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March 15: GM 'Shift to Park' Class Action Lawsuit Settlement Reached news | 13 days ago March 7: GM 8L90 Transmission Lawsuit Survives Motion to Dismiss news | 21 days ago February 11: Recall: GMC Sierra 1500 Chrome Grille Deflectors Detach recalls | 45 days ago January 26: Shift to Park Lawsuit Transferred to Tennessee news | 61 days ago January 19: GM 6L90 Transmission Failures Seem to Be Over investigations | 68 days ago
2021 GMC Sierra 1500
Problems & Complaints
Worst 2021 GMC Sierra 1500 Problems by Category
Click on a category below for details. Help?
- engine problems
- electrical problems
- steering problems
- interior accessories problems
- seat belts / air bags problems
- windows / windshield problems
- drivetrain problems
- brakes problems
- miscellaneous problems
- fuel system problems
- exterior accessories problems
- body / paint problems
- suspension problems
- wheels / hubs problems
- lights problems
- cooling system problems
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Compare GMC Sierra 1500 Model Years
Curious how the 2021 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 2021 GMC Sierra 1500 Problems
-
#1: Collapsed Lifters And Bent Push Rods 2021 Sierra 1500
- Average Cost to Fix:
- $3,000
- Average Mileage:
- 19,000 mi
-
#2: Lifter Failure 2021 Sierra 1500
- Average Cost to Fix:
- N/A
- Average Mileage:
- 4,000 mi
-
#3: Engine Light On, Truck Wont Start 2021 Sierra 1500
- Average Cost to Fix:
- N/A
- Average Mileage:
- 0 mi