AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2008 Infiniti G37
Overall rating NHTSA-grounded
Average
Estimated 5-year repair + maintenance cost: $4,000–$6,000
The 2008 Infiniti G37 has an average reliability rating, primarily due to potential airbag recall issues and common electrical system complaints. While several complaints exist, they are not overwhelming, and the vehicle offers decent reliability for its age, with manageable repair costs.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| airbags | 60,000–100,000 miles | $300–$600 | common |
| electrical system | 80,000–120,000 miles | $200–$500 | common |
| power train | 90,000–130,000 miles | $700–$1,500 | occasional |
| structure | 75,000–100,000 miles | $250–$800 | occasional |
| vehicle speed control | 85,000–120,000 miles | $400–$1,000 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Change engine oil every 5,000 miles
- Replace spark plugs at 60,000 miles
- Inspect brakes every 15,000 miles
- Coolant flush every 30,000 miles
- Transmission fluid change every 50,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Airbag warning light on dashboard
- Flickering or dimming lights
- Delayed or rough gear shifts
- Unresponsive throttle
- Visible rust or structural damage
Generated by gpt-4o on 8/20/2026. Cost ranges are conservative estimates that account for typical regional variation.