2025 GMC Sierra 3500Problems, recalls & complaints

NHTSA has logged 18 owner complaints about the 2025 GMC Sierra 3500, most often about the service brakes. It is covered by 1 safety recall.

2025 GMC Sierra 3500

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through November 2, 2026. Updated daily. Photo: Elise240SX, CC BY-SA 4.0.

Complaints by system

Where the 2025 GMC Sierra 3500 has problems

18 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 brakes50
Electrical system30
Forward collision avoidance20
Tires20
Structure20
Engine20
Steering10
Wheels10
Engine and engine cooling10
5 other systems50

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

1 recall

2025 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.

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

2025 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 service brakes complaints filed with NHTSA, shortened. Personal details are removed.

While trying to slow from freeway speed at an off-ramp, the braking system while in tow mode turned off while towing a 21K 5th wheel. I almost could not stop in time. The voltage of the trailer system has been checked and is good. This is the 4th time the braking system has turned off the trailer…
Complaint 11775234 · Nov 2, 2026
The electronic part of the truck gave a warning and shut off my trailer brake system while towing a 21K 5th wheel trailer (X2). The truck is available for inspection. Any part of the electronics package that has the ability to disable a trailer braking system while towing needs to be…
Complaint 11732209 · Apr 19, 2026
The truck automatically engages the parking brake ONLY when on an incline, never at any other time. I am so used to engaging the parking brake at all other times I also engage it when on an incline. The problem is the truck DISENGAGES the brake automatically after I've engaged it. This has happened…
Complaint 11714433 · Jan 30, 2026

Own a 2025 Sierra 3500?

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