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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

What owners actually said

225 reports
96,000 miles · May 16, 2007
Engine And Engine Cooling

TL*THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT STATED THAT THE VEHICLE RUNS WELL, BUT THE ENGINE LIGHT ILLUMINATES INTERMITTENTLY. THE FAILURE BEGAN ON MAY 12, 2007 AND HAS BEEN OCCURRING EVER SINCE. SHE REPLACED THE WINDSHIELD WIPER FLUID AND THE LIGHT, BUT THE CHECK ENGINE LIGHT CONTINUES TO ILLUMINATE. THE ENGINE SIZE…

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TL*THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT STATED THAT THE VEHICLE RUNS WELL, BUT THE ENGINE LIGHT ILLUMINATES INTERMITTENTLY. THE FAILURE BEGAN ON MAY 12, 2007 AND HAS BEEN OCCURRING EVER SINCE. SHE REPLACED THE WINDSHIELD WIPER FLUID AND THE LIGHT, BUT THE CHECK ENGINE LIGHT CONTINUES TO ILLUMINATE. THE ENGINE SIZE WAS UNKNOWN. THE CURRENT AND FAILURE MILEAGES WERE 96,000.

NHTSA ODI #10190959

112,358 miles · May 16, 2007
Tires

PUNCTURED TIRE NEEDED TO BE REPLACED, TIRE WAS REPLACED. THE DAMAGED TIRE HAD EXCESSIVE TREAD WEAR IN RELATION TO THE MILES DRIVEN ON CAR. THE FIGURES SHOWED THE TIRE WAS WEARING 3-1 EXP: UNIROYAL TOURING TRACK, P205/60R15-90H WITH 60,000 MILE TREAD WEAR. 10/32ND TREAD DEPTH NEW. I BOUGHT THIS TIRE ON 03/07/07, AND WAS DAMA…

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PUNCTURED TIRE NEEDED TO BE REPLACED, TIRE WAS REPLACED. THE DAMAGED TIRE HAD EXCESSIVE TREAD WEAR IN RELATION TO THE MILES DRIVEN ON CAR. THE FIGURES SHOWED THE TIRE WAS WEARING 3-1 EXP: UNIROYAL TOURING TRACK, P205/60R15-90H WITH 60,000 MILE TREAD WEAR. 10/32ND TREAD DEPTH NEW. I BOUGHT THIS TIRE ON 03/07/07, AND WAS DAMAGED ON 05/14/07= 70 DAYS OLD. BOUGHT TIRE FROM WAL-MART, BRUNSWICK, GA 31520. TOOK TIRE TO SAME ON 05/14/07. TIRE SHOWED 4/32NDS WORE OFF OF TREAD. THIS = 24,000 MILES OF WEAR AT 6,000 MILE PER 1/32ND OF TREAD. TRAVEL NO MORE THEN 100 MILES PER DAY AT 68 DAYS AND 1 ROUND TRIP OF 1,500 MILES = TOTAL OF8,300 MILES OF TRAVEL ON CAR. AS I SAID 3-1 WEAR OF TREAD.MFG WILL NOT AJUST PRORATED COST OF NEW TIRE NOR WILL WAL-MART. NEW TIRE SHOULD HAVE BEEN REPLACED FREE BUT COAT ME PRORATE OF $49.00. *AK

NHTSA ODI #10190897

Mileage unknown · Apr 16, 2007
Power Train

I BOUGHT MY CAR IN AUGUST 2004, A 2004 KIA OPTIMA, AND EVERYTHING WAS FINE UNTIL ABOUT APRIL 2006. I WAS DRIVING TO WORK AND I NOTICED WHEN I LEFT MY HOUSE THAT THE CAR SOUNDED A LITTLE FUNNY AND THE CLUTCH WAS GIVING ME PROBLEMS. I WAS STOPPING AT A RED LIGHT AND THE CAR JUST DIED. I HAD THE CAR TOWED TO THE DEALERSHIP AND T…

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I BOUGHT MY CAR IN AUGUST 2004, A 2004 KIA OPTIMA, AND EVERYTHING WAS FINE UNTIL ABOUT APRIL 2006. I WAS DRIVING TO WORK AND I NOTICED WHEN I LEFT MY HOUSE THAT THE CAR SOUNDED A LITTLE FUNNY AND THE CLUTCH WAS GIVING ME PROBLEMS. I WAS STOPPING AT A RED LIGHT AND THE CAR JUST DIED. I HAD THE CAR TOWED TO THE DEALERSHIP AND THE SERVICE DEPARTMENT INSURED ME THAT THE CLUTCH WAS UNDER WARRANTY AND IT WOULD ONLY COST $50 AT THE MOST. THEY GAVE ME A LOANER CAR AND I WENT TO WORK. THE SERVICE MANAGER CALLED ME A COUPLE OF HOURS LATER TO INFORM ME THAT THE CLUTCH WASN'T UNDER WARRANTY AND IT WAS GOING TO COST ME $1500.00 TO FIX MY CAR. THEY FIXED IT AND I PAID. UNFORTUNATELY THAT'S NOT THE END OF THE STORY, A COUPLE OF MONTHS LATER MY CAR BROKE DOWN AGAIN AND I HAD IT TOWED TO THE SAME DEALERSHIP, THEY INSTANTLY GAVE ME A LOANER CAR AND I WENT TO WORK. THEY CALLED ME A FEW HOURS LATER AT WORK TO TELL ME THAT THE CLUTCH WAS BAD AGAIN AND TRIED TO TELL ME IT WAS BECAUSE I WAS RIDING THE CLUTCH. I TOLD THEM THAT THIS WASN'T THE ONLY MANUAL TRANSMISSION I HAD OWNED. I'VE OWNED 4 MANUAL TRANSMISSIONS SOME NEW SOME MUCH OLDER AND I'VE NEVER HAD TO REPLACE A CLUTCH. THEY DID TELL ME THAT I WOULDN'T HAVE TO PAY ANYTHING BECAUSE THE NEW CLUTCH WAS STILL UNDER WARRANTY. ABOUT A WEEK LATER THEY CALLED TO TELL ME THAT THEY HAD INSTALLED THE CLUTCH BUT THEY FOUND THE TRANSMISSION WAS BAD AND NEEDED TO BE REPLACED. I ASKED THEM IF IT WAS POSSIBLE THAT THE TRANSMISSION WAS THE PROBLEM IN THE FIRST PLACE AND CAUSED BOTH CLUTCHES TO GO BAD BUT THEY INSURED ME THAT IT WASN'T POSSIBLE. THEY PAID FOR THE CLUTCH AND THE TRANSMISSION. *JB

NHTSA ODI #10188041

44,143 miles · Jan 10, 2007
Air Bags

TL* - THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT WAS ADVISED BY THE SERVICE DEPARTMENT THAT THE AIR BAG SENSOR WAS DEFECTIVE AND NEEDED TO BE REPLACED. THE DEALER ,WHERE THE CONTACT PURCHASED THE VEHICLE REPAIRED THE AIR BAG SENSOR ON TWO OCCASIONS, BUT THE FAILURE RECURRED. THE CONTACT INDICATED THAT THE SENSOR WAS S…

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TL* - THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT WAS ADVISED BY THE SERVICE DEPARTMENT THAT THE AIR BAG SENSOR WAS DEFECTIVE AND NEEDED TO BE REPLACED. THE DEALER ,WHERE THE CONTACT PURCHASED THE VEHICLE REPAIRED THE AIR BAG SENSOR ON TWO OCCASIONS, BUT THE FAILURE RECURRED. THE CONTACT INDICATED THAT THE SENSOR WAS SUPPOSE TO DETECT A WEIGHT 90 POUNDS OR ABOVE. *AK UPDATED 2/6/2007 -*NM

NHTSA ODI #10178328

45,000 miles · Sep 13, 2006
Air Bags

DT*: THE CONTACT STATED THE AIR BAG LIGHT ILLUMINATED THREE TIMES. THE FIRST TIME THE DEALERSHIP REPLACED THE DRIVER SIDE AIR BAG. THE SECOND TIME THE DEALERSHIP REPLACED THE PASSENGER SIDE AIR BAG. THE CONTACT IS AWAITING INSPECTION OF THE VEHICLE FOR THE THIRD AIR BAG LIGHT ILLUMINATION.

NHTSA ODI #10168159

15,600 miles · Aug 10, 2006
Engine And Engine Cooling

DT*: THE CONTACT STATED THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE RESTARTED AND THE DEALERSHIP WAS NOT CONTACTED. UPDATED 08/29/06. *JB

NHTSA ODI #10165162

Mileage unknown · Aug 3, 2006
Unknown Or Other

I HAVE A 2004 KIA OPTIMA WITH A BELT THAT SQUEAKS RATHER LOUDLY. I TOOK IT BACK TO THE DEALER. THEY SAID IT WAS NOT COVERED UNDER WARRANTY AND WOULD COST $120.00 TO REPLACE IT IF I WANTED TO, BUT IT WAS NOT DANGEROUS. MY PROBLEM WAS THAT I HAD JUST BOUGHT THE CAR AND IT MADE THIS AWFUL SOUND. I EVEN CONTACTED KIA'S COMPLAINT DEP…

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I HAVE A 2004 KIA OPTIMA WITH A BELT THAT SQUEAKS RATHER LOUDLY. I TOOK IT BACK TO THE DEALER. THEY SAID IT WAS NOT COVERED UNDER WARRANTY AND WOULD COST $120.00 TO REPLACE IT IF I WANTED TO, BUT IT WAS NOT DANGEROUS. MY PROBLEM WAS THAT I HAD JUST BOUGHT THE CAR AND IT MADE THIS AWFUL SOUND. I EVEN CONTACTED KIA'S COMPLAINT DEPARTMENT, BUT NOTHING WAS EVER DONE. THIS IS MY FIRST AND LAST KIA. THIS JUST DIDN'T HAPPEN ONCE, BUT SQUEAKS ON A REGULAR BASIS. *JB

NHTSA ODI #10164405

61,361 miles · Jun 29, 2006
Fuel System, Gasoline

DT*: THE CONTACT STATED WHILE TRAVELING 25 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE GAS CAP WAS REMOVED AND REPLACED TO REMOVE PRESSURE IN THE FUEL TANK. WHEN THE VEHICLE WAS RESTARTED, IT WAS SLUGGISH, AND HAD VERY LITTLE POWER, AND A CLUNKING NOISE WAS HEARD. SO, THE VEHICLE WAS TOWED TO THE DEALERSHIP. THE DEALERS MECHAN…

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DT*: THE CONTACT STATED WHILE TRAVELING 25 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE GAS CAP WAS REMOVED AND REPLACED TO REMOVE PRESSURE IN THE FUEL TANK. WHEN THE VEHICLE WAS RESTARTED, IT WAS SLUGGISH, AND HAD VERY LITTLE POWER, AND A CLUNKING NOISE WAS HEARD. SO, THE VEHICLE WAS TOWED TO THE DEALERSHIP. THE DEALERS MECHANIC RAN A COMPUTER DIAGNOSTIC TEST, WHICH REVEALED SEVERAL MISFIRE CODES. UPON REMOVING THE FUEL PUMP, MELTED WIRING WAS DISCOVERED RUNNING FROM THE FUEL PUMP TO THE GAS TANK. THE MANUFACTURER WAS ALERTED.

NHTSA ODI #10161074

Mileage unknown · Jan 5, 2006
Service Brakes, Hydraulic

I RECENTLY PURCHASED A KIA OPTIMA 2004, ON DECEMBER 28,2005 I NOTICE A PIERCING NOISE COMING FROM THE BACK OF MY CAR. I TOOK THE CAR INTO THE LOCAL DEALERSHIP WHO INDICATED THAT I NEEDED NEW BRAKE PADS AND THAT MY ROTORS WERE RUSTED. MY QUESTION IS HOW CAN A CAR THAT IS BRAND NEW AND ONLY DRIVEN FOR 14 MONTHS HAVE RUSTED ROTORS…

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I RECENTLY PURCHASED A KIA OPTIMA 2004, ON DECEMBER 28,2005 I NOTICE A PIERCING NOISE COMING FROM THE BACK OF MY CAR. I TOOK THE CAR INTO THE LOCAL DEALERSHIP WHO INDICATED THAT I NEEDED NEW BRAKE PADS AND THAT MY ROTORS WERE RUSTED. MY QUESTION IS HOW CAN A CAR THAT IS BRAND NEW AND ONLY DRIVEN FOR 14 MONTHS HAVE RUSTED ROTORS. ISN'T THERE SAFETY STANDARDS ON MATERIAL USED SO THAT THIS DOES NOT OCCUR IN SUCH SHORT OF A TIME. IT WAS NOT COVERED UNDER WARRANTY WHICH RESULTED IN A BILL TOTALING $659.00. MY PURPOSE OF PURCHASING A NEW CAR WAS TO AVOID CONSTANT REPAIRS RIGHT AWAY. I FEEL THAT ALL OF THE FINE PRINT WAS NOT DISCLOSED WHEN KIA ADVERTISES A BUMPER TO BUMPER WARRANTY FOR A CAR UP TO 100,000 MILES. I EVEN CALLED THE NATIONAL CUSTOMER SERVICE HOTLINE FOR KIA AND THEY HAD NO EXPLANATION AS TO WHY THIS COULD HAVE OCCURRED IN SUCH SHORT OF A TIME. THE CAR HAS ONLY SEEN 1 WINTER. *JB

NHTSA ODI #10146947

5,500 miles · Dec 2, 2005
Engine And Engine CoolingStructure

MOTOR MOUNTS AND PULLEYS DEFECTIVE. THIS WILL BE MY THIRD TIME TO THE SHOP IN LESS THAN A MONTH. THE PULLEYS AND MOUNTS ARE BOUND TO CAUSE OTHER DAMAGE. *JB

NHTSA ODI #10144213

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.