What's Wrong with the Hummer H1?

H1 owners have made 2 complaints to CarComplaints.com. We've listed the three most active below. Most are about the fuel system (100%), followed by 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 H1.

Comparing H1 Generations

The H1 only has one generation which runs from 2002 to 2006. To date, it's earned a PainRank™ of 0.14 which ranks 1st. Looking for a year-to-year comparison? We've got that too.

Generation Model Years Reliability Complaints PainRank (?)
1st Gen H1 2002–2006
2 0.14

Keep Up with Everything H1 Related

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    The Worst H1 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.