repaired · 2026 Q3
Fuel pump: control/drive module
NewRisk. An engine stall increases the risk of a crash.
2026 GMC Sierra 3500Problems, recalls & complaints
NHTSA has logged 5 owner complaints about the 2026 GMC Sierra 3500, most often about the power train. It is covered by 2 safety recalls.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through October 6, 2026. Updated daily. Photo: Elise240SX, CC BY-SA 4.0.
Complaints by system
Where the 2026 GMC Sierra 3500 has problems
5 complaints grouped by the system owners reported.
2Power train
2Wheels
1Electrical system
1Fuel/propulsion system
1Service brakes, hydraulic
1Steering
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Power train | 2 | 0 |
| Wheels | 2 | 0 |
| Electrical system | 1 | 0 |
| Fuel/propulsion system | 1 | 0 |
| Service brakes, hydraulic | 1 | 0 |
| Steering | 1 | 0 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
2 recalls
2026 GMC Sierra 3500 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.
repaired · 2026 Q3
Other: owners/service/other manual
NewRisk. Without an owner's manual to consult, owners may not know how to safely use and operate the vehicle, increasing the risk of injury in a crash.
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.
Best & worst years
2026 vs. every other Sierra 3500 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 3500 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 3500 owners report
Recent power train complaints filed with NHTSA, shortened. Personal details are removed.
The contact owns a 2026 GMC Sierra 3500. The contact stated that while driving at 35-40 MPH on the interstate and towing a loaded trailer, the vehicle experienced reduced braking performance. No warning lights illuminated. The local dealer was contacted and informed that the brakes performed…
Have been driving it on four separate occasions and the engine will start running rough and shut off leaving me with no power brakes or power steering. Once when I was going about 30 miles an hour the other three times when I was coming to a stop with a trailer on just took it in Kendall Chevrolet…
Own a 2026 Sierra 3500?
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.