Worst 2003 Buick Regal Problems
Top 3 most-reported issues with average mileage at failure.
Engine Problems
Electrical Faults
Electrical System:Ignition:Switch
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All Problems by Category
Every NHTSA complaint category for the 2003 Buick Regal.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Engine Problems | 26 | 1 | 10 | 137,847 mi | |
| Electrical Faults | 24 | — | 2 | 117,723 mi | |
| Electrical System:Ignition:Switch | 8 | — | — | 116,162 mi | |
| Steering Defects | 8 | — | — | 82,370 mi | |
| Brakes | 7 | 1 | — | 122,947 mi | |
| Engine & Cooling | 6 | — | 2 | 169,905 mi | |
| Automatic Transmission | 5 | 1 | — | 63,454 mi | |
| Wheel Issues | 4 | — | 1 | — | |
| Airbags | 3 | 2 | — | — | |
| Electrical System:Ignition | 3 | — | — | — | |
| Engine And Engine Cooling:Engine | 3 | — | — | — | |
| Headlight/Taillight Failures | 3 | — | — | — | |
| Hydraulic Brakes | 3 | 1 | — | — | |
| Fuel System | 2 | — | 1 | — | |
| Transmission / Drivetrain | 2 | — | — | — | |
| Visibility | 2 | — | — | — | |
| Wheels:Rim | 2 | — | — | — | |
| Instrument Cluster | 1 | — | — | — | |
| Electrical System:12v/24v/48v Battery | 1 | — | — | — | |
| Engine And Engine Cooling:Cooling System | 1 | — | — | — | |
| Engine And Engine Cooling:Exhaust System:Emission Control:Catalytic Convertor | 1 | — | — | — | |
| Equipment:Appliance:Air Conditioner | 1 | — | — | — | |
| Exterior Lighting:Headlights | 1 | — | — | — | |
| Exterior Lighting:Headlights:Switch | 1 | — | — | — | |
| Exterior Lighting:Turn Signal:Switch | 1 | — | — | — | |
| Fuel Pump | 1 | — | — | — | |
| Latches / Locks | 1 | — | — | — | |
| Latches/Locks/Linkages:Doors:Latch | 1 | — | — | — | |
| Seat Belt Issues | 1 | — | — | — |
Search Owner Complaints
Read what owners actually reported to NHTSA for the 2003 Buick Regal. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Recalls for 2003 Buick Regal
1 NHTSA recall campaign affecting ~1,003,556 vehicles.
General Motors LLC (GM) is recalling certain model year 1998-1999 Chevrolet Lumina and Oldsmobile Intrigue, 1997-2004 Buick Regal and Pontiac Grand Prix, 2000-2004 Chevrolet Impala, and 1998-2004 Chevrolet Monte Carlo vehicles. The affected vehicles were previously repaired under recalls 08V-118, 09V-116, and 15V-201 to address the possibility that engine oil may drip onto the hot exhaust manifold.
Other Buick Regal Years
2003 Buick Regal — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 2003 Buick Regal reliable?
What are common problems with the 2003 Buick Regal?
At what mileage do problems start on the 2003 Buick Regal?
How safe is the 2003 Buick Regal?
Does the 2003 Buick Regal have any recalls?
Should I buy a 2003 Buick Regal?
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.
Wider context: See the full Buick Regal reliability report with year-by-year comparison and generation analysis.
Check Your Specific 2003 Buick Regal
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
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