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What 26 owners told NHTSA about the 2019 GMC Sierra Denali

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (26)Crash / fire / injury (1)Brakes (8)Steering (7)Electrical system (5)Electronic Stability Control (esc) (5)Engine (4)Transmission & drivetrain (4)Lights (2)Backup camera & sensors (1)Body & structure (1)Engine & cooling (1)

Newest first · 26 complaints · page 2 of 2

Jun 21, 2019Body & structureEquipment

TL* THE CONTACT OWNS A 2019 GMC SIERRA DENALI. WHILE DRIVING 55 MPH, THE TONNEAU COVER DETACHED FORM THE BED OF THE VEHICLE. THE CONTACT RECEIVED A RECALL NOTICE FOR NHTSA CAMPAIGN NUMBER: 19E031000 (EQUIPMENT) ON MAY 11, 2019, THE SAME DAY AS THE COVER DETACHED FROM THE VEHICLE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE DEALER AND MANUFACTURER WERE CONTACTED. THE FAILURE MILEAGE WAS ALSO CLOSER TO 11,500. *JB

NHTSA ODI 11221805

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Working with the data? Download all 26 complaints as CSV · fetched from NHTSA July 20, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2019 GMC Sierra Denali verdict →