AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2008 Infiniti M45
Overall rating NHTSA-grounded
Average
Estimated 5-year repair + maintenance cost: $5,500–$8,500
The 2008 Infiniti M45 has decent reliability with mild issues in airbag and engine systems. Few complaints indicate an average overall experience in terms of reliability.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| airbags | 70,000–120,000 miles | $800–$1,500 | common |
| engine | 80,000–130,000 miles | $1,200–$3,000 | occasional |
| steering | 60,000–110,000 miles | $600–$1,200 | rare |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter change every 5,000 miles
- Replace brake fluid every 30,000 miles
- Check and replace belts every 60,000 miles
- Transmission service every 50,000 miles
- Rotate tires every 10,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Airbag warning light
- Check engine light
- Steering wheel vibration
- Unusual engine noises
Generated by gpt-4o on 8/20/2026. Cost ranges are conservative estimates that account for typical regional variation.