There are 3 owner-reported suspension complaints for the 2006 Hummer H2in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL*THE CONTACT OWNS A 2006 GMC HUMMER H2. WHILE DRIVING 55 MPH, THE CONTACT LOST CONTROL OF THE VEHICLE AND DROVE INTO A CANAL. THE TOW MECHANIC STATED THAT THE LOWER BALL JOINT SNAPPED AND CAUSED THE FAILURE. THE DRIVER AND PASSENGER SUSTAINED SCRATCHES FROM THE CRASH. A POLICE REPORT WAS FILED. THE VEHICLE WAS DESTROYED. THE CURRENT AND FAILURE MILEAGES WERE 8,000.
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
2006 HUMMER H2 FIXED 3 TIMES FROM DEALER THERE IS A SQUEAK COMING FROM THE REAR PART OF THE VEHICLE THE NOISE OCCURS WHEN GOING OVER BUMPS SUCH AS A SPEED BUMP ALSO WHEN STOPPING AND GOING...AND ESPECIALLY WHEN PULLING OUT OF A DRIVEWAY. *JB
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026