2011 GMC Sierra 1500 power train problems
24 owner complaints filed with NHTSA name the power train on the 2011 GMC Sierra 1500 — 8% of all complaints for this model year.
What owners report
“Vehicle experienced a catastrophic mechanical failure characterized by a percussive "shotgun blast" noise from the rear chassis, followed by an immediate, total loss of braking power (pedal to the floor) and a violent loss of directional stability. This incident represents an aggravated safety…”
filed Mar 13, 2026
“11/2022 shift cable separated from shift lever; preventing ability to put vehicle Into park. Retaining clip deteriorated allowing separation. Fortunately it happened when leaving parking garage and not moving fast. Was able to refasten using zip-tie until new retaining clip arrived at auto parts…”
filed Dec 20, 2022
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Power Train problems in other Sierra 1500 years
| Year | Reports | Share |
|---|---|---|
| 2026 Sierra 1500 | 17 | 25% |
| 2025 Sierra 1500 | 20 | 22% |
| 2024 Sierra 1500 | 64 | 20% |
| 2023 Sierra 1500 | 81 | 19% |
| 2022 Sierra 1500 | 100 | 18% |
| 2021 Sierra 1500 | 129 | 24% |
| 2020 Sierra 1500 | 88 | 20% |
| 2019 Sierra 1500 | 129 | 21% |
| 2018 Sierra 1500 | 125 | 43% |
| 2017 Sierra 1500 | 116 | 33% |
| 2016 Sierra 1500 | 83 | 25% |
| 2015 Sierra 1500 | 95 | 13% |
Other reported problem areas on the 2011 GMC Sierra 1500
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.