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2004 Kia Optima

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2004 Kia Optima do not stand out strongly from the model-year median of 186.5.

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When problems were reported

Mileage at the reported incident

187 reports with mileage · 38 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Latches/locks/linkages. Review the 81 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 45 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Structure. Review the 42 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

8 crash reports3 fire reports7 injury reports

Latches/locks/linkages complaints

81 reports
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101,000 miles · Dec 12, 2016
Latches/locks/linkagesStructure

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.

NHTSA ODI #10934627

125,000 miles · Jun 3, 2015
Latches/locks/linkagesStructure

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.

NHTSA ODI #10723224

70,000 miles · Jun 2, 2015
Latches/locks/linkages

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 FAILURE MILEAGE WAS 70,000. UPD…

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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 FAILURE MILEAGE WAS 70,000. UPDATED 7/16/15*CN

NHTSA ODI #10722928

100,000 miles · May 22, 2015
Latches/locks/linkages

TL* THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT STATED THAT THE FRONT DRIVER SIDE DOOR LOCK MALFUNCTIONED AND WOULD NOT UNLOCK, WHICH MADE IT DIFFICULT FOR THE DRIVER TO EXIT THE VEHICLE. THE CONTACT ALSO INDICATED THAT THE REAR PASSENGER SIDE DOOR WOULD NOT UNLOCK WHEN ATTEMPTING TO EXIT THE VEHICLE. THE CONTACT INDICATED T…

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TL* THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT STATED THAT THE FRONT DRIVER SIDE DOOR LOCK MALFUNCTIONED AND WOULD NOT UNLOCK, WHICH MADE IT DIFFICULT FOR THE DRIVER TO EXIT THE VEHICLE. THE CONTACT ALSO INDICATED THAT THE REAR PASSENGER SIDE DOOR WOULD NOT UNLOCK WHEN ATTEMPTING TO EXIT THE VEHICLE. THE CONTACT INDICATED THAT THE FAILURE FOR THE REAR DOOR WAS INTERMITTENT. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE DOOR LOCKS NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 100,000.

NHTSA ODI #10720975

Mileage unknown · Apr 4, 2015
Latches/locks/linkages

I HAVE A 2004 KIA OPTIMA LX 4 DOOR SEDAN, THE FRONT DOOR ON THE DRIVER SIDE YOU CAN NOT LOCK AND UNLOCK I HAVE TO LEAVE THE DOOR PANEL OFF SO IF IT GETS LOCKED, YOU HAVE TO TAKE A SCREWDRIVER AND PUSH UP THE LITTLE ROD THAT LEADS TO THE LATCH. BELIEVE ME I WILL NEVER BUY ANOTHER KIA OPTIMA OR ANY KIND OF A KIA IN MY EYES THEY…

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I HAVE A 2004 KIA OPTIMA LX 4 DOOR SEDAN, THE FRONT DOOR ON THE DRIVER SIDE YOU CAN NOT LOCK AND UNLOCK I HAVE TO LEAVE THE DOOR PANEL OFF SO IF IT GETS LOCKED, YOU HAVE TO TAKE A SCREWDRIVER AND PUSH UP THE LITTLE ROD THAT LEADS TO THE LATCH. BELIEVE ME I WILL NEVER BUY ANOTHER KIA OPTIMA OR ANY KIND OF A KIA IN MY EYES THEY ARE JUNK . ESPECIALLY WHEN THIS JUNKY CAR ONLY HAS 87,000 MILES. *TR

NHTSA ODI #10703735

126,000 miles · Mar 12, 2015
Electrical SystemLatches/locks/linkages

WHEN TRYING TO EXIT MY KIA, THE DOOR LOCKS WOULD NOT UNLOCK. I TRIED THE MANUAL AND ELECTRICAL SWITCHES ON THE DOOR AND ALL I COULD GET WAS A CLICK, AND THEN AN IMMEDIATE RE-LOCK OF THE DOORS, AS SOON AS I PULLED ON THE DOOR HANDLE. I THEN ROLLED THE WINDOW DOWN AND TRIED THE KEY, SEVERAL TIMES, FROM THE OUTSIDE WITH THE SAME …

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WHEN TRYING TO EXIT MY KIA, THE DOOR LOCKS WOULD NOT UNLOCK. I TRIED THE MANUAL AND ELECTRICAL SWITCHES ON THE DOOR AND ALL I COULD GET WAS A CLICK, AND THEN AN IMMEDIATE RE-LOCK OF THE DOORS, AS SOON AS I PULLED ON THE DOOR HANDLE. I THEN ROLLED THE WINDOW DOWN AND TRIED THE KEY, SEVERAL TIMES, FROM THE OUTSIDE WITH THE SAME RESULTS. I MANAGED TO WORK MY 79 YEAR OLD 210 LB. BODY OVER TO THE PASSENGER SEAT AND TRIED THE SAME THING AND GOT THE SAME RESULTS. I WAS READY TO CALL 911 WHEN I TRIED THE KEY ON THE OUTSIDE AGAIN FOR THE 5TH OR 6TH TIME AND THE LOCKS WORKED. THIS IS A DANGEROUS SITUATION AND I UNDERSTAND IS QUITE COMMON ON THE KIA'S AT ABOUT 100,000 MILES, I KNOW I WAS FRIGHTENED. I DON'T KNOW WHAT WOULD HAPPEN IN A WRECK WITH A FIRE AND THE DOORS WOULD NOT UNLOCK FROM THE INSIDE OR OUTSIDE. THIS HAS HAPPENED 4 TIMES, TWICE WHILE LOCKED INSIDE AND TWICE FROM THE OUTSIDE TYING TO GET IN. *TR

NHTSA ODI #10693933

79,000 miles · Mar 3, 2015
Latches/locks/linkages

IT STARTED WITH DOORS WILL LOCK AND UNLOCK AUTOMATICALLY WHILE DRIVING, THIS HAS BEEN GOING ON SINCE 2012, THEN THE PASSENGER DOOR WILL NOT UNLOCK AT TIMES SINCE 2012. THEN ON 2-28-15, THE DRIVER'S SIDE DOOR WILL NOT UNLOCK. I HAD TO CLIMB THROUGH THE BACK SEAT AND THE CONSOLE TO GET TO THE DRIVER SEAT. THEN ON THE 3-02-2015, D…

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IT STARTED WITH DOORS WILL LOCK AND UNLOCK AUTOMATICALLY WHILE DRIVING, THIS HAS BEEN GOING ON SINCE 2012, THEN THE PASSENGER DOOR WILL NOT UNLOCK AT TIMES SINCE 2012. THEN ON 2-28-15, THE DRIVER'S SIDE DOOR WILL NOT UNLOCK. I HAD TO CLIMB THROUGH THE BACK SEAT AND THE CONSOLE TO GET TO THE DRIVER SEAT. THEN ON THE 3-02-2015, DRIVER'S DOOR, THE PASSENGER DOOR AND THE REAR BACK DOOR COMPLETELY REFUSED TO UNLOCK. THIS IS VERY SCARY, IN FACT, I ALMOST BROKE MY RIGHT FOOT WHILE CLIMBING INTO THE DRIVER SEAT FROM THE BACK SEAT THROUGH THE CONSOLE, BECAUSE MY RIGHT LEG WAS CAUGHT ON THE PASSENGER SEAT HEAD REST. *TR

NHTSA ODI #10691715

138,000 miles · Mar 2, 2015
Latches/locks/linkagesStructure

TL* THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT STATED THAT THE DRIVER SIDE DOOR FAILED TO UNLOCK OR OPEN. THE CONTACT HAD TO GET IN AND OUT OF THE VEHICLE BY USING THE PASSENGER SIDE DOOR. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 138,000.

NHTSA ODI #10691649

150,000 miles · Nov 5, 2014
Latches/locks/linkagesStructure

DRIVER'S DOOR LOCKS AND CANNOT BE OPENED WITH A KEY AND DOES NOT OPEN ONCE INSIDE OF THE CAR. THE OPERATOR ESSENTIALLY IS LOCKED IN THE CAR. IN THE EVENT OF A CRASH OR FIRE, THE OCCUPANT MAY NOT BE ABLE TO EASILY VACATE THE VEHICLE; THE ONLY WAY WOULD BE TO CLIMB OVER THE CONSOLE TO THE PASSENGER COMPARTMENT OR THE REAR TO EXIT …

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DRIVER'S DOOR LOCKS AND CANNOT BE OPENED WITH A KEY AND DOES NOT OPEN ONCE INSIDE OF THE CAR. THE OPERATOR ESSENTIALLY IS LOCKED IN THE CAR. IN THE EVENT OF A CRASH OR FIRE, THE OCCUPANT MAY NOT BE ABLE TO EASILY VACATE THE VEHICLE; THE ONLY WAY WOULD BE TO CLIMB OVER THE CONSOLE TO THE PASSENGER COMPARTMENT OR THE REAR TO EXIT THE PASSENGER DOORS. THERE HAVE BEEN NUMEROUS COMPLAINTS WITH NO ACTION TAKEN BY THE MANUFACTURER TO REMEDY THE DEFECT AND AFFECTS MULTIPLE MANUFACTURING YEARS. IN MY OPINION IT CLEARLY IS A SAFETY ISSUE. *TR

NHTSA ODI #10652810

10,000 miles · Sep 30, 2014
Electrical SystemLatches/locks/linkagesVisibility

TL* THE CONTACT OWNS A 2004 KIA OPTIMA. UPON ENTERING THE VEHICLE, THE DOORS INDEPENDENTLY LOCKED. IN ADDITION, THE FRONT DRIVER AND REAR PASSENGER SIDE DOORS FAILED TO UNLOCK IN ORDER TO EXIT THE VEHICLE ON NUMEROUS OCCASIONS. THE CONTACT STATED THAT THE FRONT PASSENGER SIDE WINDOW FAILED TO OPEN. THE VEHICLE WAS NOT DIAGNOSED …

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TL* THE CONTACT OWNS A 2004 KIA OPTIMA. UPON ENTERING THE VEHICLE, THE DOORS INDEPENDENTLY LOCKED. IN ADDITION, THE FRONT DRIVER AND REAR PASSENGER SIDE DOORS FAILED TO UNLOCK IN ORDER TO EXIT THE VEHICLE ON NUMEROUS OCCASIONS. THE CONTACT STATED THAT THE FRONT PASSENGER SIDE WINDOW FAILED TO OPEN. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 10,000.

NHTSA ODI #10640298

Official recalls

1

09V183000 · Suspension:front

May 27, 2009

KIA MOTORS CORPORATION (KMC) IS RECALLING 36,538 MODEL YEAR 2001-2004 OPTIMA VEHICLES ORIGINALLY SOLD IN OR CURRENTLY REGISTERED IN THE STATES OF CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WEST VIRGINIA, WISCONSIN, AND THE DISTRICT OF COLUMBIA. ROAD SALT APPLIED IN THESE STATES DURING THE WINTER MONTHS MAY RESULT IN PROGRESSIVE, INTERNAL CORROSION OF THE FRONT SUBFRAME. OVER TIME, SUCH SUBFRAME CORROSION NEAR THE CONNECTION TO THE LOWER CONTROL ARM CAN LEAD TO WHEEL MISALIGNMENT AND/OR OTHER NOTICEABLE STRESS IN STEERING, OR ACCELERATED ABNORMAL TIRE WEAR.

Consequence & remedy

Consequence: CORROSION OF THE FRONT SUBFRAME COULD LEAD TO SEPARATION, POSSIBLY RESULTING IN A VEHICLE CRASH.

Remedy: KMC WILL NOTIFY OWNERS AND DEALERS WILL REPAIR THE VEHICLES FREE OF CHARGE. THE SAFETY RECALL BEGAN ON JUNE 15, 2009. OWNERS MAY CONTACT KIA'S CONSUMER ASSISTANCE CENTER AT 1-800-333-4542.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.