Hummer H3 problems, recalls & best years
The deets on every H3 from 2003 to 2010: 789 owner complaints and 12 recalls across 6 model years.
The model years with the most owner complaints are 2006 (361), 2007 (237), 2008 (113). Best fuel economy: 16 mpg combined (2010).
Problem areas across all years
Year by year
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the Hummer H3.
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FAQ
What is the worst year for the Hummer H3?
The model years with the most owner complaints are 2006 (361), 2007 (237), 2008 (113).
How many recalls has the Hummer H3 had?
Across 2003–2010, NHTSA lists 12 vehicle recall campaigns by model year (a campaign that covers several years counts once per year).