The first four championship crowns came in Champ Car's predecessor series, CART, and four others by Sébastien Bourdais in 2004,2005,2006, and 2007 were Champ Car World Series titles.
The first four championship crowns came in Champ Car's predecessor series. This was cart. Four others by Sébastien Bourdais in 2004 were Champ Car World Series titles.2004 was 2005.2004 was 2006.2004 was 2007.