One problem related to structure has been reported for the 2018 GMC Sierra. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2018 GMC Sierra based on all problems reported for the 2018 Sierra.
The contact owns a 2018 GMC Sierra 1500 denali. The contact stated that while driving at an undisclosed speed, and while the vehicle was parked, the running boards unexpectedly lowered. Additionally, there was oil leaking from the vehicle, and the check engine warning light was illuminated. The vehicle was taken to the dealer, where it was diagnosed with camshaft failure. The contact was informed that the camshaft needed to be replaced. The vehicle was repaired. The manufacturer was made aware of the failure. The approximate failure mileage was 107,000.
| Body problems | |
| Structure problems |