What's Wrong with the Hummer H3T?

H3T owners have made 2 complaints to CarComplaints.com. We've listed the three most active below. Most are about the cooling system (50%), followed by the electrical (50%) and the .

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 H3T.

Comparing H3T Generations

The H3T only has one generation which runs from 2009 to 2010. To date, it's earned a PainRank™ of 1.87 which ranks 3rd. Looking for a year-to-year comparison? We've got that too.

Generation Model Years Reliability Complaints PainRank (?)
1st Gen H3T 2009–2010
2 1.87

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    The Worst H3T 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.