Problems · by component
2004 Kia Optima structure problems
42 owner complaints to NHTSA about the 2004 Kia Optima cite structure, 19% of all 225 complaints for this model year.
Complaints
42
19% of all complaints
Crashes
1
Reported by owners
Fires
0
Reported by owners
Injuries
0
Reported by owners
What owners say about the structure
Verbatim from NHTSA complaints, newest first
“Door lock/unlock mechanism has failed. Unable to unlock and open door from outside or inside. This defect causes the door to stay locked and unable to open. This can trap people inside of the car if they are unable to crawl out a window or exit from another door. There are many reports of this on Kia forums and general Google search. There was no warning that this part was wearing out until it became impossible to open the door.”
“WHILE STATIONARY - DRIVER'S SIDE DOOR WILL NOT OPEN FROM INSIDE OR OUTSIDE WITH KEY, MANUAL LOCK OR ELECTRONIC LOCK CONTROLS (STUCK CLOSED). UNABLE TO EVACUATE CAR FROM DRIVER'S SIDE. SAFETY CONCERN - LACK OF EGRESS”
“TL* THE CONTACT OWNS A 2004 KIA OPTIMA. WHEN THE VEHICLE WAS TAKEN TO BILL DORATY KIA (2925 MEDINA RD, MEDINA, OH 44256, (330) 721-9500) FOR ROUTINE BRAKE SERVICE, THE TECHNICIAN FOUND A CRACK IN THE FRONT FRAME. THE DEALER STATED THAT THE VEHICLE WAS SAFE TO DRIVE AT THAT TIME. THE CONTACT WAS INFORMED THAT THE FRAME WOULD NEED TO BE REPLACED, BUT NO REPAIRS WERE MADE. SINCE WINTER WAS APPROACHING, THE CONTACT WAS CONCERNED THAT THE FRAME WOULD COMPLETELY CRACK DUE TO THE WEATHER AND SALTED ROADWAYS IN HER STATE. THE CONTACT RECEIVED A MANUFACTURER RECALL AND EXTENDED WARRANTY NOTICES IN 2009. THE VEHICLE WAS TAKEN TO THE DEALER, BUT NO ISSUES WERE FOUND. THE DEALER SENT PICTURES OF THE CRACKED FRAME TO THE MANUFACTURER. THE MANUFACTURER WAS NOTIFIED AND ISSUED CASE NUMBER: 2560103. THE MANUFACTURER STATED THAT THEY WOULD CONTACT THE LOCAL DEALER. THE CONTACT WAS AWAITING A CALL BACK FROM THE MANUFACTURER AND DEALER. THE FAILURE MILEAGE WAS APPROXIMATELY 48,000.”
“DRIVER DOOR DOES NOT OPEN FROM INSIDE NOR FROM OUTSIDE. WHEN UNLOCKING THE DOORS, ALL DOORS WILL OPEN EXCEPT THE DRIVER'S DOOR. CENTER LOCK MECHANISM OR MANUAL USE OF KEYS DOES NOT HELP. THIS IS WITHOUT A DOUBT A SAFETY PROBLEM WHERE DRIVER CAN BE TRAPPED IN THE CAR IN CASE OF EMERGENCY. THIS IS VERY COMMON IN KIA OPTIMA MODELS.”
“TL* THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT HEARD AN ABNORMAL LOUD SOUND FROM THE VEHICLE WITHOUT WARNING. THE VEHICLE WAS TAKEN TO AN INDEPENDENT DEALER WHERE IT WAS DIAGNOSED THAT THE FRAME FAILED. THE VEHICLE WAS SERVICED PER AN UNKNOWN RECALL; HOWEVER, THE REMEDY FAILED TO REPAIR THE VEHICLE. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 178,000.”
“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.”
Showing 6 of 42 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 28, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.