Reliability & 5-year cost of ownership — 2004 Hyundai Sonata
NHTSA data on file today
The 2004 Hyundai Sonata has 1 NHTSA recall campaign and 202 owner complaints on file as of . Recall data is refreshed daily from NHTSA.
Recall campaigns on file
- NHTSA #09V124000 FRONT SUB-FRAME CORROSION NHTSA notice
Most-cited components in owner complaints
- Suspension 56 complaints
- Structure 47 complaints
- Air Bags 46 complaints
- Electrical System 17 complaints
- Steering 13 complaints
- Wheels 13 complaints
Of the 202 complaints on file, 22 report a crash and 2 a fire; across all 202 complaints, owners report 32 injuries (owner-reported, not verified by NHTSA).
Below average
Estimated 5-year repair + maintenance cost: $4,500–$7,500AI estimate — not from NHTSA data
The 2004 Hyundai Sonata has a below-average reliability rating. With 202 owner complaints and one recall, suspension and structural issues dominate, showing significant vulnerability. Sparse data on other components limits the overall assessment.
Most-common failures
| Part | Typical mileage (AI estimate) | Cost range (AI estimate) | Frequency |
|---|---|---|---|
| suspension | 60,000–90,000 miles | $400–$1,200 | common |
| structure | 70,000–100,000 miles | $500–$1,500 | common |
| air bags | Unknown | $300–$1,000 | occasional |
AI estimate — not from NHTSA data: the mileage bands and repair-cost ranges above. Get a written repair quote before you budget.
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter changes
- Brake pad replacement
- Transmission fluid change
- Coolant flush
- Belt and hose inspection
- Spark plug replacement
- Tire rotation and alignment
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Suspension noises
- Rust or structural decay
- Airbag warning light
- Steering difficulties
- Unusual vibration or wobble
Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2004 Hyundai Sonata at the time. The rating is an AI assessment; cost and mileage figures are AI estimates, not NHTSA data.