YearToAvoid

2006 GMC Sierra 3500 Reliability Data: Problems & Recalls

Good The 2006 GMC Sierra 3500 has a complaint index of 25, the second-lowest among the 21 model years tracked, and carries a Good verdict with no recalls filed. Ranked 16th out of 21 years from worst to best, it sits well below higher-complaint years like 2020 and 2024.

Based on NHTSA complaints per model-year, not a reliability rating. Methodology

YearToAvoid Scorecard

Complaint Index
25/100
#16 of 21 Sierra 3500 years
Verdict
Good
vs. other years of this model
Complaints
11
unique NHTSA reports
Recalls
0
distinct NHTSA campaigns
Crashes
1
reported in complaints
Fires
1
Injuries
1
Top issue
Steering
Best nearby year
2012
rated Best

Top 2006 GMC Sierra 3500 problems

Share of this year’s NHTSA complaints by component group. Groups with 15+ complaints have their own page.

  1. Steering3 (27%)
  2. Transmission & Powertrain3 (27%)
  3. Airbags2 (18%)
  4. Brakes2 (18%)
  5. Engine1 (9%)
  6. Suspension, Wheels & Tires1 (9%)

A complaint can list more than one component, so shares add up to more than 100%. Shares are % of complaints.

What owners report

  • Some owners report the engine stalling at highway speed with a temporary loss of power steering and brakes before the vehicle restarts on its own.
  • Transmission cooling lines and pipes have leaked fluid, in one case requiring replacement twice within 20 months.
  • Owners describe the steering wheel locking into place suddenly while driving, requiring a hard jerk to release it.
  • Power steering fluid has leaked into the brake system, causing the brakes to seize, with one owner reporting the issue recurred three times.
  • A tire developed a bubble from an inner lining leak roughly once a year for several years, according to one owner.
  • One owner reported airbags failing to deploy in a frontal crash that destroyed the front of the truck.
2006 GMC Sierra 3500 complaints: complaints filed per month2Feb 2008Mar 2010Jun 2011Sep 2014May 2017
11 complaints filed with NHTSA from Feb 2008 to Jan 2026; peak Feb 2008 (2).

2006 GMC Sierra 3500 recalls

No safety recalls on record for this model year.

2006 compared with other Sierra 3500 years

Complaint Index by model year (0 = fewest issues, 100 = most)0255075100’05’06’07’08’09’10’11’12’13’14’15’16’17’18’19’20’21’22’23’24’25
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2005Good35240—
2006Good25110—
2007Good40163—
2008Caution55253—

All GMC Sierra 3500 years: best and worst →

Frequently asked questions

Is the 2006 GMC Sierra 3500 a good year?
Yes, relative to other Sierra 3500 model years. It has a complaint index of 25, ranks 16th out of 21 years from worst to best, and carries a Good verdict.
What problems does the 2006 GMC Sierra 3500 have?
NHTSA complaints most often cite steering (27% of complaints) and transmission/powertrain issues (27%), followed by airbags and brakes.
Does the 2006 GMC Sierra 3500 have any recalls?
No. NHTSA lists zero recalls for the 2006 model year, unlike several later Sierra 3500 years that have multiple recall campaigns.
How many complaints does the 2006 GMC Sierra 3500 have compared to other years?
NHTSA lists 11 complaints for 2006, fewer than years like 2020 (51 complaints) and 2024 (47 complaints), which are rated Avoid.
What is the median mileage for steering failures in the 2006 Sierra 3500?
NHTSA data shows a median mileage of 86,578 miles for steering-related complaints on this model year.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.