GMC Sierra Denali structure problems by year
12 NHTSA owner complaints name the structure across 4 Sierra Denali model years. The most reported year is 2011 with 9 reports.
| Year | Structure reports | Share | Median mileage | |
|---|---|---|---|---|
| 2019 Sierra Denali | 1 | 4% | — | |
| 2016 Sierra Denali | 1 | 3% | — | |
| 2015 Sierra Denali | 1 | 5% | — | |
| 2011 Sierra Denali | 9 | 32% | — |
Share is the fraction of that year’s complaints naming the structure. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.