AI-generated · grounded in NHTSA data

Reliability & 5-year cost of ownership — 2004 Subaru Impreza

Overall rating NHTSA-grounded

Average

Estimated 5-year repair + maintenance cost: $4,500–$7,000

The 2004 Subaru Impreza fares as an average vehicle primarily due to persistent issues with the airbag system and occasional suspension problems. While critical systems like the engine and transmission show less frequent concerns, notable recalls for airbag inflators and other components highlight significant but manageable risks over a 5-year period.

Most-common failures

Part Typical mileage Cost range Frequency
fuel system80,000–110,000 miles$300–$700common
control arm90,000–120,000 miles$400–$900common
airbag inflatorsany mileage$0–$150common
engine oil leak70,000–100,000 miles$250–$600occasional
cruise control cable50,000–80,000 miles$150–$300occasional

Scheduled maintenance to budget

Routine items every owner should plan for.

  • Oil and filter change every 5,000 miles
  • Replace air filter every 20,000 miles
  • Brake fluid replacement every 30,000 miles
  • Timing belt check at 100,000 miles
  • Coolant flush every 60,000 miles

Warning signs to watch for

Symptoms that signal a major upcoming repair.

  • Check engine light
  • Poor fuel efficiency
  • Suspension noise
  • Leaking oil
  • Cruise control issues

Generated by gpt-4o on 8/23/2026. Cost ranges are conservative estimates that account for typical regional variation.