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2003 Buick Regal
Worst 2003 Regal engine Problems
Click on a problem below to read more.
- engine stalls/shuts off while driving2
- engine stalls when turning1
- hard starting after driving awhile1
- NHTSA: Engine20
- NHTSA: Engine And Engine Cooling5
- NHTSA: Engine And Engine Cooling: Engine3
- NHTSA: Vehicle Speed Control1
- NHTSA: Vehicle Speed Control: Springs1
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Compare Buick Regal Model Years
Curious how the 2003 Regal compares to other years?
Check out our Buick Regal overview to see the most problematic years, worst problems and most recently reported complaints with the Regal.