 2003 CART season

The 2003 Champ Car World Series, the twenty-fifth and final in the CART era of American open-wheel car racing, consisted of 18 races, beginning in St. Petersburg, Florida on February 23 and concluding in Surfers Paradise, Queensland, Australia on October 26.For sponsorship purposes, it was branded as Bridgestone Presents the Champ Car World Series Powered by Ford.