Table 1 shows nine common engine and engine cooling related problems of the 2021 GMC Sierra 1500. The number one most common problem is related to the engine and engine cooling (211 problems). The second most common problem is related to the engine cooling system (five problems).
The contact owns a 2021 GMC Sierra 1500. The contact stated that while driving at an undisclosed speed, the engine seized. The contact was unaware of a warning light being illuminated. The contact stated that while attempting to start the vehicle, the vehicle failed to start. Read details...
The contact owns a 2021 GMC Sierra 1500. The contact received notification of NHTSA campaign number: 25v274000 (engine and engine cooling); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall Read details...
[xxx], I purchased a 2021 GMC Sierra 1500 from faulkner Chevrolet in bethlehem, PA. I test drove the vehicle before purchase and it showed no indication of any mechanical issues that I was able to detect. Read details...