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Hummer H3 Powertrain and Chassis Reliability by Model Generation

Results are for year ending December 31, 2016. Only successfully completed repairs are currently included in the analysis. Routine maintenance, most wear items, recalls, and problems fixed with just a reflash or warning light reset are not included.
Year and Model Percent of Average  

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What Our Members Are Saying about the Reliability And Durability of the Hummer H3

Hummer H3 Reliability And Durability: Pros
YearBody/PowertrainComment
2006 4dr SUV 220-horsepower 3.5L I5
4-speed automatic AWD w/low range
I have had this vehicle for nearly 3 years in southern baja. 29,000 miles of mostly washboard offroad and beach/sand conditions. This vehicle stills looks and rides like the first day I drove it. full 2006 Hummer H3 review
Hummer H3 Reliability And Durability: Cons
YearBody/PowertrainComment
2006 4dr SUV 220-horsepower 3.5L I5
4-speed automatic AWD w/low range
Umm, help, it's kind've falling apart with 130k miles. full 2006 Hummer H3 review