2006 Hummer H2: Reliability Data

Source: NHTSA — 35 complaints
35
Total Complaints
55,000mi
Median Mileage
ELECTRICAL SYSTEM
Top Issue
4
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

13,664 25th Percentile
55,000 Median Mileage
115,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ELECTRICAL SYSTEM
4
ENGINE
3
STEERING
3
SEATS
2
AIR BAGS
2
SUSPENSION:REAR
2
SERVICE BRAKES
2
UNKNOWN OR OTHER
2
ENGINE AND ENGINE COOLING
1
SUSPENSION:FRONT:CONTROL ARM:LOWER BALL JOINT
1

Severity Assessment

4
Crashes
2
Fires
10
Injuries
0
Deaths

Sample Complaint Reports

"BRAKES ARE VERY NOISY (SQUEAKING) DEALER GRINDED DOWN BRAKE PADS AND REMOVED AND SANDED THE ROTORS. STILL HAVE SQUEAK NOT AS BAD. VERY CONCERNED ON BRAKE ISSUE AND JIMMY RIG FIX AT 6000 MILES"
"BRAKES ARE VERY NOISY (SQUEAKING) DEALER GRINDED DOWN BRAKE PADS AND REMOVED AND SANDED THE ROTORS. STILL HAVE SQUEAK NOT AS BAD. VERY CONCERNED ON BRAKE ISSUE AND JIMMY RIG FIX AT 6000 MILES"
"BRAKES ARE VERY NOISY (SQUEAKING) DEALER GRINDED DOWN BRAKE PADS AND REMOVED AND SANDED THE ROTORS. STILL HAVE SQUEAK NOT AS BAD. VERY CONCERNED ON BRAKE ISSUE AND JIMMY RIG FIX AT 6000 MILES"

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

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