF | |
| 1986 | Spa | 10 +1 | ||
| 1986 | Misano | grid 13 | 10 +1 | |
| 1987 | Jerez | grid 11 | 5 +6 | |
| 1987 | Monza | grid 12 | 8 +3 | |
| 1987 | Le Mans | grid 5 | 9 +2 | |
| 1988 | Suzuka | grid 3 | 1 +20 | |
| 1988 | Laguna Seca | grid 4 | 5 +11 | |
| 1988 | Jarama | grid 6 | DNF | |
| 1988 | Jerez | grid 6 | DNF | |
| 1988 | Imola | grid 5 | 4 +13 | |
| 1988 | Nürburgring | grid 9 | 1 +20 | |
| 1988 | Salzburgring | grid 4 | 4 +13 | |
| 1988 | Assen | grid 11 | 8 +8 | |
| 1988 | Spa | grid 4 | DNF | |
| 1988 | Paul Ricard | 3 +15 | ||
| 1988 | Donington | DNF | ||
| 1988 | Anderstorp | grid 12 | 12 +4 | |
| 1988 | Brno | grid 6 | DNF | |
| 1988 | Goiânia | grid 3 | 3 +15 | |
| 1989 | Suzuka | grid 3 | 1 +20 | |
| 1989 | Phillip Island | grid 1 | DNF | |
| 1989 | Laguna Seca | 2 +17 | ||
| 1989 | Jerez | grid 2 | DNF | |
| 1989 | Misano | grid 1 | DNF | |
| 1989 | Hockenheim | grid 1 | DNF | |
| 1989 | Salzburgring | grid 1 | 1 +20 | |
| 1989 | Rijeka | grid 1 | 1 +20 | |
| 1989 | Assen | grid 1 | DNF | |
| 1989 | Spa | grid 1 | 2 +8.5 | |
| 1989 | Le Mans | grid 2 | 2 +17 | |
| 1989 | Donington | grid 1 | 1 +20 | |
| 1989 | Anderstorp | grid 2 | DNF | |
| 1989 | Brno | grid 1 | 1 +20 | |
| 1989 | Goiânia | grid 2 | 1 +20 | |
| 1990 | Suzuka | grid 2 | 3 +15 | |
| 1990 | Laguna Seca | grid 3 | DNF | |
| 1990 | Jerez | grid 6 | 3 +15 | |
| 1990 | Misano | grid 2 | 2 +17 | |
| 1990 | Nürburgring | grid 1 | 1 +20 | |
| 1990 | Salzburgring | grid 1 | 1 +20 | |
| 1990 | Rijeka | grid 2 | 2 +17 | |
| 1990 | Assen | grid 1 | 1 +20 | |
| 1990 | Spa | grid 1 | 7 +9 | |
| 1990 | Le Mans | grid 1 | 1 +20 | |
| 1990 | Donington | grid 2 | 1 +20 | |
| 1990 | Anderstorp | grid 1 | DNF | |
| 1990 | Brno | grid 1 | DNF | |
| 1990 | Hungaroring | grid 3 | 3 +15 | |
| 1990 | Phillip Island | grid 2 | DNF | |
| 1991 | Suzuka | grid 1 | 1 +20 | |
| 1991 | Eastern Creek | grid 6 | 5 +11 | |
| 1991 | Laguna Seca | grid 3 | 3 +15 | |
| 1991 | Jerez | grid 4 | DNF | |
| 1991 | Misano | grid 3 | 7 +9 | |
| 1991 | Hockenheim | grid 2 | 1 +20 | |
| 1991 | Salzburgring | grid 2 | 3 +15 | |
| 1991 | Jarama | grid 1 | 4 +13 | |
| 1991 | Assen | grid 1 | 1 +20 | |
| 1991 | Paul Ricard | grid 4 | 4 +13 | |
| 1991 | Donington | grid 1 | 1 +20 | |
| 1991 | Mugello | grid 1 | 2 +17 | |
| 1991 | Brno | grid 3 | 5 +11 | |
| 1991 | Le Mans | grid 5 | 1 +20 | |
| 1992 | Suzuka | grid 1 | 3 +12 | |
| 1992 | Eastern Creek | grid 4 | 4 +10 | |
| 1992 | Jerez | grid 4 | 4 +10 | |
| 1992 | Mugello | grid 2 | 1 +20 | |
| 1992 | Catalunya | grid 5 | 4 +10 | |
| 1992 | Hockenheim | grid 3 | 2 +15 | |
| 1992 | Assen | grid 3 | DNF | |
| 1992 | Hungaroring | grid 5 | 4 +10 | |
| 1992 | Magny-Cours | grid 7 | DNF | |
| 1992 | Donington | grid 5 | DNF | |
| 1992 | Interlagos | grid 4 | 7 +4 | |
| 1992 | Kyalami | grid 5 | 5 +8 | |
| 1993 | Eastern Creek | grid 1 | 1 +25 | |
| 1993 | Shah Alam | grid 1 | 3 +16 | |
| 1993 | Jerez | grid 1 | 1 +25 | |
| 1993 | Salzburgring | grid 1 | 1 +25 | |
| 1993 | Hockenheim | grid 4 | 2 +20 | |
| 1993 | Assen | grid 2 | 1 +25 | |
| 1993 | Catalunya | grid 2 | 3 +16 | |
| 1993 | Mugello | grid 3 | 2 +20 | |
| 1993 | Donington | grid 1 | DNF | |
| 1993 | Brno | grid 5 | 5 +11 | |
| 1993 | Misano | grid 4 | 3 +16 | |
| 1993 | Laguna Seca | grid 4 | 4 +13 | |
| 1993 | Jarama | grid 3 | 3 +16 | |
| 1994 | Eastern Creek | grid 4 | 4 +13 | |
| 1994 | Shah Alam | grid 10 | 6 +10 | |
| 1994 | Suzuka | grid 3 | 1 +25 | |
| 1994 | Jerez | grid 1 | 2 +20 | |
| 1994 | Salzburgring | grid 2 | 2 +20 | |
| 1994 | Hockenheim | grid 2 | 2 +20 | |
| 1994 | Assen | grid 4 | 5 +11 | |
| 1994 | Mugello | grid 7 | 3 +16 | |
| 1994 | Le Mans | grid 5 | DNF | |
| 1994 | Donington | grid 2 | 1 +25 | |
| 1994 | Brno | grid 6 | 7 +9 | |
| 1995 | Eastern Creek | grid 5 | 5 +11 | |
| 1995 | Shah Alam | grid 7 | 4 +13 | |
| 1995 | Suzuka | grid 10 | 6 +10 |