AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2003 Buick Century
Overall rating NHTSA-grounded
Below average
Estimated 5-year repair + maintenance cost: $6,000–$8,500
The 2003 Buick Century shows below-average reliability mainly due to numerous complaints, especially concerning exterior lighting, electrical systems, and brakes. Recalls include critical parts like steering knuckles and fuel pressure regulators, indicating potential safety risks.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| exterior lighting | 50,000–100,000 miles | $200–$350 | very common |
| electrical system | 70,000–120,000 miles | $150–$400 | common |
| service brakes | 60,000–90,000 miles | $250–$500 | common |
| engine cooling | 80,000–130,000 miles | $200–$600 | occasional |
| fuel system | 90,000–140,000 miles | $350–$700 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- oil and filter changes
- brake fluid replacement
- coolant system flush
- timing belt replacement
- spark plug replacement
- air filter changes
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- flickering exterior lights
- unresponsive electrical components
- soft or unresponsive brakes
- unusual engine cooling noises
- strong fuel smell from tank
Generated by gpt-4o on 8/24/2026. Cost ranges are conservative estimates that account for typical regional variation.