AI-generated · grounded in NHTSA data

Reliability & 5-year cost of ownership — 2007 Infiniti G35

Overall rating NHTSA-grounded

Average

Estimated 5-year repair + maintenance cost: $7,000–$14,000

The 2007 Infiniti G35 has moderate reliability with common issues in the air bags and electrical system. Recalls are few, but complaint data suggests potential maintenance concerns.

Most-common failures

Part Typical mileage Cost range Frequency
air bags50,000–100,000 miles$250–$750common
electrical system70,000–120,000 miles$300–$800common
power train80,000–130,000 miles$500–$1,500occasional
engine and cooling60,000–110,000 miles$600–$2,000occasional
vehicle speed control90,000–140,000 miles$150–$500occasional

Scheduled maintenance to budget

Routine items every owner should plan for.

  • oil and filter change
  • brake fluid replacement
  • coolant system flush
  • transmission fluid change
  • spark plug replacement
  • air filter replacement
  • 100,000-mile service check

Warning signs to watch for

Symptoms that signal a major upcoming repair.

  • airbag warning light
  • intermittent electrical issues
  • transmission slipping symptoms
  • engine overheating
  • unresponsive vehicle speed control

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