You can reach all the car models of Hummer, car features of the all Hummer models and series, Hummer pictures, photos, parts and accessories information, price information, awards and reviews, comparisons, photo and video galleries, the last news on their followed website as below.
http://www.hummer.com
Before buy you can compare all the Hummer models as followed :
Hummer H3
Hummer H3 Adventure
Hummer H3 Luxury
Hummer H3T
Hummer H3T Adventure
Hummer H3T Luxury
Hummer H3T Alpha
Hummer H3X
Hummer H3 Alpha
Hummer H2
Hummer H2 Sut Adventure
Hummer H2 Sut Luxury
Hummer H2 Sut
Hummer H2 Suv
