AI-generated · grounded in NHTSA data

Reliability & 5-year cost of ownership — 2004 Infiniti I30

Overall rating NHTSA-grounded

Above average

Estimated 5-year repair + maintenance cost: $4,000–$7,000

The 2004 Infiniti I30 has a strong reliability track record with minimal complaints and recalls focused on airbag issues. No significant concerns with other components, indicating good overall durability.

Most-common failures

Part Typical mileage Cost range Frequency
AirbagsN/A$0–$0common
Brakes70,000–100,000 miles$300–$600occasional
Suspension90,000–120,000 miles$500–$1,000rare

Scheduled maintenance to budget

Routine items every owner should plan for.

  • Oil and filter change every 5,000 miles
  • Replace air filter annually
  • Brake fluid replacement every 2 years
  • Coolant change every 60,000 miles
  • Transmission fluid change every 60,000 miles

Warning signs to watch for

Symptoms that signal a major upcoming repair.

  • Passenger airbag light
  • Odd noises from suspension
  • Braking vibrations
  • Rough idling or stalling

Generated by gpt-4o on 8/20/2026. Cost ranges are conservative estimates that account for typical regional variation.