1st Gen (2006 – 2010) Hummer H3 Problems

The 1st generation of the H3 has a cumulative PainRank™ of 11.56. That can be compared against other Hummer generations. Shopping for a Hummer? You should probably steer clear of this generation.

Owners of the 2006–2010 H3 model years have sent in 134 complaints on CarComplaints.com. We've listed the three most common below. Most are about the engine (33%) followed by the electrical (14%) and the cooling system (11%).

Comparing Years in This Generation

Generations are a good baseline for prediciting reliability, but there will almost always be year-to-year differences. We've calculated a reliability score for each model year within this generation, but we've based that score on how the model year compares to all Hummer model years.

Watch out for the 2006 model year which has the highest PainRank™ score in this generation.

Year Complaints Reliability PainRank (?)
2010 0
2009 5
2008 26
2007 34
2006 69

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