Print report
2020 GMC Sierra 3500
Problems & Complaints
Worst 2020 GMC Sierra 3500 Problems by Category
Click on a category below for details. Help?
- engine problems
- brakes problems
- steering problems
- suspension problems
- electrical problems
- drivetrain problems
- body / paint problems
- miscellaneous problems
- wheels / hubs problems
- fuel system problems
Loading ...
one sec.
Stay Up to Date
Compare GMC Sierra 3500 Model Years
Curious how the 2020 Sierra 3500 compares to other years?
Check out our GMC Sierra 3500 overview to see the most problematic years, worst problems and most recently reported complaints with the Sierra 3500.
Worst 2020 GMC Sierra 3500 Problems
-
#1: Engine Light On 2020 Sierra 3500
- Average Cost to Fix:
- N/A
- Average Mileage:
- 6,000 mi
-
#2: Shaking In The Steering 2020 Sierra 3500
- Average Cost to Fix:
- N/A
- Average Mileage:
- 0 mi
-
#3: Knocking Sound From Left Front Corner 2020 Sierra 3500
- Average Cost to Fix:
- N/A
- Average Mileage:
- 0 mi