AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2023 Hyundai Sonata
Overall rating NHTSA-grounded
Average
Estimated 5-year repair + maintenance cost: $9,000–$13,000
The 2023 Hyundai Sonata has an average reliability rating due to some serious recalls concerning the fuel system and transmission. While common failures are manageable, potential high-cost issues must be monitored.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| fuel system | 50,000–70,000 miles | $500–$1,200 | very common |
| transmission | 40,000–60,000 miles | $1,000–$2,000 | common |
| engine | 60,000–90,000 miles | $1,200–$3,000 | common |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter change
- Brake fluid replacement
- Tire rotation and balance
- Air filter replacement
- Transmission fluid change
- Engine coolant flush
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Check engine light
- Unusual fuel smells
- Transmission slipping
- Hard starting
- Odd knocking noises
Generated by gpt-4o on 8/19/2026. Cost ranges are conservative estimates that account for typical regional variation.