What's Wrong with the Hummer H3?

H3 owners have made 134 complaints to CarComplaints.com. We've listed the three most active below. Most are about the engine (33%), followed by the electrical (14%) and the cooling system (11%).

Want more information about these problems? Clicking on the link will bring you over to CarComplaints.com for additional details. While you're there, add your own complaints about the H3.

Comparing H3 Generations

The H3 only has one generation which runs from 2006 to 2010. To date, it's earned a PainRank™ of 11.56 which ranks 4th. Looking for a year-to-year comparison? We've got that too.

Generation Model Years Reliability Complaints PainRank (?)
1st Gen H3 2006–2010
134 11.56

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    The Worst H3 Years

    This bar chart shows the seven years with the highest complaint volume. Clicking on the year will take you to their problem pages on CarComplaints.com.