1989 World Sportscar Championship season

The 1989 World Sportscar Championship season was the 37th season of FIA World Sportscar Championship motor racing. It featured the 1989 FIA World Sports Prototype Championship, which was open to Group C1 Sports Prototypes, Group C2 Sports Prototypes and IMSA GTP cars. The championship was contested over an eight round series which ran from April 9, 1989 to October 29, 1989

World Sports Prototype Championship for Teams
Points were awarded for the top 10 outright finishers in the order of 20-15-12-10-8-6-4-3-2-1 with the following exceptions:
 * Only the highest placed car from each team was eligible to score points with any other team car being skipped in the points allocation
 * No points were awarded if the car did not complete 90% of the distance covered by the winning car

Group C1, Group C2 and IMSA GTP cars were all eligible to score points.

Only the best six round results could be retained by each team.

FIA Cup for C2 Teams
Points towards the FIA Cup for C2 Teams were awarded on the same basis as for the World Sports Prototype Championship for Teams.

World Sports Prototype Championship for Drivers
Points were awarded for the top 10 finishers, in the order of 20-15-12-10-8-6-4-3-2-1 with the following exceptions:
 * No points were awarded if the car did not complete 90% of the distance covered by the winning car
 * Any driver failing to complete 30% of the distance covered by the car which he or she was driving was not eligible for points
 * Any driver competing in more than one car was not eligible for points

The title was won by Jean-Louis Schlesser driving a Sauber C9 Mercedes for Team Sauber Mercedes.

FIA Cup for C2 Drivers
Points towards the FIA Cup for C2 Drivers were awarded on the same basis as for the World Sports Prototype Championship for Drivers.

The title was won jointly by Adam Nick and Fermin Velez driving a Spice SE89C Ford Cosworth for Chamberlain Engineering.