The GMC Sierra Denali is the premium trim level of GMC's full-size truck, offering luxury features and unique styling that differentiate it from the Chevrolet Silverado. With 652 complaints on record, the Sierra Denali experiences issues common to GM's full-size truck platform while providing a more upscale experience. The capability is genuine, and the interior matches competitors. These are substantial trucks commanding premium prices.

652
Total Complaints
0
Total Recalls
18
Model Years
0
Reported Deaths
!

Years to Avoid

These years have significantly more complaints than average.

Best Years

These years have the fewest reported problems.

Common Problem Categories

Unknown Or Other 108
Service Brakes 88
Structure 66
Steering 54
Power Train 52

Complaints by Model Year

All Model Years

Year Complaints Recalls Crashes Fires Rating
2020 18 0 0 0 Good
2019 92 0 0 0 Avoid
2018 46 0 0 0 Average
2017 26 0 4 0 Average
2016 84 0 4 0 Below Average
2015 48 0 2 0 Average
2014 38 0 0 0 Average
2013 20 0 0 0 Average
2012 30 0 0 0 Average
2011 80 0 0 0 Below Average
2010 24 0 0 0 Average
2009 16 0 0 0 Good
2008 42 0 0 0 Average
2007 4 0 0 0 Good
2006 10 0 2 0 Good
2005 10 0 0 0 Good
2004 30 0 4 0 Average
2002 34 0 6 0 Average

Gmc Sierra Denali Years to Avoid

The 2019 Sierra Denali coincided with a significant redesign that brought first-year issues including transmission calibration problems with the 10-speed automatic, DFM (Dynamic Fuel Management) issues causing hesitation, and various electrical gremlins. Avoid the 2019 model unless you can verify these issues have been addressed. The 2015-2016 models had 8-speed transmission shuddering concerns.

Best Gmc Sierra Denali Years

The 2007 Sierra Denali represents a refined year before the 2008 recession-era cost cutting. For current models, the 2021-2022 Sierra Denali offers sorted production with resolved first-year issues. The 6.2L V8 is a proven engine across all years.

Frequently Asked Questions