Reliability AnalysisBased on known issue patterns, repair cost data, and ownership trends · How we score

2007 Hummer H2 Reliability ReportCommon Problems, Repair Costs & Expert Verdict

72/ 100

KeepScore

MODERATE RISK

Grade: C+

A mechanically strong, iconic SUV plagued by electrical issues and high running costs.

Full system breakdown + what I would do

Quick Facts · 2007 Hummer H2

  • Has 2 NHTSA recalls on record — the most notable involves the electrical system.
  • Scores 13 points below the strongest nearby year — the 2008 Hummer H2 earns a 85.
  • The system most likely to surface first: electrical system (moderate severity).

Should You Buy the 2007 Hummer H2?

The 2007 Hummer H2, while undeniably robust at its core thanks to its heavy-duty GM truck platform, presents a moderate reliability risk for used car buyers. Its powerful drivetrain is generally durable, but recurring electrical gremlins, potential air suspension failures, and significant running costs make it a vehicle that demands a thorough pre-purchase inspection and a dedicated owner. It's a statement vehicle, but not one for the faint of wallet or those seeking a trouble-free ownership experience.

Biggest Strengths

  • Extremely durable 6.0L V8 engine
  • Robust body-on-frame construction
  • Highly capable 4WD system and heavy-duty axles

Top Risk Areas

The systems that break first on the 2007 Hummer H2. Mileage windows, repair costs, and fix-before-you-buy notes are in the full report.

1
Electrical Systemmoderate
2
Air Suspension Systemmajor
3
Fuel Systemmoderate
Typical mileage, cost ranges, and the exact what-to-check list are in the full report.

NHTSA Recalls

2 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.

ELECTRICAL SYSTEM

GM IS RECALLING 857,735 MY 2006-2008 BUICK LUCERNE; CADILLAC DTS; HUMMER H2; MY 2007-2008 CADILLAC ESCALADE, ESCALADE ESV, ESCALADE EXT; CHEVROLET AVALANCHE, SILVERADO, SUBURBAN, TAHOE; GMC ACADIA, SIERRA, YUKON, YUKON XL, SATURN OUTLOOK; AND MY 2008 BUICK ENCLAVE VEHICLES EQUIPPED WITH A HEATED WIPER WASHER FLUID SYSTEM. A SHORT CIRCUIT ON THE PRINTED CIRCUIT BOARD FOR THE WASHER FLUID HEATER MAY OVERHEAT THE CONTROL-CIRCUIT GROUND WIRE.

ELECTRICAL SYSTEM

GM IS RECALLING CERTAIN MODEL YEAR 2006-2009 BUICK, LUCERNE; CADILLAC DTS; HUMMER H2; MODEL YEAR 2008-2009 BUICK ENCLAVE; CADILLAC CTS; MODEL YEAR 2007-2009 CADILLAC ESCALADE, ESCALADE ESV, ESCALADE EXT; CHEVROLET AVALANCHE, SILVERADO, SUBURBAN, TAHOE; GMC ACADIA, SIERRA, YUKON, YUKON XL; SATURN OUTLOOK; AND MODEL YEAR 2009 CHEVROLET TRAVERSE VEHICLES EQUIPPED WITH A HEATED WASHER FLUID SYSTEM (HWFS). A RECALL WAS IMPLEMENTED IN 2008 TO ADD A FUSE TO THE CONTROL CIRCUIT HARNESS TO ADDRESS THE POTENTIAL CONSEQUENCES OF A PRINTED CIRCUIT BOARD (PCB) ELECTRICAL SHORT. HOWEVER, THERE HAVE BEEN NEW REPORTS OF THERMAL INCIDENTS ON HWFS MODULES AFTER THIS IMPROVEMENT WAS INSTALLED. THESE INCIDENTS RESULTED FROM A NEW FAILURE MODE ATTRIBUTED TO THE DEVICE'S THERMAL PROTECTION FEATURE. THE SIGNIFICANCE VARIES FROM MINOR DISTORTION TO CONSIDERABLE MELTING OF THE PLASTIC AROUND THE HWFS FLUID CHAMBER.

What breaks on the 2007 Hummer H2?

Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.

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Hummer H2 by Year

Compare KeepScores across nearby years of the Hummer H2. Click any year for its full report.

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Frequently Asked Questions

Full Report

2007 Hummer H2

7-system breakdown, mileage danger zones, repair cost projections, buyer checklist, and expert verdict.

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