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2003 GMC Sierra 2500
Problems & Complaints
Worst 2003 Sierra 2500 Problems by Category
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- electrical problems2NHTSA complaints: 4
- engine problems2NHTSA complaints: 4
- brakes problemsNHTSA: 16
- fuel system problemsNHTSA: 5
- suspension problemsNHTSA: 4
- drivetrain problemsNHTSA: 2
- exterior accessories problemsNHTSA: 1
- interior accessories problemsNHTSA: 1
- wheels / hubs problemsNHTSA: 1
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Compare GMC Sierra 2500 Model Years
Curious how the 2003 Sierra 2500 compares to other years?
Check out our GMC Sierra 2500 overview to see the most problematic years, worst problems and most recently reported complaints with the Sierra 2500.