Speed made his Craftsman Truck Series debut at Atlanta Motor Speedway on March 7, 2008. He drove the Morgan-Dollar Motorsports #46 Cheverolet truck with Red Bull sponsorship. In his second race, he recorded his first Top 10 finish at Martinsville Speedway. He won his first career race on May 30 at Dover with Bill Davis Racing in a Toyota. On Sunday October 19, 2008, Scott Speed started his first Sprint Cup Series event at Martinsville Speedway. He finished in 30th place. He finished the Cup season in the #84 Red Bull Toyota Camry for the Red Bull Racing Team.