AI-generated · grounded in NHTSA data

Reliability & 5-year cost of ownership — 2003 Infiniti Fx35

Overall rating NHTSA-grounded

Below average

Estimated 5-year repair + maintenance cost: $5,500–$8,000

The 2003 Infiniti FX35 is plagued by significant airbag-related recalls and a moderate level of owner complaints, notably in the airbag and lock systems. While it offers a comfortable ride, its long-term reliability is questionable due to these issues and potential repair costs.

Most-common failures

Part Typical mileage Cost range Frequency
airbags60,000–120,000 miles$500–$1,500very common
latch/locks80,000–100,000 miles$300–$600common
fuel filler hose70,000–90,000 miles$200–$500common
front brake calipers60,000–90,000 miles$250–$750occasional

Scheduled maintenance to budget

Routine items every owner should plan for.

  • Replace spark plugs
  • Inspect timing belt
  • Check brake fluid
  • Rotate tires regularly
  • Replace air filter
  • Inspect suspension components

Warning signs to watch for

Symptoms that signal a major upcoming repair.

  • Airbag warning lights
  • Hard-to-lock doors
  • Fuel smell during refueling
  • Unusual braking noise

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