Reliability & 5-year cost of ownership — 2007 Hummer H3
NHTSA data on file today
The 2007 Hummer H3 has 2 NHTSA recall campaigns and 238 owner complaints on file as of . Recall data is refreshed daily from NHTSA.
Recall campaigns on file
- NHTSA #15V421000 Blower Motor Connector may Overheat NHTSA notice
- NHTSA #10V179000 HOOD LOUVER SEPARATION NHTSA notice
Most-cited components in owner complaints
- Electrical System 76 complaints
- Engine 44 complaints
- Unknown or Other 25 complaints
- Visibility/Wiper 24 complaints
- Structure 22 complaints
- Visibility 20 complaints
Of the 238 complaints on file, 12 report a crash and 18 a fire; across all 238 complaints, owners report 19 injuries (owner-reported, not verified by NHTSA).
Below average
Estimated 5-year repair + maintenance cost: $8,000–$15,000AI estimate — not from NHTSA data
The 2007 Hummer H3 has a below-average reliability rating due to 238 owner complaints and two recalls. Common issues include electrical system failures and engine problems. However, recall data is limited, with only two campaigns addressing HVAC and hood structure concerns. The complaint data indicates potential reliability challenges but lacks sufficient detail for a comprehensive assessment.
Most-common failures
| Part | Typical mileage (AI estimate) | Cost range (AI estimate) | Frequency |
|---|---|---|---|
| Electrical system | 60,000–90,000 miles | $300–$800 | common |
| Engine | 70,000–100,000 miles | $500–$3,000 | common |
AI estimate — not from NHTSA data: the mileage bands and repair-cost ranges above. Get a written repair quote before you budget.
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter changes
- Brake fluid replacement
- Transmission fluid change
- Tire rotations and balancing
- Coolant system flush
- Air filter replacement
- Spark plug replacement
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Engine noises
- Electrical malfunctions
- Unusual vibrations
- Cooling system issues
- Transmission slipping
Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2007 Hummer H3 at the time. The rating is an AI assessment; cost and mileage figures are AI estimates, not NHTSA data.