H3 Hummer Sedan Black. The Hummer H3 is a vehicle from General Motors' Hummer division introduced in 2005 and based on the GMT355 that underpins the Chevrolet Colorado and GMC Canyon compact pickup trucks. Currently produced at GM's Shreveport, Louisiana factory and the Port Elizabeth plant in South Africa the H3 is the smallest of the Hummer models, and the first to be built by GM. It is available either as a traditional midsize SUV or as a midsize pickup known as the H3T.
