2005 Hummer H2: Reliability Data
When Do Complaints Happen?
Distribution of NHTSA complaints by vehicle mileage at time of report.
What Fails?
Most reported component issues from NHTSA complaints.
Severity Assessment
Sample Complaint Reports
"VEHICLE HAD A BENT RIM THAT CAME DIRECTLY FROM THE MANUFACTURER. CONSUMER TOOK THE VEHICLE TO THE DEALER, AND WAS INFORMED THAT BECAUSE THE RIM WAS BENT IT WAS CAUSING THE TIRE TO GO FLAT. CONSUMER LEFT THE VEHICLE AT THE DEALER FOR TWO WEEKS, AND WAS INFORMED THAT THE MANUFACTURER WAS NOT TAKING R..."
"2005 H2, PURCHASED 10/2004 THERE IS A NOISE THAT CANNOT BE LOCATED AND REPAIRED. SEWELL CADILLAC, DALLAS, TEXAS REPLACED THE FRONT DIFFERENTIAL (IT HAD METAL SHAVINGS IN IT), REPLACED REAR SPRINGS OBSERVING THEY WERE OVER EXTENDED, BUBBLED AND WARPED. THE CAR IN TWO SEPARATE REPAIR TICKETS HAS BE..."
"2005 AM GENERAL HUMMER H2 BRAKES GO ALL THE WAY TO THE FLOOR ON A PANIC STOP. THIS PROVIDES NO FEEDBACK FOR THE HUMAN-MACHINE INTERFACE. THIS IS CONTRARY TO ACCEPTED VEHICLE BRAKE DESIGN PRACTICE AND MAY CAUSE A DRIVER TO PANIC."
Source: NHTSA ODI Complaints Database. Names and identifying details omitted.
When Were Complaints Filed?
Number of complaints by the year the issue occurred.
When Does Each Component Fail?
Median mileage at complaint for top components.
Where Are Complaints Coming From?
Top states by complaint count.
Who Files Complaints?
Hummer H2 — Other Years
See how this model compares across different model years.
Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.
Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.
Data through: 2026-03-28
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