Reliability & cost of ownership
GMC Denali Reliability & Common Problems
How reliable is the GMC 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 Denali problems by model year
4 recall entries across 4 model years and 158 owner complaints across 14 model years on file, sourced from the federal NHTSA database. We couldn't confirm the NHTSA recall list for the remaining 10 model years — check the VIN at nhtsa.gov/recalls.
Most-complained-about components
Owner complaints filed with NHTSA against the GMC Denali, grouped by the component each complaint names — the fastest read on where this model gives trouble.
- unknown or other25 complaints
- air bags23 complaints
- power train19 complaints
- electrical system18 complaints
- service brakes, hydraulic15 complaints
- steering13 complaints
- engine and engine cooling13 complaints
- exterior lighting11 complaints