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2019 Gmc Sierra 1500
2019 GMC Sierra 1500: engine and transmission lead the complaints
Engine problems make up the largest share of owner complaints, with reports of sudden oil pressure loss and oil leaking while driving. Powertrain and brake complaints are also widely reported, alongside a notable thread of electrical issues. Across all four areas, some incidents involved fires or crashes.
Most reported areas
Engine safety 45%
Owners report sudden dashboard warnings of lost oil pressure while driving, loss of engine power, and oil pooling beneath the vehicle after pulling over. · 3 fire · 2 crash · 1 injured
Power Train safety 21%
Owners describe harsh, jarring shifts at low speeds, when moving from a stop, and during deceleration, with at least one account of an especially violent shift while parking. · 1 fire · 1 injured
Service Brakes safety 19%
Owners report a troubling brake issue that persisted even after a dealership visit where service personnel had difficulty acknowledging the problem. · 5 crash · 3 injured
Electrical System safety 16%
Owners report an unspecified but troubling electrical issue that dealerships were initially reluctant to recognize as a real fault. · 3 fire
Steering safety 7%
42 reports (7%), tied to 3 crashes. Less common, but worth a careful steering check on the test drive.
Source: NHTSA owner complaints · 595 complaints
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Get Vehicle Story Maintenance scheduleGeneral information compiled from public NHTSA complaint data, for reference only — not professional advice and not reviewed by automotive experts. Verify before acting; Team AM is not responsible for decisions made from it.