1993
PPG Indy Car World Series
1st
1993
USAC National Championship
3rd
1992
Formula One World Championship for Drivers
1st
1991
Formula One World Championship for Drivers
2nd
1987
Formula One World Championship for Drivers
2nd
1986
Formula 1 World Championship for Drivers
2nd
1979
John Player International F3 Trophy
2nd
1977
Formula Ford 1600 BRDC
1st