2015 GMC Sierra 1500 suspension problems
17 owner complaints filed with NHTSA name the suspension on the 2015 GMC Sierra 1500 — 2% of all complaints for this model year.
What owners report
“Truck started to make loud clunking noise when driving taken it to two shops and wrong parts were installed as stated below. Bought from a used car dealership and they sold it as is now with the wrong parts.”
filed Mar 23, 2026
“The mount for the rear shock absorber has completely rusted away on the driver side. The tube is gone now that it was attached to. This is a way to new of a truck for that kind of rust to happen I have been around 40 year old trucks that this never happened to.”
filed Jul 19, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Suspension problems in other Sierra 1500 years
| Year | Reports | Share |
|---|---|---|
| 2026 Sierra 1500 | 1 | 1% |
| 2025 Sierra 1500 | 1 | 1% |
| 2024 Sierra 1500 | 3 | 1% |
| 2023 Sierra 1500 | 2 | 0% |
| 2022 Sierra 1500 | 2 | 0% |
| 2021 Sierra 1500 | 8 | 2% |
| 2020 Sierra 1500 | 18 | 4% |
| 2019 Sierra 1500 | 9 | 1% |
| 2018 Sierra 1500 | 10 | 3% |
| 2017 Sierra 1500 | 8 | 2% |
| 2016 Sierra 1500 | 15 | 4% |
| 2014 Sierra 1500 | 24 | 3% |
Other reported problem areas on the 2015 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.