Most common 2010 GMC Denali problems
Share of the 5 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
GMC Denali complaints by model year
Best Denali years: 2010, 2013, 2014. Years to avoid: 2003, 2002, 2015, 2000. Compare all years →
2010 GMC Denali engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 6.2L 8-cyl | 6-speed automatic | AWD | 13 / 20 / 15 |
EPA ratings. Class: SUV.
Frequently asked questions
Is the 2010 GMC Denali a good car?
Based on 5 owner complaints filed with NHTSA, the 2010 Denali rates better than average: 63% fewer complaints than a typical year of the Denali at the same age. It is one of the best Denali years by this measure. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2010 GMC Denali?
The body & structure — 1 complaint, 20% of all complaints for this model year, most often about body. Next is the air bags (1).
How many recalls does the 2010 GMC Denali have?
NHTSA lists no recalls for the 2010 GMC Denali. You can still confirm with your VIN using our VIN recall check.
What are the best and worst years of the GMC Denali?
The best years by complaints, compared at the same age, are 2010, 2013 and 2014. Years to avoid or approach with caution: 2003, 2002, 2015 and 2000. See the full GMC Denali years comparison.
At what mileage do 2010 GMC Denali problems happen?
The median mileage reported in complaints is about 91,000 miles; 0% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.