By Championship By Year 1988
International
Dakar Rally
FIA Cup for Drivers of Production Cars
WRC: World Rally Championship
Continental
APRC: Asia Pacific Rally Championship
 
FIA European Formula 3 Cup
National
24 Hours of Nürburgring
Belgium: Rally Championship
Czechoslovakia: Rally Championship
Germany: ADAC Supercup
Germany: DTM: Deutsche Tourenwagen Meisterschaft
Germany: Formula 3 Championship
Poland: Rally championship
Porsche 944 Turbo Cup
Spain: Rally Championship (Asphalt)
Spain: Rally Championship (Gravel)