AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2009 Hyundai Sonata
Overall rating NHTSA-grounded
Average
Estimated 5-year repair + maintenance cost: $3,500–$5,500
The 2009 Hyundai Sonata has an average reliability rating due to common complaints about brakes and electrical systems. Recalls involving rear suspension and brake light switch further impact trust in its reliability.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| service brakes | 50,000–70,000 miles | $200–$400 | very common |
| electrical system | 60,000–80,000 miles | $250–$600 | common |
| engine | 80,000–100,000 miles | $1,000–$2,500 | common |
| electronic stability control | 70,000–90,000 miles | $300–$650 | common |
| suspension | 70,000–100,000 miles | $350–$800 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter change
- Brake inspection and servicing
- Tire rotation and balancing
- Transmission fluid replacement
- Coolant system flush
- Spark plug replacement
- Timing belt inspection
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Brake pedal feels spongy
- Electrical components flicker
- Engine stalls or idles roughly
- Warning lights illuminate
- Vibrations or noise from suspension
Generated by gpt-4o on 8/18/2026. Cost ranges are conservative estimates that account for typical regional variation.