The Hummer H2 is a 4-door, full-size SUV and SUT manufactured by AM General and General Motors. It was first introduced in 2003 and ended its production its 2009. The H2 is available in 6.0L 325 hp V8 and 6.2L 393 hp V8 engine variants. It was introduced in a Show more... crew cab truck and SUV body styles and 4-speed and 6-speed automatic transmissions. The H2 Sports Utility Vehicle has the ability to haul heavy cargo like most trucks.