Cobalt is a compact class 2-door coupe or 4-door sedan that was built on GM Delta platform and produced between 2004 and 2010. Pontiac G5, rebadged version of Cobalt was released in 2006. Cobalt SS was released in 2006 and Special Edition Package in 2008. There were few recalls by Chevrolet because of the discrepancy of federal safety requirements, power steering problems and potential fuel leak.