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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

Electrical System complaints

45 reports
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29,000 miles · Jul 27, 2005
Electrical System

DT: WHILE DRIVING ON THE ROAD AT 75 MPH VEHICLE STALLED. THE ENGINE SHUT DOWN. ALSO, ELECTRICAL SYSTEM SHUT DOWN. VEHICLE WAS PULLED OVER TO THE CURVE. THEN OWNER CALLED DEALERSHIP WHO WAS SUPPOSE TO PICK UP VEHICLE UP BUT DIDN'T SHOW UP FOR ABOUT 4.5 HOURS. THE VEHICLE WAS TOWED TO A GARAGE, AND WAS LEFT AT THE SHOP. TH…

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DT: WHILE DRIVING ON THE ROAD AT 75 MPH VEHICLE STALLED. THE ENGINE SHUT DOWN. ALSO, ELECTRICAL SYSTEM SHUT DOWN. VEHICLE WAS PULLED OVER TO THE CURVE. THEN OWNER CALLED DEALERSHIP WHO WAS SUPPOSE TO PICK UP VEHICLE UP BUT DIDN'T SHOW UP FOR ABOUT 4.5 HOURS. THE VEHICLE WAS TOWED TO A GARAGE, AND WAS LEFT AT THE SHOP. THE NEXT DAY OWNER CALLED TO CHECK ON THE VEHICLE, NOTHING WAS DONE . THE MECHANIC SAID IT WAS THE ALTERNATOR. CURRENTLY, THE OWNER WAS WAITING FOR THE ALTERNATOR. OWNER'S FAMILY SUFFERED HEAT EXHAUSTION BY WAITING OUTSIDE, AND HIS SON BECAME ILL DUE TO HEAT EXHAUSTION. THE OWNER HAS NOT CONTACTED KIA. *AK

NHTSA ODI #10130335

276 miles · Mar 27, 2005
Electrical SystemPower TrainCrash

PURCHASED A BRAND NEW 2004 KIA OPTIMA FROM THE DEALER ON 12/09/2004. THE CRUISE CONTROL HAS NOT BEEN WORKING SINCE THE FIRST DAY IT WAS DRIVEN OUT OF THE DEALER'S LOT. WHAT'S MORE, THREE WEEKS INTO OWNERSHIP OF THE VEHICLE, IT BEGAN TO EXHIBIT INTERMITTENT, ROUGH IDLING PROBLEMS. THE PROBLEM IS NOT NOTICEABLE ON COLD STARTS, BU…

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PURCHASED A BRAND NEW 2004 KIA OPTIMA FROM THE DEALER ON 12/09/2004. THE CRUISE CONTROL HAS NOT BEEN WORKING SINCE THE FIRST DAY IT WAS DRIVEN OUT OF THE DEALER'S LOT. WHAT'S MORE, THREE WEEKS INTO OWNERSHIP OF THE VEHICLE, IT BEGAN TO EXHIBIT INTERMITTENT, ROUGH IDLING PROBLEMS. THE PROBLEM IS NOT NOTICEABLE ON COLD STARTS, BUT AFTER IT HAS BEEN DRIVEN FOR ABOUT 35 MINUTES OR SO AND THE ENGINE HAS WARMED UP AND REACHED A CERTAIN TEMPERATURE, IT WILL BEGIN TO MAKE ROCKING-JERKY-THRUSTING LIKE MOVEMENTS. IT CAN BE FELT, AS IF, THE CAR IS EITHER CHOKING OR TRYING TO ACCELLERATE WHILE WAITING AT A RED TRAFFIC LIGHT. AS FOR THE CRUISE CONTROL, THE MODULE WAS ORDERED ON ITS FIRST VISIT, THE MODULE WAS DEFECTIVE AND REORDERED ON ITS SECOND VISIT, THE MODULE WAS INSTALLED ON ITS THIRD VISIT, AND THE DEALER STATED THAT IT NEEDED A SWITCH FOR THE CRUISE TO WORK. THREE MONTHS LATER, THE CRUISE CONTROL IS STILL INOPERABLE. AS FOR THE IDLING PROBLEMS, IT COULD NOT BE VERIFIED ON ITS FIRST VISIT. IT WAS VERIFIED AND REPRODUCED ON ITS SECOND VISIT, AND THE CAR STAYED FOR 2 AND 1/2 WEEKS WITH THE DEALER TO REPLACE A MASS AIRFLOW SENSOR. PICKED UP THE CAR ONLY TO FIND OUT THAT IT STILL HAS THE SAME IDLING PROBLEMS. IT WENT BACK TO THE DEALER 5 DAYS LATER, AND THEY CLAIMED THAT THE PROBLEM "COULD NOT BE DETECTED." TWO DAYS AFTER ITS LAST VISIT ON 02/02/2005, THE DEALER DELIVERED THE CAR WITH SIGNIFICANT DAMAGE ON THE DRIVER SIDE FRONT AND PASSENGER DOORS. THE CAR GOT IN AN ACCIDENT WHILE IT WAS IN THE DEALER'S CARE, AND THEY PROMISED IN WRITING TO FIX IT. 1 AND 1/2 MONTHS LATER, THE PROMISED WAS NOT FULFILLED, SO I PICKED UP THE CAR AND TOOK IT TO ANOTHER SHOP. MY INSURANCE PAID FOR THE COST, LESS $500 DEDUCTIBLE. WHERE THE DEALER FAILED IN 1.5 MONTHS TO FIX THE DAMAGE, ANOTHER SHOP SUCCEEDED IN JUST 6 DAYS! THE DOORS ARE FIXED, BUT THE ON-GOING PROBLEMS ON THE CAR STILL REMAIN. THREE MONTHS OF OWNERSHIP OF A SUPPOSEDLY "BRAND NEW" CAR, AND IT BEHAVES LIKE A CLUNKER.

NHTSA ODI #10114834

Mileage unknown · Feb 4, 2005
Electrical SystemFire

WHILE I WAS DRIVING MY VEHICLE MY PASSENGER NOTICED THAT THERE WAS SMOKE COMING OUT OF THE DASHBOARD AREA. IN AN ATTEMPT TO GET OFF THE ROAD THE SMOKE HAD TURNED INTO FLAMES AT WHICH TIME I STOPPED THE VEHICLE AND I AND MY PASSENGER GOT OUT OF THE VEHICLE AND CALLED 911. *JB

NHTSA ODI #10109815

Mileage unknown · Feb 3, 2005
Electrical SystemFire

WHILE DRIVING, A FIRE STARTED FROM THE DASHBOARD. THE CAUSE OF FIRE WAS UNDETERMINED.

NHTSA ODI #10109795

500 miles · Apr 12, 2004
Electrical System

HORN FAILED. *AK

NHTSA ODI #10067025

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.