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2021 GMC Sierra 3500
Problems & Complaints
Worst 2021 GMC Sierra 3500 Problems by Category
Click on a category below for details. Help?
- drivetrain problems
- brakes problems
- electrical problems
- engine problems
- fuel system problems
- miscellaneous problems
- wheels / hubs problems
- body / paint problems
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Compare GMC Sierra 3500 Model Years
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Worst 2021 GMC Sierra 3500 Problems
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