2019 GMC Sierra 1500 fuel/propulsion system problems
22 owner complaints filed with NHTSA name the fuel/propulsion system on the 2019 GMC Sierra 1500 — 3% of all complaints for this model year.
What owners report
“I am the owner of a 2019 GMC Sierra 1500 4WD equipped with the 6.2L L87 V8, VIN [XXX], currently at 177,271 miles. On [ADD DATE] while driving 40-45 mph westbound on [XXX] near XXX in [XXX], in a school zone, the engine suffered sudden catastrophic internal failure with complete loss of propulsion…”
filed Aug 28, 2026
“Total engine power loss while driving 70mph on the highway in steady moving traffic causing a safety hazard, with 3 young children in the vehicle. No prior warning lamps, messages or symptoms to indicate a problem. Engine completely shut down while driving and will not turn back on. Had vehicle…”
filed Jul 14, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other Sierra 1500 years
| Year | Reports | Share |
|---|---|---|
| 2026 Sierra 1500 | 7 | 6% |
| 2025 Sierra 1500 | 6 | 5% |
| 2024 Sierra 1500 | 19 | 5% |
| 2023 Sierra 1500 | 34 | 7% |
| 2022 Sierra 1500 | 25 | 4% |
| 2021 Sierra 1500 | 34 | 6% |
| 2020 Sierra 1500 | 25 | 5% |
| 2018 Sierra 1500 | 10 | 3% |
| 2017 Sierra 1500 | 7 | 2% |
| 2016 Sierra 1500 | 9 | 3% |
| 2015 Sierra 1500 | 13 | 2% |
| 2014 Sierra 1500 | 12 | 2% |
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.