AI-generated · grounded in NHTSA data

Reliability & 5-year cost of ownership — 2009 Ford Mustang

Overall rating NHTSA-grounded

Average

Estimated 5-year repair + maintenance cost: $6,000–$12,000

The 2009 Ford Mustang has a high number of airbag recalls and complaints, which notably impact its overall reliability. However, other major systems such as the powertrain and electrical system receive moderate to low complaint counts, balancing its ratings to average.

Most-common failures

Part Typical mileage Cost range Frequency
airbags50,000–100,000 miles$200–$1,000very common
vehicle speed control70,000–120,000 miles$150–$800common
service brakes60,000–90,000 miles$300–$700occasional
powertrain80,000–130,000 miles$500–$2,000occasional
electrical system50,000–100,000 miles$100–$500occasional

Scheduled maintenance to budget

Routine items every owner should plan for.

  • oil and filter changes
  • brake fluid replacement
  • tire rotation and balance
  • cooling system flush
  • spark plug replacement
  • air filter replacement
  • fuel system cleaning

Warning signs to watch for

Symptoms that signal a major upcoming repair.

  • persistent airbag warning light
  • rough or unintended acceleration
  • spongy brake pedal
  • delayed vehicle response
  • frequent electrical issues

Generated by gpt-4o on 6/16/2026. Cost ranges are conservative estimates that account for typical regional variation.