2015 GMC Sierra Denali vs 2016 GMC Sierra Denali
Complaints, recalls, TSBs, investigations and safety ratings side by side, from official federal data. Last verified Aug 8, 2026. Raw complaint counts are not adjusted for sales volume.
| Metric | 2015 GMC Sierra Denali | 2016 GMC Sierra Denali |
|---|---|---|
| NHTSA complaints | 22 | 30 |
| Recall campaigns | 0 | 0 |
| Service bulletins (TSBs) | 1,813 | 1,274 |
| Investigations | 1 | 0 |
| Crash reports | 1 | 2 |
| Fire reports | 0 | 0 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | — | — |
| Median reported incident mileage | — | 48,000 mi |
Reported problems side by side
| Component | GMC Sierra Denali | GMC Sierra Denali |
|---|---|---|
| Service Brakes | 7 | 8 |
| Power Train | 5 | 9 |
| Steering | 1 | 6 |
| Electrical System | 3 | 2 |
| Engine | 1 | 3 |
| Seats | 1 | 1 |
| Structure | 1 | 1 |
| Exterior Lighting | 0 | 2 |
2015 GMC Sierra Denali
2016 GMC Sierra Denali
Compare all GMC Sierra Denali vs GMC Sierra Denali years →
Method. Complaints are unique NHTSA reports. A vehicle that sold more units will naturally accumulate more complaints — use shares and read the underlying reports before drawing conclusions.