The 1990 Race of Champions took place on December 8-9 in the Spanish city of Barcelona. It was the third running of the event, and the first year that the International Masters contest was run, allowing up-and-coming rally drivers a chance to mix it with the champions in the main event. Stig Blomqvist retained his title won the previous year, defeating Tommi Makinen in the final.
The 12 participants were split into three groups for the round robin first stage of the contest, with the best three from each progressing along with the driver with the fastest time among the losers. The drivers were split as follows: