Reliability & cost of ownership
GMC Sierra Denali Reliability & Common Problems
How reliable is the GMC Sierra Denali? Compare every model year side by side — NHTSA recalls, owner complaints, and crash-test stars where on file — then open the year you're shopping for its AI reliability outlook where NHTSA has enough data.
GMC Sierra Denali problems by model year
5 recall entries across 4 model years and 250 owner complaints across 18 model years on file, sourced from the federal NHTSA database. We couldn't confirm the NHTSA recall list for the remaining 14 model years — check the VIN at nhtsa.gov/recalls.
Most-complained-about components
Owner complaints filed with NHTSA against the GMC Sierra Denali, grouped by the component each complaint names — the fastest read on where this model gives trouble.
- unknown or other54 complaints
- service brakes44 complaints
- structure34 complaints
- power train28 complaints
- steering27 complaints
- air bags26 complaints
- engine22 complaints
- electrical system18 complaints