Print report
2020 GMC Sierra 1500
Problems & Complaints
Worst 2020 GMC Sierra 1500 Problems by Category
Click on a category below for details. Help?
- brakes problems
- miscellaneous problems
- electrical problems
- lights problems
- engine problems
- drivetrain problems
- steering problems
Loading ...
one sec.
Stay Up to Date
Compare GMC Sierra 1500 Model Years
Curious how the 2020 Sierra 1500 compares to other years?
Check out our GMC Sierra 1500 overview to see the most problematic years, worst problems and most recently reported complaints with the Sierra 1500.
Worst 2020 GMC Sierra 1500 Problems
We're actively collecting data on the worst problems for the GMC Sierra 1500. If you've had a problem, please help us out and report it.