Hummer H3

Model Year Comparison

Worst Model Year
2006
Worst Category
engine Problems

Here are total complaints by model year for the Hummer H3. Overall the worst problem category is Hummer H3 engine problems.

The 2006 Hummer H3 has the most overall complaints, & we also rate 2006 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 2006 Hummer H3 for passlock light on preventing engine to start.

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

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Worst Hummer H3 Problems

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