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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

Vehicle Speed Control complaints

5 reports
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102,500 miles · Jan 30, 2019
Vehicle Speed Control

WHILE DRIVING ON A HIGHWAY WITH CRUISE CONTROL ACTIVE, I WAS UNABLE TO TURN OFF THE CRUISE CONTROL WITH THE STEERING WHEEL CONTROL BUTTONS. THE CANCEL AND SET BUTTONS HAD NO EFFECT WHEN PRESSED. THE CAR REMAINED TRAVELING AT THE SET SPEED. TAPPING ON THE BRAKE PEDAL DID CANCEL THE CRUISE CONTROL.

NHTSA ODI #11172999

51,000 miles · Aug 10, 2012
Electrical SystemEngineVehicle Speed Control

THE CAR WAS RUNNING FINE UNTIL AFTER A FEW HOURS OF DRIVING IT JUST STOPPED RUNNING. THIS IS THE SECOND TIME THIS HAS OCCURRED. THE ENGINE RPM DROPPED TO ZERO AND THE CAR COASTED. AFTER SITTING FOR LESS THAN AN HOUR THE CAR STARTED UP AGAIN. I TOOK IT TO THE KIA DEALER AND THEY SAID, EVEN THOUGH THE CAR HAD LESS THAN 60,000 …

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THE CAR WAS RUNNING FINE UNTIL AFTER A FEW HOURS OF DRIVING IT JUST STOPPED RUNNING. THIS IS THE SECOND TIME THIS HAS OCCURRED. THE ENGINE RPM DROPPED TO ZERO AND THE CAR COASTED. AFTER SITTING FOR LESS THAN AN HOUR THE CAR STARTED UP AGAIN. I TOOK IT TO THE KIA DEALER AND THEY SAID, EVEN THOUGH THE CAR HAD LESS THAN 60,000 MILES, THEY WOULD HAVE TO DIAGNOSE THE PROBLEM AND CHARGE US $200 TO DO SO, AND THE ELECTRONIC PARTS WERE NOT COVERED. *TR

NHTSA ODI #10470101

40,000 miles · May 26, 2011
Vehicle Speed ControlCrash

TL*THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT STATED WHILE DRIVING 30 MPH WITH THE BRAKES ENGAGED THE VEHICLE ACCELERATED AND CRASHED INTO SOME TREES. THE VEHICLE WAS DESTROYED. NO ONE WAS INJURED. THE CONTACT DID NOT CALL THE MANUFACTURER. THE CONTACT STATED THAT THE VEHICLE HAD ALWAYS BEEN UNSAFE TO DRIVE. THE FAILURE …

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TL*THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT STATED WHILE DRIVING 30 MPH WITH THE BRAKES ENGAGED THE VEHICLE ACCELERATED AND CRASHED INTO SOME TREES. THE VEHICLE WAS DESTROYED. NO ONE WAS INJURED. THE CONTACT DID NOT CALL THE MANUFACTURER. THE CONTACT STATED THAT THE VEHICLE HAD ALWAYS BEEN UNSAFE TO DRIVE. THE FAILURE MILEAGE WAS 40,000.

NHTSA ODI #10402874

80 miles · Dec 13, 2010
Air BagsElectrical SystemEngine And Engine Cooling

I WAS COMMUTING. I GAVE MY CAR REGULAR OIL CHANGES AND TUNE UPS. THEN THE ENGINE COILS WENT OUT. THE CAR WOULD NOT GO OVER FORTY. REPLACED THAT. HEARD FUNNY NOISES COMING FROM THE ENGINE. THE CAR WAS AT 70K AT THIS POINT. THE MANUFACTURERS WARRANTY SAID TO REPLACE THE TIMING BELT AT 110K. SO I DECIDED TO HOLD OFF AS THAT PROBAB…

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I WAS COMMUTING. I GAVE MY CAR REGULAR OIL CHANGES AND TUNE UPS. THEN THE ENGINE COILS WENT OUT. THE CAR WOULD NOT GO OVER FORTY. REPLACED THAT. HEARD FUNNY NOISES COMING FROM THE ENGINE. THE CAR WAS AT 70K AT THIS POINT. THE MANUFACTURERS WARRANTY SAID TO REPLACE THE TIMING BELT AT 110K. SO I DECIDED TO HOLD OFF AS THAT PROBABLY WASN'T THE PROBLEM AND A MANUFACTURER WOULDN'T LIE TO ME AS THEY ARE REGULATED BY THE GOVERNMENT. THEN I AM DRIVING AND THE CAR DIES IN THE MIDDLE OF A BUSY INTERSECTION. I GET THE CAR TOWED. THE TIMING BELT IS CHANGED AND THERE ARE HALF THE TEETH LEFT ON THE TIMING BELT. HOW IS THE CAR STILL RUNNING YOU MAY ASK? IT IS A MAGICAL CAR AND IS LIKE THE LITTLE TRAIN THAT COULD. THEN I AM DRIVING ON A BUSY SCARY MOUNTAINOUS HIGHWAY AND THE CAR DIES AGAIN AT A BLIND CORNER. NO CHECK ENGINE LIGHT BUT THERE ARE PLENTY OF CARS THAT WANT TO HIT ME. THE CAR TURNS BACK ON. THE FEAR FOR MY LIFE AND THOSE AROUND ME HAS SUBSIDED FOR A MOMENT. THE CAR IS ABLE TO TURN BACK ON... SOMEHOW. THE CHECK ENGINE LIGHT STAYS ON. THE CRANK SENSOR IS THE PROBLEM. THE CRANK SENSOR WAS THEN FIXED. THIS CAR IS A HAZARD TO HAVE ON THE ROAD. THE AIR BAG LIGHT HAS ALSO BEEN ON FOR A YEAR AND WON'T GO OFF. I HAVE HAD TO REPLACE ENGINE COILS, DOOR LOCKS, TRUNK ALIGNMENTS AND PROBABLY SOME OTHER THINGS THAT MADE ME FEAR FOR MY LIFE. THE SPEEDOMETER ALSO BROKE AND SAID I WAS GOING 0 MPH WHEN IT WAS REALLY 80 MPH. AS OF RIGHT NOW THE CAR IS RUNNING OKAY. I EXPECT BY NEXT OCTOBER THAT SOMETHING WILL GO WRONG AS THAT IS THE MONTH THAT EVERYTHING DOES WITH THIS CAR. *TR

NHTSA ODI #10370509

100,000 miles · Sep 28, 2010
Fuel System, GasolineVehicle Speed Control

TL*THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT STATED THAT THE CHECK ENGINE LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THE CONTACT WAS INFORMED THAT THE FAILURE WAS A GAS FUME LEAK AND THE ACCELERATOR SENSOR NEEDED TO BE REPLACED BECAUSE IT CAUSED THE VEHICLE TO ACCELERATE AND DECELERATE WITHOUT W…

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TL*THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT STATED THAT THE CHECK ENGINE LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THE CONTACT WAS INFORMED THAT THE FAILURE WAS A GAS FUME LEAK AND THE ACCELERATOR SENSOR NEEDED TO BE REPLACED BECAUSE IT CAUSED THE VEHICLE TO ACCELERATE AND DECELERATE WITHOUT WARNING. THE FAILURE MILEAGE WAS APPROXIMATELY 100,000. THE CURRENT MILEAGE WAS 129,548.

NHTSA ODI #10358001

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.