AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2006 Infiniti M45
Overall rating NHTSA-grounded
Below average
Estimated 5-year repair + maintenance cost: $8,000–$12,000
The 2006 Infiniti M45 shows notable reliability concerns due to engine and steering complaints. This model may incur higher maintenance costs and frequent repairs due to these issues.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| engine | 70,000-100,000 miles | $1,500–$3,500 | very common |
| steering system | 60,000-90,000 miles | $500–$2,500 | very common |
| air bags | 80,000-120,000 miles | $700–$1,500 | common |
Scheduled maintenance to budget
Routine items every owner should plan for.
- oil and filter changes every 5,000 miles
- brake fluid replacement every 2 years
- coolant replacement every 60,000 miles
- spark plug replacement every 60,000 miles
- transmission fluid change every 60,000 miles
- regular tire rotations every 5,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- engine knocking sounds
- steering wheel vibration
- airbag light warning
- electrical system malfunctions
- sudden loss of power
Generated by gpt-4o on 8/20/2026. Cost ranges are conservative estimates that account for typical regional variation.