The newest Hummer H3s are available online at Autotrader.com, Edmunds.com and CarsforSale.com as of 2015. The final year of the Hummer H3 was 2010, and there are several style options for that year, including base, adventure, luxury and alpha.
Buyers can search across the United States using Autotrader, which lets users search by city or ZIP code to find dealers with H3s. CarsforSale.com also has 2010 H3s for sale, and many of the sellers are also dealers. One of the listings is for a stretch limousine H3.
Edmunds.com offers H3 reviews, which include pros and cons and features new to the 2010 model. Additional information includes features and specifications for each trim and style option. The H3 Alpha was the model's most powerful style option.