GMC Sierra 1500 owners have reported 1,183 power train related problems since 1996. Table 1 shows the 28 most common power train problems. The number one most common problem is related to the vehicle's power train (1,020 problems). The second most common problem is related to the vehicle's automatic transmission (25 problems). For details of each of the problem category, use the links in the table.
While driving at highway speed, my 2025 GMC sierra suddenly began slowing down without warning and lost propulsion. When I pressed the accelerator, there was no acceleration response. The vehicle felt like it was braking or dragging instead of accelerating, creating a serious crash risk in traffic. Read details...
The contact owns a 2024 GMC Sierra 1500. The contact stated that while attempting to reverse out of a parking space, the transmission failed to respond while in reverse. Additionally, the vehicle operated in limp mode. Read details...
The contact owns a 2020 GMC Sierra 1500. The contact stated that while driving at an undisclosed speed, the vehicle unexpectedly sputtered. There was no warning light illuminated. The vehicle was taken to the dealer, where it was diagnosed with torque converter failure. Read details...
The contact owns a 2023 GMC Sierra 1500. The contact stated that while driving uphill, the vehicle unexpectedly lost motive power. There was no warning light illuminated. The vehicle failed to restart and was towed to the dealer, where it was diagnosed, and determined that the engine block had Read details...
The contact owns a 2024 GMC Sierra 1500. The contact stated that while driving approximately 65 mph, the vehicle rolled over a bump in the highway, and the message to "slow down" was displayed on the instrument cluster. Read details...