2005 Hummer H2 problems and complaints
Owners have filed 91 complaints with NHTSA about the 2005 Hummer H2. The most-reported areas: Electrical System (32), Visibility (18), Service Brakes (13).
Key takeaways
- 91 owner complaints on file with NHTSA.
- 3 involve a crash, 1 a fire, 2 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Electrical System | 32 | 35% |
| Visibility | 18 | 20% |
| Service Brakes | 13 | 14% |
| Air Bags | 12 | 13% |
| Steering | 8 | 9% |
| Hydraulic | 6 | 7% |
| Power Train | 5 | 5% |
| Engine | 5 | 5% |
| Visibility/Wiper | 5 | 5% |
| Tires | 4 | 4% |
| Unknown Or Other | 3 | 3% |
| Seats | 2 | 2% |
One complaint can name several components, so shares add up to more than 100%.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2005 Hummer H2 4-DR | Not rated | Not rated | Not rated | Not rated |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Steering - filed 2026-03-25
The contact owns a 2005 Hummer H2. The contact stated that while the vehicle was parked, fluid started to leak from the steering wheel. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 140,000.
Tires - filed 2025-08-08
The contact owns a 2005 Hummer H2 equipped with Cooper Tires, Tire Line: Discoverer, Tire size: 35X13.50R20LT, DOT Number: 1V1261B4V1724. The contact stated that while the vehicle was being serviced and on a lift, the mechanic became aware that all four tires were split in the middle of each tire. The vehicle was taken...
Power Train,electrical System,engine - filed 2025-07-29
The contact owns a 2005 Hummer H2. The contact stated that while parking in the mountains, the vehicle was in the park position, and it unexpectedly rolled and stopped at a boulder. There were no warning lights illuminated. The door hit the driver and knocked him to the ground, and he sustained an injury to his head, b...
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More for the 2005 Hummer H2
Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.