Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through April 29, 2026. Updated daily. Photo: Rutger van der Maar, CC BY 2.0.

Complaints by system

Where the 2004 Hyundai Sonata has problems

202 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Suspension561
Structure4710
Air bags4615
Electrical system172
Wheels131
Steering130
Latches/locks/linkages126
Power train102
Service brakes, hydraulic83
13 other systems5111

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

1 recall

2004 Hyundai Sonata recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

–no report yet

Suspension

Recall 09V-124 · Apr 16, 2009 · 188,282 vehicles

Risk. IF THAT HAPPENS, THE VEHICLE MAY LOSE DRIVE POWER TO THE WHEELS, AND THE FRONT WHEEL MAY MAKE CONTACT WITH THE FENDER OR WHEEL WELL, THEREBY INCREASING THE…

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Hyundai.

Mileage at failure

When do suspension problems start?

105kmiles, median

Based on the odometer reading in 43 suspension complaints. 42% were reported before 100,000 miles.

median0k50k100k150k200k+
3under 30k miles18under 100k miles25100k miles or more
Best & worst years

2004 vs. every other Sonata year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Sonata median. How we score

'89'90'91'92'93'94'95'96'97'98'99'00'01'02'03'04'05'06'07'08'09'10'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25'26
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
NHTSA crash tests

2004 Hyundai Sonata safety ratings

2004 Hyundai Sonata 4-DR w/SAB in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.

2004 Hyundai Sonata frontal crash test, NHTSA
Frontal crashNot rated
2004 Hyundai Sonata side barrier test, NHTSA
Side barrierNot rated
  • Stability control: No
  • Forward collision warning: No
  • Lane departure warning: No
1 investigation

NHTSA defect investigations

Federal investigations that included the 2004 Hyundai Sonata, and the recalls they led to.

  1. FRONT SUB-FRAME CORROSIONEA08016 · closed Apr 20, 2009
    Led to recall 09V-124
In owners' words

What Sonata owners report

Recent suspension complaints filed with NHTSA, shortened. Personal details are removed.

2004 Hyundai Sonata GLS front sub frame (K Frame) has rusted out but I guess for certain VIN numbers there was a recall. Mine has the same issue and has caused suspension issues with the control arms and axles, subframe has snapped due to rusting in Michigan.
Complaint 11734599 · Apr 29, 2026
On February, 16th 2026, I took my vehicle into the Automotive shop for an oil change. They inspected the car as well and they found that the front passenger side of the vehicle subframe has a substantial amount of the metal rusted through. The file attached was a photo of the repair invoice from…
Complaint 11718609 · Feb 17, 2026
I got this car a Hyundai sonata 2004 about 2 to 3 years ago. At first I didn't notice the problem until a couple months into me having the car I was on the freeway and it suddenly felt like I was out of control of my car and the back end was like swerving like I was pulling a trailer. And ever…
Complaint 11681163 · Aug 17, 2025

Own a 2004 Sonata?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.