2025 GMC Sierra 3500 Problems, Complaints & Recalls
- Compared with other Sierra 3500 years
- About as many complaints as other years 16th of 31 for complaints
- Safety recalls
- 1 recall: check your VIN
- NHTSA crash rating
- Not rated
Owners have filed 17 complaints with NHTSA about the 2025 GMC Sierra 3500. That ranks 16th out of 31 Sierra 3500 model years for complaints. The most reported problem area is service brakes (4 complaints, 24%). There is 1 safety recall covering this model year.
- 17owner complaints
- 1safety recalls
- 0NHTSA investigations
- 0complaints mentioning a crash
Complaints are unverified owner reports and are not adjusted for sales volume.
Most common 2025 GMC Sierra 3500 problems
Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.
| Problem area | Complaints | Share | Median miles | Owners mention most | Typical repair cost |
|---|---|---|---|---|---|
| Service Brakes | 4 | 24% | — | — | — |
| Electrical System | 3 | 18% | — | — | — |
| Engine | 2 | 12% | — | — | — |
| Forward Collision Avoidance | 2 | 12% | — | — | — |
| Structure | 2 | 12% | — | — | — |
| Tires | 2 | 12% | — | — | — |
| Unknown or Other | 2 | 12% | — | — | — |
| Engine and Engine Cooling | 1 | 6% | 40,000 | — | — |
| Equipment | 1 | 6% | — | — | — |
| Exterior Lighting | 1 | 6% | — | — | — |
| Lane Departure | 1 | 6% | — | — | — |
| Power Train | 1 | 6% | 40,000 | — | — |
| Service Brakes, Hydraulic | 1 | 6% | — | — | — |
| Steering | 1 | 6% | — | — | — |
| Wheels | 1 | 6% | — | — | — |
One complaint can list several problem areas, so shares can add up to more than 100%.
Complaints by year received
2025 GMC Sierra 3500 recalls (1)
Tap a recall to see the problem, the risk and the fix.
Fuel system, gasoline:delivery:fuel pump:control/drive module
Problem: General Motors, LLC (GM) is recalling certain 2025-2026 Chevrolet Silverado 3500, and GMC Sierra 3500 vehicles with gasoline engines and dual fuel tanks (RPOs L8T and N2N). The rear fuel pump may not transfer adequate fuel to the front tank, causing an engine stall.
Risk: An engine stall increases the risk of a crash.
Fix: The vehicle's engine control module (ECM) will be updated by a dealer or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed April 8, 2026. Owners may contact GMC customer service at 1-800-462-8782 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N262544420. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on March 5, 2026.
To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.
Recent owner reports
Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.
At approximately 9,000 miles and 9 months of ownership, both front wheelhouse liners on my 2025 GMC Sierra 3500HD Denali Ultimate permanently deformed and sagged into the front tire clearance area. The truck is completely stock, including the factory wheels, tires, suspension, and ride height. No…
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…
The contact owns a 2025 GMC Sierra 3500 used for hauling a 2026 Aluminum Trailer equipped with a DeeMaxx: DBI-7K-MAXX-SS-KIT brake kit. The contact stated that while driving at an undisclosed speed, the brake caliper bracket detached due to insufficient generic quality bolts included in the brake…
The contact owns a 2025 GMC Sierra 3500. The contact stated that the transmission was shifting hard and was jerking while shifting gear. Additionally, the vehicle failed to accelerate above 50 MPH. The messages âReduced Accelerationâ and âDEF Lowâ were displayed. While refueling the…
I am reporting a potential safety defect involving Goodyear Wrangler TrailRunner AT tires size LT275/65R20. I purchased a new 2025 GMC Sierra 3500HD in August 2025. By the time the vehicle reached approximately 1,800 miles, noticeable sidewall bulges appeared on both rear tires. As a 36-year…
Other GMC Sierra 3500 years
← 2024 Sierra 3500 · 2026 Sierra 3500 →
See all GMC Sierra 3500 problems by year, every GMC model, or the GMC VIN decoder.
Similar GMC models
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Frequently asked questions
What are the most common problems with the 2025 GMC Sierra 3500?
Owners most often report service brakes, electrical system, engine problems. The top one, service brakes, accounts for 4 complaints.
Was there a recall on the 2025 GMC Sierra 3500?
Yes, 1 safety recall. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.
Was the 2025 GMC Sierra 3500 a good year?
Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other Sierra 3500 model years, the 2025 has about as many complaints as a typical year. Always get a pre-purchase inspection and check the VIN for open recalls.