2021 GMC Sierra 1500 oil consumption reports
13 NHTSA complaints describe engine burns oil between changes on the 2021 GMC Sierra 1500 — roughly 2% of all complaints for this model year.
13
Oil consumption reports
2%
share of complaints
50,000 mi
median reported incident mileage (all complaints)
Components reported on this vehicle
Oil consumption in other Sierra 1500 years
| 2023 Sierra 1500 | 6 |
| 2022 Sierra 1500 | 12 |
Other symptoms owners describe on the 2021 GMC Sierra 1500
Symptom counts come from keyword analysis of complaint narratives. One complaint can describe several symptoms, and classification is approximate — read the underlying reports on the full 2021 GMC Sierra 1500 report before drawing conclusions.