AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2003 Hyundai Sonata
Overall rating NHTSA-grounded
Below average
Estimated 5-year repair + maintenance cost: $3,500–$8,000
The 2003 Hyundai Sonata shows a significant number of recalls and complaints, particularly with latches, the suspension system, and door handle chrome plating, leading to safety risks. Reliability is a concern due to the frequency of issues affecting key systems, including the airbag, electrical system, and fuel tank integrity.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| door latch | 50,000–80,000 miles | $150–$500 | very common |
| suspension | 60,000–100,000 miles | $300–$1,200 | common |
| fuel tank valve | 70,000–90,000 miles | $200–$800 | occasional |
| airbag system | 80,000–110,000 miles | $700–$1,500 | occasional |
| electrical system | 70,000–90,000 miles | $150–$1,000 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter change every 3,000 miles
- Replace brake fluid every 45,000 miles
- Inspect suspension every 15,000 miles
- Replace air filter every 30,000 miles
- Rotate tires every 5,000 miles
- Coolant replacement every 60,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Door handle chrome peeling
- Fuel smell near rear
- Uneven tire wear
- Unusual suspension noise
- Intermittent electrical failures
Generated by gpt-4o on 8/19/2026. Cost ranges are conservative estimates that account for typical regional variation.