Worst 2007 Hummer H3 Problems
Top 3 most-reported issues with average mileage at failure.
Electrical Faults
Engine Problems
Wipers & Visibility
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All Problems by Category
Every NHTSA complaint category for the 2007 Hummer H3.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Electrical Faults | 68 | 1 | 10 | 85,469 mi | |
| Engine Problems | 44 | 1 | 2 | 91,029 mi | |
| Wipers & Visibility | 24 | — | — | 100,133 mi | |
| Transmission / Drivetrain | 16 | — | — | 67,537 mi | |
| Airbags | 15 | 7 | 1 | 97,909 mi | |
| Electronic Stability Control | 12 | 1 | — | 90,110 mi | |
| Body Structure | 12 | 1 | — | 97,637 mi | |
| Fuel System | 11 | — | — | 87,874 mi | |
| Engine & Cooling | 10 | — | 1 | 56,760 mi | |
| Visibility | 8 | — | 1 | 98,801 mi | |
| Brakes | 6 | 2 | — | 76,080 mi | |
| Equipment:Appliance:Air Conditioner | 5 | — | 1 | 92,988 mi | |
| Steering Defects | 5 | 1 | — | 81,450 mi | |
| Structure:Body:Hood | 5 | — | — | 150,000 mi | |
| Visibility:Defroster/Defogger/Hvac System:Fan/Motor | 5 | — | 2 | 100,348 mi | |
| Structural Problems | 4 | — | — | — | |
| Suspension Failures | 4 | 2 | — | — | |
| Air Bags:Side/Window | 3 | 1 | — | — | |
| Seat-Related Issues | 3 | — | — | — | |
| Unintended Acceleration | 3 | — | — | — | |
| Sunroof/Moonroof | 3 | — | — | — | |
| Electrical System:Starter Assembly | 2 | — | — | — | |
| Electrical System:Wiring:Interior/Under Dash | 2 | — | 2 | — | |
| Headlight/Taillight Failures | 2 | — | — | — | |
| Latches / Locks | 2 | — | — | — | |
| Seat Belt Issues | 2 | 1 | — | — | |
| Service Brakes, Hydraulic:Pedals And Linkages | 2 | — | — | — | |
| Tire Defects | 2 | — | — | — | |
| Visibility:Defroster/Defogger/Hvac System | 2 | — | — | — |
Search Owner Complaints
Read what owners actually reported to NHTSA for the 2007 Hummer H3. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Recalls for 2007 Hummer H3
2 NHTSA recall campaigns affecting ~327,122 vehicles.
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.
Other Hummer H3 Years
2007 Hummer H3 — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 2007 Hummer H3 reliable?
What are common problems with the 2007 Hummer H3?
At what mileage do problems start on the 2007 Hummer H3?
How safe is the 2007 Hummer H3?
Does the 2007 Hummer H3 have any recalls?
Should I buy a 2007 Hummer H3?
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.
Wider context: See the full Hummer H3 reliability report with year-by-year comparison and generation analysis.
Check Your Specific 2007 Hummer H3
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
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