High Quality Content by WIKIPEDIA articles! The 2007 Champ Car Atlantic Season was the thirty-third Champ Car Atlantic season, its sixth season as the prime feeder series for the Champ Car World Series. It began on April 8, 2007 and ended on August 12 after 12 races. The Cooper Tires Presents the Champ Car Atlantic Championship Powered by Mazda Drivers` Champion was Raphael Matos driving for Sierra Sierra Enterprises.