AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2009 Infiniti M45
Overall rating NHTSA-grounded
Above average
Estimated 5-year repair + maintenance cost: $4,500–$7,000
The 2009 Infiniti M45 has a strong record of reliability, with minimal complaints and a clean recall history. Its limited issues with vehicle speed control do not significantly affect overall dependability. The vehicle's existing components demonstrate longevity, making it a solid choice for potential buyers seeking low maintenance costs.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| Brake pads | 30,000–50,000 miles | $150–$300 | common |
| Battery | 50,000–70,000 miles | $100–$200 | common |
| Tires | 40,000–60,000 miles | $400–$800 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter change
- Brake system inspection
- Tire rotation and alignment
- Cooling system check
- Transmission fluid change
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Unusual braking noises
- Battery corrosion
- Slow engine crank at start
Generated by gpt-4o on 8/20/2026. Cost ranges are conservative estimates that account for typical regional variation.