ANNOUNCEMENT: The Car Book 2018 is now online!

Ratings on over 1,000 new & used models going back 5 years, from the Center from Auto Safety. Learn more about The Car Book 2018 here.

Hummer H1

Model Year Comparison

Worst Model Year
2002
Worst Category
fuel system Problems

We don't have a lot of complaints on file for the Hummer H1 — feel free to add yours here. Probably because it's so old, no one bothers to post complaints anymore.

The 2002 Hummer H1 has the most overall complaints, & we also rate 2002 as the worst model year ranked on several factors such as repair cost & average mileage when problems occur. The most-reported problem is also with the 2002 Hummer H1 for vehicle died on the highway.

Click on the graph bars for more details about a specific model year.

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Worst Hummer H1 Problems

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