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 — then open the year you're shopping for a full reliability and repair-cost forecast.
Gmc Sierra Denali problems by model year
0 recall entries and 247 owner complaints on file across 18 model years, sourced from the federal NHTSA database.
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.
- service brakes56 complaints
- unknown or other54 complaints
- structure34 complaints
- power train28 complaints
- steering27 complaints
- air bags26 complaints
- engine21 complaints
- electrical system17 complaints