2006 GMC Sierra 2500Problems, recalls & complaints

NHTSA has logged 66 owner complaints about the 2006 GMC Sierra 2500, most often about the service brakes. It is covered by 1 safety recall.

2006 GMC Sierra 2500

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through October 28, 2020. Updated daily. Photo: SsmIntrigue, CC BY-SA 4.0.

Complaints by system

Where the 2006 GMC Sierra 2500 has problems

66 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Service brakes241
Power train120
Steering101
Tires60
Service brakes, hydraulic60
Engine and engine cooling51
Electrical system42
Air bags32
Suspension20
5 other systems61

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

1 recall

2006 GMC Sierra 2500 recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with GMC.

Mileage at failure

When do service brakes problems start?

60kmiles, median

Based on the odometer reading in 23 service brakes complaints. 65% were reported before 100,000 miles.

median0k50k100k150k200k+
2under 30k miles15under 100k miles8100k miles or more
Best & worst years

2006 vs. every other Sierra 2500 year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Sierra 2500 median. How we score

'97'98'99'00'01'02'03'04'05'06'07'08'09'10'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25'26
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
In owners' words

What Sierra 2500 owners report

Recent service brakes complaints filed with NHTSA, shortened. Personal details are removed.

BRAKES FAILED "COMPLETELY", WITH NO WARNING. NO "WARNING LIGHT" ON THE INSTRUMENT PANEL WHILE DRIVING ON A PUBLIC ROAD IN THE COUNTY. ALL OF A SUDDEN ABSOLUTELY NO BRAKES. HAD RECENTLY HAULED A CAR ON A TRAILER FROM EMPORIA, KANSAS. WAS PREPARING TO HAUL CALVES TO THE SALE BARN. NOW THAT WOULD HAVE…
Complaint 11327479 · Jun 5, 2020 · 147,000 miles
BRAKE LINES BUSTED. THIS IS A VERY SERIOUS PROBLEM BECAUSE I WAS HAULING A LOAD AND GOT EXTREMELY EXTREMELY LUCKY THAT IT BUSTED AS I WAS PULLING IN DRIVEWAY. I WAS PULLING A LOADED TRAILER WITH NO BRAKES. THIS IS A VERY COMMON ISSUE WITH THE 2005 AND 2006 2500 TRUCKS. I CAN NAME 6 VEHICLES I KNOW…
Complaint 11317547 · Mar 11, 2020 · 150,000 miles
TL* THE CONTACT OWNS A 2006 GMC SIERRA 2500. THE CONTACT STATED THAT THE BRAKES WERE INEFFECTIVE AND EXCESSIVE PRESSURE HAD TO BE APPLIED TO THE BRAKE PEDAL TO FULLY STOP THE VEHICLE. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS TAKEN TO SULLIVAN AUTOMOTIVE GROUP (2406 N SECTION…
Complaint 11231041 · Jul 11, 2019

Own a 2006 Sierra 2500?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.