2005 Hummer H2 Reliability ReportKeepScore 68/100 · top failure points · buy or avoid
Quick Facts · 2005 Hummer H2
- Scores 4 points below the strongest nearby year — the 2007 Hummer H2 earns a 72.
- The system most likely to surface first: electrical system (moderate severity).
- Has 3 NHTSA recalls on record — the most notable involves the service brakes, hydraulic.
2005 Hummer H2: Buy or Avoid?
The 2005 Hummer H2, while built on a robust heavy-duty GM truck platform, is a high-cost, high-maintenance proposition in its later life. Expect solid mechanicals for the engine and transmission, but prepare for regular and potentially expensive electrical and air suspension component failures. This isn't a vehicle for the faint of heart or light of wallet, demanding a thorough pre-purchase inspection and a significant maintenance budget.
Biggest Strengths
- Extremely durable 6.0L V8 engine
- Robust frame and drivetrain components
- Exceptional off-road capability and presence
2005 Hummer H2 — Known Trouble Spots
The systems that break first on the 2005 Hummer H2. Mileage windows, repair costs, and fix-before-you-buy notes are in the full report.
Safety Recalls on the 2005 Hummer H2
3 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.
SERVICE BRAKES, HYDRAULIC
CERTAIN TRUCKS, SPORT UTILITY VEHICLES, AND VANS EQUIPPED WITH BOSCH HYDRO-BOOST BRAKE ASSEMBLIES, THE HYDRAULIC BRAKE BOOSTER PRESSURE ACCUMULATOR MAY CRACK AND SEPARATE FROM THE HYDRO-BOOST ASSEMBLY DURING NORMAL OPERATING CONDITIONS.
SEAT BELTS:REAR/OTHER
ON CERTAIN CREW CAB PICKUP TRUCKS AND SPORT UTILITY VEHICLES, THE 2ND ROW CENTER OCCUPANT SEAT BELT ROUTING MAY MAKE IT DIFFICULT TO POSITION THE LAP PORTION OF THE SAFETY BELT LOW AROUND THE HIPS OF OCCUPANTS, ESPECIALLY SMALLER OCCUPANTS, SEATED IN THIS POSITION. APPROPRIATE USE OF A CHILD SEAT OR BOOSTER SEAT, AS RECOMMENDED FOR SMALL CHILDREN, DOES IMPROVE THE FIT CONDITION FOR THIS USER GROUP. IN ADDITION TO INSTRUCTIONS ON PROPER INFANT AND YOUNG CHILD RESTRAINT (WITH CHILD SEATS OR BOOSTERS), SPECIAL VERBIAGE FOR RESTRAINING OLDER CHILD IS INCLUDED IN THE OWNER'S MANUAL. ALSO, THE SUGGESTED SEAT BELT FIT/ROUTING FOR ADULTS, IRRESPECTIVE OF SEATING POSITION, IS DESCRIBED IN THE OWNER'S MANUAL TEXT.
What breaks on the 2005 Hummer H2?
Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.
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Hummer H2 — Year-by-Year Comparison
Compare KeepScores across nearby years of the Hummer H2. Click any year for its full report.
Competing 2005s Worth a Look
Similar class, similar year range — ranked by KeepScore.
Relevant Products for Your 2005 Hummer H2
Parts and accessories matched to your 2005 Hummer H2
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Frequently Asked Questions
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