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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
- drivetrain problems
- electrical problems
- miscellaneous problems
- fuel system problems
- wheels / hubs problems
- body / paint problems
- exterior accessories problems
- seat belts / air bags problems
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Compare GMC Sierra 3500 Model Years
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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
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#1: Engine Light On 2020 Sierra 3500
- Average Cost to Fix:
- N/A
- Average Mileage:
- 6,000 mi
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#2: Shaking In The Steering 2020 Sierra 3500
- Average Cost to Fix:
- N/A
- Average Mileage:
- 0 mi
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#3: Knocking Sound From Left Front Corner 2020 Sierra 3500
- Average Cost to Fix:
- N/A
- Average Mileage:
- 0 mi