AI-generated · grounded in NHTSA data

Reliability & 5-year cost of ownership — 2004 Isuzu N-Series

Overall rating NHTSA-grounded

Above average

Estimated 5-year repair + maintenance cost: $2,500–$4,000

With minimal recall and complaint data, the 2004 Isuzu N-SERIES appears to be reliable. Owner feedback is limited, suggesting few systemic issues, leading to an above-average rating.

Most-common failures

Part Typical mileage Cost range Frequency
Electrical system100,000–150,000 miles$300–$800occasional

Scheduled maintenance to budget

Routine items every owner should plan for.

  • Oil and filter changes
  • Brake inspections and service
  • Transmission fluid change
  • Coolant system flush
  • Tire rotations and alignment

Warning signs to watch for

Symptoms that signal a major upcoming repair.

  • Intermittent electrical issues
  • Sudden battery drainage
  • Dashboard warning lights staying on

Generated by gpt-4o on 8/24/2026. Cost ranges are conservative estimates that account for typical regional variation.