2019 GMC Sierra 1500 engine and engine cooling problems
25 owner complaints filed with NHTSA name the engine and engine cooling on the 2019 GMC Sierra 1500 — 4% of all complaints for this model year.
What owners report
“The contact owns a 2019 GMC Sierra 1500. The contact stated that while driving at an undisclosed speed, the vehicle came to a full stop to allow wildlife to cross the road. Upon accelerating, the engine made an abnormal banging noise. The contact stopped to inspect the vehicle and observed an…”
filed Sep 16, 2026
“The contact owns a 2019 GMC Sierra 1500. The contact stated that while driving 55 MPH, the low oil pressure message was displayed. The engine oil cooler line had detached, and oil was leaking from the vehicle, causing the engine to seize. The contact associated the failure with General Motors…”
filed Jul 16, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine and Engine Cooling problems in other Sierra 1500 years
| Year | Reports | Share |
|---|---|---|
| 2025 Sierra 1500 | 3 | 3% |
| 2024 Sierra 1500 | 30 | 8% |
| 2023 Sierra 1500 | 22 | 5% |
| 2022 Sierra 1500 | 28 | 5% |
| 2021 Sierra 1500 | 49 | 9% |
| 2020 Sierra 1500 | 19 | 4% |
| 2018 Sierra 1500 | 6 | 2% |
| 2017 Sierra 1500 | 2 | 1% |
| 2016 Sierra 1500 | 3 | 1% |
| 2015 Sierra 1500 | 1 | 0% |
| 2014 Sierra 1500 | 5 | 1% |
| 2012 Sierra 1500 | 1 | 1% |
Other reported problem areas on the 2019 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.