AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2004 Ford Mustang
Overall rating NHTSA-grounded
Below average
Estimated 5-year repair + maintenance cost: $7,000–$12,000
The 2004 Ford Mustang shows a concerning number of issues with vehicle speed control and power train. Recalls and complaints highlight problems with aftermarket parts, speed control, and fuel systems. While iconic, older models like this require diligence in maintenance to ensure safety and performance.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| vehicle speed control | 50,000–80,000 miles | $200–$600 | very common |
| power train | 80,000–120,000 miles | $500–$2,500 | common |
| fuel system | 60,000–100,000 miles | $200–$1,000 | occasional |
| suspension | 60,000–90,000 miles | $300–$1,200 | occasional |
| air bags | 70,000–110,000 miles | $400–$1,500 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter change every 5,000 miles
- Brake pads and rotors every 40,000 miles
- Transmission fluid service every 60,000 miles
- Replace belts and hoses every 60,000 miles
- Coolant flush every 50,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- High-revving or surging engine
- Lag in acceleration response
- Unusual noises shifting gears
- Vibrations at highway speeds
- Delayed or rough braking
Generated by gpt-4o on 6/14/2026. Cost ranges are conservative estimates that account for typical regional variation.