2006 Gmc Sierra: Reliability Data

Source: NHTSA — 65 complaints
65
Total Complaints
41,000mi
Median Mileage
SERVICE BRAKES
Top Issue
3
Crash Reports

When Do Complaints Happen?

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

17,842 25th Percentile
41,000 Median Mileage
79,607 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

SERVICE BRAKES
20
ELECTRICAL SYSTEM
7
SERVICE BRAKES, HYDRAULIC
5
STEERING
3
SUSPENSION:FRONT:WHEEL BEARING
2
POWER TRAIN:AUTOMATIC TRANSMISSION
2
AIR BAGS
2
SUSPENSION:FRONT:HUB
2
TIRES:BEAD
1
TIRES
1

Severity Assessment

3
Crashes
3
Fires
0
Injuries
0
Deaths

Sample Complaint Reports

"DT: THE CONTACT STATED THAT AS SOON AS HE PURCHASED THE VEHICLE SOME KIND OF SMELL STARTED, AND THEN IT STARTED MAKING A RUBBING NOISE THAT SOUNDED LIKE THE SERPENTINE BELT OR SOME KIND BEARINGS. THE VEHICLE HAS BEEN TAKEN TO THE DEALERSHIP, AND TOLD THE CONTACT THAT THE AIR CONDITIONER WAS MAKIN..."
"DT: THE CONTACT STATED THE STEERING WHEEL LOCKED WHEN HE APPLIED THE BRAKE. AFTER THREE ATTEMPTS THE DEALER HAS BEEN UNABLE TO REPAIR THE PROBLEM. ANOTHER DEALER INFORMED HIM THIS WAS THE DESIGN OF THE VEHICLE. THE MANUFACTURER ADVISED HIM TO TAKE IT TO THE DEALER. *AK UPDATED 11/29/05. *JB"
"DT*: THE CONTACT STATED WHILE TRAVELING 50 MPH, A BUMPING NOISE WAS HEARD COMING FROM THE REAR OF THE VEHICLE. WHEN THE CONTACT LOOKED IN THE REARVIEW MIRROR, NOTHING WAS NOTICED. WHEN THE VEHICLE WAS PARKED, THE CONTACT FOUND THE DRIVER SIDE TAILLIGHT ASSEMBLY WAS HANGING BY THE WIRES. THE DEAL..."

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