The 2003 World Rally Championship was the 31st season of the FIA World Rally Championship. The season consisted of 14 rallies. The drivers' world championship was won by Petter Solberg in a Subaru Impreza WRC, ahead of Sébastien Loeb and Carlos Sainz. The manufacturers' title was won by Citroën, ahead of Peugeot and Subaru.
Manufacturers' championship
Manufacturer Teams must enter at least two cars. This allowed Manufacturers to have three or four cars registered on a single event, but only their best two result would count to the championship.
References
2003 World Rally Championship Wikipedia(Text) CC BY-SA