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 latch50,000–80,000 miles$150–$500very common
suspension60,000–100,000 miles$300–$1,200common
fuel tank valve70,000–90,000 miles$200–$800occasional
airbag system80,000–110,000 miles$700–$1,500occasional
electrical system70,000–90,000 miles$150–$1,000occasional

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.