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2012 GMC Sierra
Problems & Complaints
Worst 2012 Sierra Problems by Category
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- miscellaneous problems2NHTSA complaints: 3
- drivetrain problems1NHTSA complaints: 2
- engine problems1NHTSA complaints: 8
- suspension problems1NHTSA complaints: 2
- electrical problemsNHTSA: 7
- brakes problemsNHTSA: 6
- body / paint problemsNHTSA: 6
- steering problemsNHTSA: 3
- seat belts / air bags problemsNHTSA: 3
- exterior accessories problemsNHTSA: 2
- windows / windshield problemsNHTSA: 1
- lights problemsNHTSA: 1
- wheels / hubs problemsNHTSA: 1
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Compare GMC Sierra Model Years
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Check out our GMC Sierra overview to see the most problematic years, worst problems and most recently reported complaints with the Sierra.