Reliability & 5-year cost of ownership — 2008 Hummer H3
NHTSA data on file today
The 2008 Hummer H3 has 2 NHTSA recall campaigns and 113 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 34 complaints
- Engine 18 complaints
- Air Bags 17 complaints
- Visibility 15 complaints
- Visibility/Wiper 12 complaints
- Structure 8 complaints
Of the 113 complaints on file, 3 report a crash and 6 a fire; across all 113 complaints, owners report 5 injuries (owner-reported, not verified by NHTSA).
Below average
Estimated 5-year repair + maintenance cost: $9,000–$14,000AI estimate — not from NHTSA data
The 2008 Hummer H3 has notable issues with the electrical system and air bags, as indicated by the complaints and recalls. Blower motor overheating and hood louver detachment problems are common, impacting reliability.
Most-common failures
| Part | Typical mileage (AI estimate) | Cost range (AI estimate) | Frequency |
|---|---|---|---|
| blower motor | 50,000–70,000 miles | $400–$700 | very common |
| hood louver | 40,000–60,000 miles | $200–$400 | common |
| electrical system | 60,000–90,000 miles | $500–$1,200 | common |
| air bags | 70,000–100,000 miles | $800–$1,500 | occasional |
| engine cooling | 60,000–80,000 miles | $300–$600 | occasional |
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 change
- Brake pad replacement
- Coolant flush
- Transmission fluid change
- Spark plug replacement
- Tire rotation
- Battery replacement
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Overheating blower motor
- Rattling hood louver
- Airbag warning light
- Engine rough idle
- Electrical shorts
Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2008 Hummer H3 at the time. The rating is an AI assessment; cost and mileage figures are AI estimates, not NHTSA data.