RoadVitals

2004 Kia Optima Owner Complaints

Reports submitted to NHTSA by owners and drivers, shown in full

Data refreshed

Complaints on fileComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
225
Latest Feb 11, 2025
Crash or fire reportedComplaints whose submitter recorded that a crash or a fire occurred. These are the reporter's own answers on the NHTSA form, not verified findings.
11
Filed in the last 12 monthsReports filed with NHTSA in the trailing 365 days. Recent volume reflects attention and vehicle age as much as anything else.
0
Reports on file since Dec 9, 2003

What this page shows

Our database holds 225 NHTSA owner-reported complaints for the 2004 Kia Optima. Each one is a report filed by an owner or driver and published by NHTSA without most of them being verified. A complaint is not a confirmed defect, not a recall and not a manufacturer bulletin. Narratives are shown exactly as filed.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Complaints, most recent first

Showing 1–25 of 225 · page 1 of 9

Suspension
Filed Feb 11, 2025

Had some noise coming from the front of the car, had my mechanic look at it, he said we needed a control arm. When he took off the cover to replace the control arm, he found the sub frame had rotten and was cracking. As I looked online, I saw that KIA had a recall for this issue. When I contacted KIA, their response was "as my car is not under warranty, they are not required to repair the car" The car in question has 70, 558 miles on it. We are the 2nd owner.

NHTSA ID
11642022
Incident
Dec 10, 2024
Body & structure
Filed Aug 23, 2022

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.

NHTSA ID
11480899
Incident
Aug 8, 2022
Fuel system
Filed Feb 16, 2022

The contact owns a 2004 Kia Optima. The contact stated that after refueling, the vehicle would not start. The vehicle was not taken to a local dealer. Upon investigation, the contact associated the failure with NHTSA Campaign Number: 04V180000 (Fuel System, Gasoline) however, the VIN was not included. The manufacturer was informed of the failure and confirmed that the vehicle was not included in a recall. The failure mileage was approximately 145,000.

NHTSA ID
11452262
Incident
Nov 1, 2021
Mileage
145,000 mi
AirbagsDriver assistanceSuspension
Filed Mar 31, 2021

I WAS REPAIRING BRAKELINES, WHILE OBSERVING UNDER CARRIAGE I NOTICED SUSPENSION RUST, FRAME. LOOKED UP RECALLS AND THIS IS ONE. I INCLUDED SCREENSHOT OF PROOG

NHTSA ID
11405889
Incident
Mar 29, 2021
Driver assistance
Filed Jan 30, 2019

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 ID
11172999
Incident
Oct 25, 2018
Mileage
102,500 mi
Body & structure
Filed Mar 26, 2018

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

NHTSA ID
11081243
Incident
Mar 23, 2018
Mileage
121,000 mi
Airbags
Filed Jan 16, 2018
Crash reported1 injury reported

TL* THE CONTACT OWNED A 2004 KIA OPTIMA. WHILE DRIVING 25 MPH, ANOTHER VEHICLE CRASHED INTO THE CONTACT'S VEHICLE FROM THE FRONT. THE PASSENGER SIDE AIR BAGS FAILED TO DEPLOY. A POLICE REPORT WAS FILED. THE CONTACT SUSTAINED STOMACH AND CHEST INJURIES THAT REQUIRED MEDICAL ATTENTION. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE VEHICLE WAS DESTROYED. THE MANUFACTURER WAS NOT CONTACTED. THE VIN WAS UNKNOWN. THE APPROXIMATE FAILURE MILEAGE WAS 57,000.

NHTSA ID
11062981
Incident
Nov 2, 2017
Mileage
57,000 mi
Electrical
Filed Dec 23, 2017

UNABLE TO OPEN PASSENGER DOOR DUE TO DOOR LOCK ACTUATOR STOPPED WORKING. UNSAFE TO DRIVE.

NHTSA ID
11056254
Incident
Dec 12, 2017
Mileage
114,000 mi
Body & structure
Filed Nov 29, 2017

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.

NHTSA ID
11051307
Incident
May 1, 2017
Mileage
48,000 mi
Body & structure
Filed Apr 29, 2017

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.

NHTSA ID
10981452
Incident
Apr 29, 2017
Mileage
120,000 mi
Filed Mar 24, 2017

CANNOT ADD FUEL BECAUSE THE PUMP STOPS FROM FILLING UP THE TANK. IT TOOK ME ABOUT 7 TIMES TO GET IN $7 WORTH OF GAS. EVEN THOUGH THIS CAR ONLY HAS 25,830 MILES ON IT. IT HAS HARDLY BEEN USED. WE PUT GAS IN ABOUT EVERY 3 OR 4 WEEKS - NOT THAT OFTEN.

NHTSA ID
10968309
Incident
Mar 8, 2017
Mileage
25,800 mi
Suspension
Filed Feb 22, 2017

TL* THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT STATED THAT THE VEHICLE FAILED INSPECTION DUE TO SEVERE CORROSION OF THE SUBFRAME. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE CONTACT REFERENCED NHTSA CAMPAIGN NUMBER: 09V183000 (SUSPENSION) AS A POSSIBLE SOLUTION TO THE FAILURE; HOWEVER, THE VIN WAS NOT INCLUDED. THE FAILURE MILEAGE WAS APPROXIMATELY 57,000. ..UPDATED 05/05/17 *BF *CN

NHTSA ID
10956326
Incident
Feb 21, 2017
Mileage
57,000 mi
Engine
Filed Feb 17, 2017

TL* THE CONTACT OWNS A 2004 KIA OPTIMA. WHILE DRIVING APPROXIMATELY 20 MPH, THE VEHICLE LOST POWER AND SEVERAL INDICATORS ILLUMINATED ON THE INSTRUMENT PANEL. THE VEHICLE SHUT DOWN AND WAS PUSHED TO THE SIDE OF THE ROAD WITH THE HELP OF THE STATE HIGHWAY PATROL. THE VEHICLE WAS LATER TOWED TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE TIMING BELT FRACTURED AND THE ENGINE NEEDED TO BE REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE, BUT DID NOT OFFER ANY ASSISTANCE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 163,000.

NHTSA ID
10955343
Incident
Jan 8, 2017
Mileage
163,000 mi
Airbags
Filed Jan 13, 2017
1 injury reported

THE AIR BAG WENT OFF WHILE MY WIFE WAS REACHING FOR HER SEAT BELT AND SCRAPPED AND BURNED HER ARM. IT SOUNDED LIKE A GUN GOING OFF. I RUSHED HER HOME AND TOOK CARE OF HER WOUNDS

NHTSA ID
10945179
Incident
Dec 8, 2016
Mileage
91,000 mi
Body & structure
Filed Jan 9, 2017

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.

NHTSA ID
10943813
Incident
Jan 2, 2017
Mileage
178,000 mi
Body & structureInterior & seats
Filed Dec 12, 2016

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 ID
10934627
Incident
Dec 9, 2016
Mileage
101,000 mi
Filed Dec 5, 2016

DRIVER'S DOOR LOCKING SYSTEM WILL NOT UNLOCK, ALL OTHERS DO. THE DOOR LOCKS ITSELF IMMEDIATELY AS YOU TRY TO UNLOCK EITHER WITH THE KEY (OUTSIDE) OR PRESSING THE CENTRAL LOCK BUTTON (WHEN INSIDE). THIS WOULD BE A SERIOUS PROBLEM IF THE CAR WAS INVOLVED IN AN ACCIDENT AND/OR FIRE WAS AN ISSUE. RIGHT NOW IT IS INCONVENIENT TO CLIMB OVER THE CENTER CONSOLE. I SEE THIS IS NOT THE FIRST COMPLAINT ON THIS SUBJECT AND THE PROBLEM SEEMS ENDEMIC TO THIS CAR. THE PROBLEM STARTED INTERMITTENTLY FROM SEPTEMBER 2016 AND NOW IS PERMANENT AS OF NOVEMBER 30.

NHTSA ID
10930021
Incident
Nov 30, 2016
Mileage
124,560 mi
Airbags
Filed Oct 30, 2016

AIR BAG LIGHT ON DASHBOARD STAYS ON, STARTED TWO DAYS A GO.

NHTSA ID
10920049
Incident
Oct 27, 2016
Mileage
87,000 mi
Body & structure
Filed Oct 4, 2016

PASSENGER AND DRIVER DOOR LOCKS WILL NOT UNLOCK 85% OF THE TIME, PREVENTING NORMAL ENTRY TO / EXIT FROM THE VEHICLE. MULTIPLE ATTEMPTS USING THE KEY IN THE DOOR LATCH ARE REQUIRED TO GAIN ENTRY THE OTHER 15% OF THE TIME. THIS IS A HUGE SAFETY ISSUE IN CASE OF CRASH, FIRE, OR CARJACKING. INTERNET RESEARCH SHOWS THIS TO BE A COMMON ISSUE AROUND 100K MILES. THIS SHOULD BE A RECALL EVENT...

NHTSA ID
10913613
Incident
Oct 1, 2015
Mileage
105,000 mi
AirbagsDriver assistanceSeat belts
Filed Sep 1, 2016

MY AIR BAG LIGHT COMES ON THERE'S NO WIRES DISCONNECTED UNDER THE SEAT AND MY SEAT BELTS DO NOT RETRACT WELL ALSO MY DOOR LOCKS ARE GETTING STUCK IN LOCK MODE AND MY ENGINE COMES ON AND THEN GOES OFF.AFTER AWHILE.WHEN IN PARK

NHTSA ID
10903189
Incident
Jan 1, 2013
Mileage
126,000 mi
Electrical
Filed Aug 16, 2016

ON SEVERAL OCCASIONS, WHEN MANUALLY UNLOCKING THE POWER DOOR LOCKS, THEY WILL IMMEDIATELY LOCK AGAIN AND WILL GO INTO A LOOP OF UNLOCK-RELOCK, WHETHER USING THE MANUAL DOOR LOCK OR THE POWER LOCK SWITCH (THE RELAY CLICKS BUT NOTHING HAPPENS WHEN USING THE SWITCH). THIS HAPPENS ABOUT 10% OF THE TIME.

NHTSA ID
10896275
Incident
May 6, 2015
Mileage
80,000 mi
Filed Aug 14, 2016

DRIVERS DOOR LOCK WILL NOT OPEN FROM INSIDE AT ALL & ONLY 10%OF THE TIME FROM OUTSIDE WITH KEY. PULLED FUSE ON ACTUATORS & LOCK CONTINUES TO MALFUNCTION. CAN NOT EFFICIENTLY GET IN OR OUT OF THE CAR. HAVE TO SLIDE OVER CENTER TO REACH PASSENGER DOOR TO GET OUT. I AM 6'4" SO THIS IS A REAL SAFETY HAZARD.

NHTSA ID
10895808
Incident
Aug 1, 2016
Mileage
100,000 mi
AirbagsBrakesSteering
Filed Aug 11, 2016
Crash reported1 injury reported

TL* THE CONTACT OWNED A 2004 KIA OPTIMA. WHILE DRIVING AT AN UNKNOWN SPEED, AN ABNORMAL CLICKING NOISE EMITTED FROM THE VEHICLE. THE POWER STEERING FAILED AND THE WHEELS SHOOK VIOLENTLY. THE BRAKES FAILED TO STOP THE VEHICLE AND IT CRASHED INTO A WALL. THE AIR BAGS DEPLOYED AND AN UNKNOWN SUBSTANCE EMITTED INTO THE CONTACTS EYES. THE CONTACT SUSTAINED BURNS TO THE BODY AND LACERATIONS TO BOTH EYES THAT REQUIRED MEDICAL ATTENTION. A POLICE REPORT WAS FILED. THE VEHICLE WAS TOWED AND DEEMED DESTROYED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VIN AND FAILURE MILEAGE WERE UNKNOWN. UPDATED 09/23/16*LJ *TR

NHTSA ID
10895163
Incident
Sep 8, 2015
Electrical
Filed Aug 9, 2016

TL* THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT STATED THAT THE VEHICLE LOCKED AND UNLOCKED WITHOUT USING THE KEYS, AND THE ALARM ACTIVATED ON ITS OWN. THE FAILURE PREVENTED THE DRIVER FROM ENTERING OR EXITING THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE ANTI-THEFT SYSTEM FAILED. THE VEHICLE WAS REPAIRED; HOWEVER, THE FAILURE RECURRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS NOT AVAILABLE.

NHTSA ID
10894331
Incident
Jun 15, 2016
Body & structure
Filed Aug 6, 2016

DRIVER DOOR WOULD NOT OPEN FROM INSIDE OR OUT. POWER DOOR LOCK WOULD AUTOMATICALLY RE-LOCK ALL DOORS WHEN ATTEMPTING TO OPEN OR UNLOCK WITH KEY OR INSIDE LOCK LEVER. HAD TO CRAWL OVER CONSOLE TO GET IN OR OUT WHEN FINALLY ABLE TO GET PASSENGER FRONT DOOR TO OPEN. FINALLY ABLE TO GET DOOR OPEN BY HOLDING KEY CYLINDER IN UNLOCK POSITION AND FORCING HANDLE TO OPEN. UNHOOKED DOOR LOCK ACTUATOR. AS LONG AS LOCKED OR UNLOCKED DOOR WITH KEY ONLY, DOOR WOULD OPEN. IF LOCKED DOOR WITH INSIDE LOCK LEVER, DOOR WOULD NOT OPEN AGAIN. MECHANIC REPLACING THE DRIVER FRONT DOOR LATCH ASSEMBLY REPAIRED VEHICLE. VERY DANGEROUS SITUATION IF IN ACCIDENT OR VEHICLE FIRE.

NHTSA ID
10893697
Incident
Aug 4, 2016
Mileage
173,000 mi

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

Narrow this down by component

Categories with enough reports to have a page of their own

Data sources

Data on this page last refreshed .