AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2008 Infiniti G35
Overall rating NHTSA-grounded
Average
Estimated 5-year repair + maintenance cost: $9,000–$15,000
The 2008 Infiniti G35 has an average reliability rating due to several recurring issues, especially with the airbag system, engine, and electrical components. While there are some recalls, particularly concerning the airbag system, most problems are not severe in nature.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| airbag system | 60,000–100,000 miles | $800–$1,500 | common |
| engine components | 70,000–120,000 miles | $500–$1,300 | common |
| electrical system | 50,000–100,000 miles | $300–$800 | occasional |
| brake components | 60,000–110,000 miles | $300–$600 | occasional |
| powertrain | 80,000–120,000 miles | $1,000–$2,500 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil change every 5,000 miles
- Brake fluid replacement every 2 years
- Transmission fluid change every 30,000 miles
- Coolant replacement every 60,000 miles
- Inspect belts and hoses annually
- Rotate tires every 7,500 miles
- Replace air filter annually
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Unresponsive airbag light
- Engine knocking sounds
- Electrical system failures
- Brake pedal soft or spongy
- Delayed transmission shifting
Generated by gpt-4o on 8/20/2026. Cost ranges are conservative estimates that account for typical regional variation.