GMC Denali
Model Year Comparison
- Worst Model Year
- 2019
- Worst Category
- exhaust system Problems
We don't have a lot of complaints on file for the GMC Denali — feel free to add yours here. It's either not very popular ... or it's very, very good.
Although the 2021 GMC Denali has the most overall complaints, we rate the 2019 model year as worse because of other possible factors such as higher repair cost or more problems at lower mileage. The most-reported problem is with the 2019 GMC Denali for exhaust cleaning frequent.
Worst GMC Denali Problems
-
#1: Exhaust Cleaning Frequent 2019 Denali
- Average Cost to Fix:
- N/A
- Average Mileage:
- 0 mi
-
#2: Paint Is Bubbling/Peeling 2015 Denali
- Average Cost to Fix:
- N/A
- Average Mileage:
- 72,000 mi
-
#3: Intermittent High Idle 2016 Denali
- Average Cost to Fix:
- N/A
- Average Mileage:
- 23,000 mi