2006 GMC Sierra Problems

Below Average Complaints

Real NHTSA owner complaints for the 2006 GMC Sierra. Part of Generation 2 (GMT800) — 1999–2006.

20052007
Complaints
65
per 10K Sold
3.1
US Sales
210,736
Crashes
3
Fires
3
Injuries
0
Fatalities
Recalls
0

Worst 2006 GMC Sierra Problems

Top 3 most-reported issues with average mileage at failure.

#120 complaints

Brakes

Avg mileage:54,694 mi
Crash-related:3
#27 complaints

Electrical Faults

Avg mileage:66,571 mi
Fires:1
#35 complaints

Hydraulic Brakes

Avg mileage:29,763 mi
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All Problems by Category

Every NHTSA complaint category for the 2006 GMC Sierra.

Brakes
20
complaints
Crashes
3
Fires
Avg Miles
54,694
Electrical Faults
7
complaints
Crashes
Fires
1
Avg Miles
66,571
Hydraulic Brakes
5
complaints
Crashes
Fires
Avg Miles
29,763
Steering Defects
3
complaints
Crashes
Fires
Avg Miles
Airbags
2
complaints
Crashes
Fires
Avg Miles
Automatic Transmission
2
complaints
Crashes
Fires
Avg Miles
Suspension:Front:Hub
2
complaints
Crashes
Fires
Avg Miles
Suspension:Front:Wheel Bearing
2
complaints
Crashes
Fires
1
Avg Miles
Air Bags:Frontal
1
complaints
Crashes
Fires
Avg Miles
Engine & Cooling
1
complaints
Crashes
Fires
1
Avg Miles
Equipment:Appliance:Air Conditioner
1
complaints
Crashes
Fires
Avg Miles
Exterior Lighting:Tail Lights
1
complaints
Crashes
Fires
Avg Miles
Gasoline Fuel System
1
complaints
Crashes
Fires
Avg Miles
Fuel System
1
complaints
Crashes
Fires
Avg Miles
Latches / Locks
1
complaints
Crashes
Fires
Avg Miles
Seat Belt Issues
1
complaints
Crashes
Fires
Avg Miles
Seat-Related Issues
1
complaints
Crashes
Fires
Avg Miles
Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip
1
complaints
Crashes
Fires
Avg Miles
Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip:Wheel Speed Sensor/Tone Ring
1
complaints
Crashes
Fires
Avg Miles
Steering:Rack And Pinion
1
complaints
Crashes
Fires
Avg Miles
Structure:Frame And Members:Underbody Shields
1
complaints
Crashes
Fires
Avg Miles
Suspension Failures
1
complaints
Crashes
Fires
Avg Miles
Suspension:Front:Shock Absorber
1
complaints
Crashes
Fires
Avg Miles
Suspension:Rear:Shock Absorber
1
complaints
Crashes
Fires
Avg Miles
Tire Defects
1
complaints
Crashes
Fires
Avg Miles
Tires:Bead
1
complaints
Crashes
Fires
Avg Miles
Visibility
1
complaints
Crashes
Fires
Avg Miles
Wipers & Visibility
1
complaints
Crashes
Fires
Avg Miles
Visibility:Defroster/Defogger/Hvac System
1
complaints
Crashes
Fires
Avg Miles

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?
Verdict: Below Average Complaints. The 2006 GMC Sierra has 65 NHTSA complaints, 3 crash-related, and 0 recall campaigns. The most common issue is Brakes with 20 complaints. Source: NHTSA via VinItel.
What are common problems with the 2006 GMC Sierra?
Top reported problems: Brakes (20 complaints, avg 54,694 mi); Electrical Faults (7 complaints, avg 66,571 mi); Hydraulic Brakes (5 complaints, avg 29,763 mi). Every complaint is filed by an owner with NHTSA — this is raw reported data, not editorial opinion.
At what mileage do problems start on the 2006 GMC Sierra?
The weighted average mileage at time of complaint is about 53,397 miles. Some components fail earlier, some later — check the "All Problems by Category" table above for per-issue averages.
How safe is the 2006 GMC Sierra?
NHTSA complaints for the 2006 GMC Sierra include 3 crash-related reports, 3 fire reports, 0 injuries, and 0 fatalities. These are owner-reported incidents, not official crash-test ratings — a complaint being filed doesn't confirm a defect, but clusters around specific components are worth investigating.
Does the 2006 GMC Sierra have any recalls?
No NHTSA recall campaigns have been issued for the 2006 GMC Sierra as of the latest data sync. Verify by VIN for the most current status — new recalls can be issued years after a model year ships.
Should I buy a 2006 GMC Sierra?
Fewer complaints than typical for this model. That's a good sign, but every individual car is different — the VIN still tells you what happened to this specific one.

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.

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