24 problems have been reported for the 2025 GMC Sierra 3500. The following chart shows the 12 most common problems for 2025 GMC Sierra 3500. The number one most common problem is related to the vehicle's service brakes, hydraulic with 5 problems. The second most common problem is related to the vehicle's equipment (3 problems).
| Problem Category | Number of Problems |
|---|---|
| Service Brakes | |
| Equipment | |
| Electrical System | |
| Engine And Engine Cooling | |
| Structure | |
| Forward Collision Avoidance | |
| Power Train | |
| Exterior Lighting | |
| Wheel | |
| Tire | |
| Lane Departure | |
| Steering |
The following chart shows the number of problems reported during each of the service years since the debut of the 2025 GMC Sierra 3500 in 2025.
| Service Year | Number of Problems |
|---|---|
| 2026 | |
| 2025 |
When making the decision between buying a new or used GMC Sierra 3500, the following table can be used to compare the 2025 GMC Sierra 3500 with the GMC Sierra 3500 from other model years. Note that the number of problems reported for the 2025 Sierra 3500 is 24 while the average number of problems reported for the 31 model years of the GMC Sierra 3500 is 23.