AI-generated · grounded in NHTSA data

Reliability & 5-year cost of ownership — 2009 Smart Fortwo

Overall rating NHTSA-grounded

Below average

Estimated 5-year repair + maintenance cost: $3,000–$6,000

The 2009 Smart FORTWO has significant powertrain and engine issues, alongside electrical problems. The single recall indicates a safety concern with exhaust heat management, which, combined with numerous complaints, suggests below-average reliability.

Most-common failures

Part Typical mileage Cost range Frequency
powertrain70,000–90,000 miles$1,500–$3,500common
engine60,000–80,000 miles$1,200–$3,000common
electrical system50,000–70,000 miles$200–$800occasional

Scheduled maintenance to budget

Routine items every owner should plan for.

  • Oil and filter changes
  • Transmission fluid service
  • Brake system inspections
  • Cooling system maintenance
  • Exhaust system check
  • Electrical system check
  • Spark plug replacement

Warning signs to watch for

Symptoms that signal a major upcoming repair.

  • Transmission hesitations
  • Engine misfires
  • Battery drain issues
  • Exhaust fumes smell
  • Overheating warning lights

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