Suspension: front
Risk. CORROSION OF THE FRONT SUBFRAME COULD LEAD TO SEPARATION, POSSIBLY RESULTING IN A VEHICLE CRASH.
NHTSA has logged 225 owner complaints about the 2004 Kia Optima, most often about the latches/locks/linkages. It is covered by 1 safety recall.

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through February 11, 2025. Updated daily. Photo: IFCAR, Public domain.
225 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Latches/locks/linkages | 81 | 1 |
| Electrical system | 45 | 4 |
| Structure | 42 | 1 |
| Air bags | 26 | 5 |
| Suspension | 19 | 2 |
| Engine and engine cooling | 11 | 0 |
| Fuel system, gasoline | 9 | 0 |
| Power train | 8 | 1 |
| Steering | 7 | 1 |
| 15 other systems | 43 | 5 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
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.
Risk. CORROSION OF THE FRONT SUBFRAME COULD LEAD TO SEPARATION, POSSIBLY RESULTING IN A VEHICLE CRASH.
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 Kia.
92kmiles, median
Based on the odometer reading in 75 latches/locks/linkages complaints. 60% were reported before 100,000 miles.
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 Optima median. How we score
2004 Kia Optima 4-DR w/SAB in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.

Recent latches/locks/linkages complaints filed with NHTSA, shortened. Personal details are removed.
TL* THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT STATED THAT THE DRIVER'S SIDE DOOR FAILED TO UNLOCK. THE CONTACT WAS ABLE TO GAIN ACCESS AFTER SEVERAL ATTEMPTS. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 101,000.
TL* THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT STATED THAT THE DOOR LOCK FAILED. IN ADDITION, THE DOORS WOULD AUTOMATICALLY LOCK ONCE OPENED WITH THE KEY FOB. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED. THE FAILURE MILEAGE WAS 125,000.
TL* THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT STATED THAT THE DRIVER SIDE DOOR FAILED TO OPEN AND CLOSE. AS THE FAILURE PROGRESSED, THE CONTACT WAS UNABLE TO ENTER AND EXIT THE VEHICLE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE…
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.