Flex-fuel
Hummer H3
Wikimedia Commons
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Background

The Hummer H3 is an off-road vehicle that was produced by General Motors and marketed by Hummer from 2005 to 2010. The smallest model of the Hummer lineup, it was offered as a 5-door SUV or a 4-door pickup truck known as the H3T. Unlike the larger H1 and H2 models, the H3 was not developed by AM General. It was introduced for the 2006 model year, based on a modified GMT355 that underpinned the Chevrolet Colorado/GMC Canyon compact pickup trucks that were also built at GM's Shreveport Operations in Shreveport, Louisiana, and the Port Elizabeth plant in South Africa. While mechanically related to the Colorado and Canyon, GM claims they share only 10% of their components, with the chassis modified and reinforced for heavy off-road duties.

Text adapted from “Hummer H3” on Wikipedia ↗ · CC BY-SA 4.0 ↗ · retrieved 2026-07

Specification
Fuel
flex-fuel · gasoline
Displacement
3.5–5.3 L · 5/8 cyl
Fuel economy
14–16 mpg combined — EPA 2006–2010
Still on UK roads
58
licensed vehicles · 2025
2014 ▼ 12% since 2014 2025

Contains public sector information licensed under the Open Government Licence v3.0 · DVLA VEH0124 ↗

Sources
Wikipedia ↗Wikidata ↗ WIKIDATA · DVLA · EPA