High Quality Content by WIKIPEDIA articles! The 1990 World Sportscar Championship season was the 38th season of FIA World Sportscar Championship racing. It featured the 1990 FIA World Sports-Prototype Championship for Drivers and the 1990 FIA World Sports-Prototype Championship for Teams, both of which were contested over a series for cars running under the FIA`s Group C formula. The series ran from April 8, 1990 to October 7, 1990 and was composed of nine races.