AI-generated · grounded in NHTSA data

Reliability & 5-year cost of ownership — 2025 Infiniti Qx80

Overall rating NHTSA-grounded

Average

Estimated 5-year repair + maintenance cost: $9,500–$12,000

The 2025 Infiniti QX80 has average reliability due to minor recurring software issues with the back-over prevention system. Few mechanical complaints suggest that mechanical components hold up reasonably well. However, several software recalls for rear visibility compromise the vehicle's overall rating.

Most-common failures

Part Typical mileage Cost range Frequency
IVI system0–15,000 miles$150–$300very common
Electrical system20,000–50,000 miles$200–$500common
Suspension60,000–90,000 miles$500–$1,000occasional

Scheduled maintenance to budget

Routine items every owner should plan for.

  • Oil and filter change every 5,000 miles
  • Brake fluid replacement every 30,000 miles
  • Transmission fluid service every 60,000 miles
  • Inspect/replace brake pads every 25,000 miles
  • Coolant replacement every 50,000 miles

Warning signs to watch for

Symptoms that signal a major upcoming repair.

  • Recurring IVI system errors
  • Unusual noises from suspension
  • Electrical system malfunctions

Generated by gpt-4o on 6/13/2026. Cost ranges are conservative estimates that account for typical regional variation.