The drivers' world championship was won by Sébastien Loeb in a Citroën Xsara WRC, ahead of Petter Solberg and Markko Märtin.
The manufacturers' title was won by Citroën, ahead of Ford and Subaru.
The video game WRC 4: The Official Game of the FIA World Rally Championship was based on this season.
The highest finishing competitor entered in each WRC class is listed below.
Non-championship entries may have finished ahead of WRC competitors in individual rounds.