GMC Sierra Denali problems, recalls & best years
The deets on every Sierra Denali from 2002 to 2020: 250 owner complaints and 1 recalls across 18 model years.
The model years with the most owner complaints are 2016 (30), 2011 (28), 2019 (26). Best fuel economy: 12 mpg combined (2002).
Problem areas across all years
Year by year
| Year | Recalls | Complaints | Best mpg | |
|---|---|---|---|---|
| 2002 | 0 | 13 | 12 | |
| 2004 | 0 | 11 | – | |
| 2005 | 1 | 4 | – | |
| 2006 | 0 | 5 | – | |
| 2007 | 0 | 1 | – | |
| 2008 | 0 | 18 | – | |
| 2009 | 0 | 7 | – | |
| 2010 | 0 | 10 | – | |
| 2011 | 0 | 28 | – | |
| 2012 | 0 | 10 | – | |
| 2013 | 0 | 8 | – | |
| 2014 | 0 | 14 | – | |
| 2015 | 0 | 22 | – | |
| 2016 | 0 | 30 | – | |
| 2017 | 0 | 15 | – | |
| 2018 | 0 | 17 | – | |
| 2019 | 0 | 26 | – | |
| 2020 | 0 | 11 | – |
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Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the GMC Sierra Denali.
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FAQ
What is the worst year for the GMC Sierra Denali?
The model years with the most owner complaints are 2016 (30), 2011 (28), 2019 (26).
How many recalls has the GMC Sierra Denali had?
Across 2002–2020, NHTSA lists 1 vehicle recall campaigns by model year (a campaign that covers several years counts once per year).