The Champ Car World Series merged operations with the Indy Racing League (IRL) under the Indy Car Series name effective for the 2008 season. The owners of the Champ Car World Series filed for Chapter 11 bankruptcy on March 5, 2008.

The Champ Car was formed in 2004 after team owners Kevin Kalkhoven, Paul Gentilozzi and Gerald Forsythe bought the assets of Championship Auto Racing Teams (CART) after it had filed for bankruptcy.

Champ Car World Series Champions

Champ Car World Series by Year

CART-Champ Car History