H3 (1st)
NHTSA Safety Ratings About NHTSA ratings
Engine Reliability Ratings
LH8
5.3L 8-cylView details
Complaint Breakdown
Known Issues
LLR
3.7L 5-cylView details
Complaint Breakdown
Known Issues
L52
3.5L 5-cylView details
Complaint Breakdown
Known Issues
2 additional engine variants with fewer than 10 complaints not shown.
Vehicle-Level Issues
These issues affect the Hummer H3 regardless of engine variant.
Recalls (4)
General Motors LLC (GM) is recalling certain model year 2006-2010 Hummer H3 vehicles manufactured February 5, 2005, to May 24, 2010, and 2009-2010 Hummer H3T vehicles manufactured May 21, 2008, to May 24, 2010. In the affected vehicles, the connector module that controls the blower motor speed for the heating, ventilation and air conditioning system may overheat.
GM IS RECALLING CERTAIN MODEL YEAR 2006 THROUGH 2010 HUMMER H3 VEHICLES. SOME OF THESE VEHICLES HAVE A CONDITION IN WHICH THE INTEGRAL CLIP-TABS ON THE LOUVER ON THE HOOD MAY FRACTURE, CAUSING THE HOOD LOUVER RATTLE AGAINST THE HOOD AND BECOME LOOSE. IF THIS INDICATOR IS UNNOTICED, ADDITIONAL CLIPS COULD FRACTURE AND THE HOOD LOUVER COULD DETACH FROM THE VEHICLE.
CERTAIN VEHICLES ORIGINALLY BUILT WITH CLOTH SEATS THAT WERE EQUIPPED WITH AN AUTOMATIC AIR BAG PASSENGER SENSING SYSTEM AND LATER REUPHOLSTERED WITH AFTERMARKET LEATHER SEAT COVER KITS ARE INVOLVED. TESTING HAS INDICATED THAT THE AFTERMARKET LEATHER SEAT COVERS CAN CAUSE THE PASSENGER SENSING SYSTEM TO MALFUNCTION.
CERTAIN TRUCKS AND SPORT UTILITY VEHICLES FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 110, "TIRE SELECTION AND RIMS." THESE VEHICLES WERE SHIPPED WITH TIRE AND LOADING INFORMATION LABELS LISTING AN INACCCURATE VEHICLE CAPACITY WEIGHT.
Alternatives in Compact SUV
Frequently Asked Questions
What are the most common 2006-2010 Hummer H3 problems?
The 2006-2010 Hummer H3 has accumulated 796 NHTSA complaints. The most frequently reported problem areas are Electrical System, Engine, Body/Trim. As with any used vehicle, a pre-purchase inspection and vehicle history report are recommended.
Which Hummer H3 engine is most reliable?
The 2006-2010 Hummer H3 was offered with 5 engine options. Based on NHTSA complaint data, the 3.7L 5-cyl has the lowest complaint density and is considered the most reliable choice for buyers.
Is the 2006-2010 Hummer H3 a good used car?
The 2006-2010 Hummer H3 can be a solid used car purchase depending on trim, mileage, and maintenance history. With 796 total NHTSA complaints on record, prospective buyers should review the known problem areas and check for open recalls before buying.
How many NHTSA complaints does the 2006-2010 Hummer H3 have?
The 2006-2010 Hummer H3 has 796 complaints filed with NHTSA as of our latest data pull. Complaint counts reflect owner-reported issues and do not necessarily indicate defects or safety risks on their own.
What recalls affect the 2006-2010 Hummer H3?
There are 4 NHTSA recalls affecting some 2006-2010 Hummer H3 vehicles. Recall status varies by VIN — check the NHTSA recall database at recalls.nhtsa.dot.gov with your specific VIN to confirm which campaigns apply.
What should I check before buying a used Hummer H3?
Before buying a used Hummer H3, verify all open recalls are completed via the NHTSA VIN lookup tool. Pay particular attention to Electrical System, Engine, Body/Trim, which are the most commonly reported problem areas. Request maintenance records, have an independent mechanic inspect the vehicle, and run a vehicle history report to check for prior accidents or title issues.
What are the NHTSA crash test ratings for the H3?
The 2010 Hummer H3 received an overall N/A-star safety rating from NHTSA. Frontal crash: N/A stars. Side crash: N/A stars. Rollover: 3 stars (24.6% rollover probability). Electronic Stability Control: Standard. Forward Collision Warning: No. Lane Departure Warning: No. These ratings are based on standardized crash tests conducted by the National Highway Traffic Safety Administration.
Data from NHTSA federal complaints database. 796 complaints analyzed. Data confidence: high. Last updated: 2026-04-07.