One problem related to warnings has been reported for the 2023 GMC Sierra 3500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2023 GMC Sierra 3500 based on all problems reported for the 2023 Sierra 3500.
On christmas day 2025 my tailgate flies open on its own and I see my cargo flying out and a piece of it bounced off my taillight passenger side braking the taillight and then when attempting to pull over my lane departing feature try’s to correct its self and I hit the median luckily at slower than I was going but enough to make a decent dent on front bumper.
| Adaptive Cruise Control problems | |
| Warnings problems |