Worst 2006 GMC Sierra Problems
Top 3 most-reported issues with average mileage at failure.
Brakes
Electrical Faults
Hydraulic Brakes
Check the actual VIN — every car is different.
This page shows the model year's reputation. The VIN tells you about this specific car — accidents, title issues, odometer rollbacks. Full report just $4.99 (vs. Carfax $44.99).
All Problems by Category
Every NHTSA complaint category for the 2006 GMC Sierra.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Brakes | 20 | 3 | — | 54,694 mi | |
| Electrical Faults | 7 | — | 1 | 66,571 mi | |
| Hydraulic Brakes | 5 | — | — | 29,763 mi | |
| Steering Defects | 3 | — | — | — | |
| Airbags | 2 | — | — | — | |
| Automatic Transmission | 2 | — | — | — | |
| Suspension:Front:Hub | 2 | — | — | — | |
| Suspension:Front:Wheel Bearing | 2 | — | 1 | — | |
| Air Bags:Frontal | 1 | — | — | — | |
| Engine & Cooling | 1 | — | 1 | — | |
| Equipment:Appliance:Air Conditioner | 1 | — | — | — | |
| Exterior Lighting:Tail Lights | 1 | — | — | — | |
| Gasoline Fuel System | 1 | — | — | — | |
| Fuel System | 1 | — | — | — | |
| Latches / Locks | 1 | — | — | — | |
| Seat Belt Issues | 1 | — | — | — | |
| Seat-Related Issues | 1 | — | — | — | |
| Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip | 1 | — | — | — | |
| Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip:Wheel Speed Sensor/Tone Ring | 1 | — | — | — | |
| Steering:Rack And Pinion | 1 | — | — | — | |
| Structure:Frame And Members:Underbody Shields | 1 | — | — | — | |
| Suspension Failures | 1 | — | — | — | |
| Suspension:Front:Shock Absorber | 1 | — | — | — | |
| Suspension:Rear:Shock Absorber | 1 | — | — | — | |
| Tire Defects | 1 | — | — | — | |
| Tires:Bead | 1 | — | — | — | |
| Visibility | 1 | — | — | — | |
| Wipers & Visibility | 1 | — | — | — | |
| Visibility:Defroster/Defogger/Hvac System | 1 | — | — | — |
Search Owner Complaints
Read what owners actually reported to NHTSA for the 2006 GMC Sierra. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Other GMC Sierra Years
2006 GMC Sierra — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 2006 GMC Sierra reliable?
What are common problems with the 2006 GMC Sierra?
At what mileage do problems start on the 2006 GMC Sierra?
How safe is the 2006 GMC Sierra?
Does the 2006 GMC Sierra have any recalls?
Should I buy a 2006 GMC Sierra?
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.
Wider context: See the full GMC Sierra reliability report with year-by-year comparison and generation analysis.
Check Your Specific 2006 GMC Sierra
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
Check Any VIN — $4.99