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 8 April 1990 to 7 October 1990 and was composed of nine races.
| Rnd | Race | Circuit | Date |
|---|---|---|---|
| 1 | | Suzuka Circuit | 8 April |
| 2 | | Autodromo Nazionale Monza | 29 April |
| 3 | | Silverstone Circuit | 20 May |
| 4 | | Circuit de Spa-Francorchamps | 3 June |
| 5 | | Dijon-Prenois | 22 July |
| 6 | | Nürburgring | 19 August |
| 7 | | Donington Park | 2 September |
| 8 | | Circuit Gilles Villeneuve | 23 September |
| 9 | | Autodromo Hermanos Rodriguez | 7 October |
The Montreal race was stopped before 75% distance was completed, therefore half points were awarded.
| Rnd | Circuit | Winning Team | Results |
|---|---|---|---|
| Winning Drivers | |||
| 1 | Suzuka | | Report |
| | |||
| 2 | Monza | | Report |
| | |||
| 3 | Silverstone | | Report |
| | |||
| 4 | Spa-Francorchamps | | Report |
| | |||
| 5 | Dijon-Prenois | | Report |
| | |||
| 6 | Nürburgring | | Report |
| | |||
| 7 | Donington | | Report |
| | |||
| 8 | Montreal | | Report |
| | |||
| 9 | Mexico City | | Report |
| |
| 1st | 2nd | 3rd | 4th | 5th | 6th |
|---|---|---|---|---|---|
| 9 | 6 | 4 | 3 | 2 | 1 |
In order to be classified for points, a team had to complete 75% of the winner's distance. Further, drivers were required to complete at least 30% of their car's total race distance to qualify for championship points.
| Pos | Team | SUZ | MNZ | SIL | SPA | DIJ | NUR | DON | MON | MEX | Points |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | | 1 | 1 | Ret | 1 | 1 | 1 | 1 | 1 | 1 | 67.5 |
| 2 | | Ret | 3 | 1 | 2 | 4 | 3 | DSQ | 15 | 3 | 30 |
| 3 | | 3 | 7 | NC | 3 | 3 | 5 | 4 | 2 | 2 | 26 |
| 4 | | 18 | 6 | 3 | 4 | 6 | 7 | 3 | 21 | 10 | 13 |
| 5 | | 11 | 5 | 4 | 7 | 7 | 6 | 7 | 6 | 5 | 8.5 |
| 6 | | 5 | 9 | 5 | 9 | 18 | 18 | 8 | 4 | 7 | 5.5 |
| 7 | | 6 | 12 | 6 | 5 | 11 | 8 | 12 | 10 | Ret | 4 |
| 8 | | 15 | 17 | 11 | 6 | Ret | Ret | 11 | 3 | Ret | 3 |
| 9 | | 4 | Ret | 12 | 18 | Ret | Ret | Ret | 7 | Ret | 3 |
1990 24 Hours of Le Mans, a race for Group C Sports Prototypes which did not count towards the 1990 World Sports-Prototype Championship.