AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2003 Mazda Millenia
Overall rating NHTSA-grounded
Average
Estimated 5-year repair + maintenance cost: $4,000–$6,500
The 2003 Mazda Millenia has a sparse record of complaints and no major recalls, indicating average reliability. Minimal visibility complaints suggest few systemic issues.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| Windshield | 80,000–120,000 miles | $200–$400 | rare |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter change every 5,000 miles
- Brake fluid replacement every 2 years
- Coolant flush every 4 years
- Timing belt replacement at 100,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Persistent windshield fogging
- Reduced defrost effectiveness
- Unusual electrical issues
Generated by gpt-4o on 8/22/2026. Cost ranges are conservative estimates that account for typical regional variation.