Total Complaints
180 filings
KIA OPTIMA · model year
180 NHTSA complaints, 7 crash reports for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2005KIAOPTIMA carries 180 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 7 crashes, 2 fires, 7 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2005 OPTIMA is latches/locks/linkages with 62 filings, followed by electrical system (29) and air bags (19). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 38 investigation files overlapping the 2005 OPTIMA, and 1 remain open. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
180 filings
Crashes Reported
7 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| LATCHES/LOCKS/LINKAGES | 62 |
| ELECTRICAL SYSTEM | 29 |
| AIR BAGS | 19 |
| STRUCTURE:BODY | 12 |
| STRUCTURE:BODY:DOOR | 9 |
| FUEL SYSTEM, GASOLINE | 6 |
| UNKNOWN OR OTHER | 6 |
| ENGINE AND ENGINE COOLING | 5 |
| LATCHES/LOCKS/LINKAGES:DOORS:LATCH | 4 |
| EXTERIOR LIGHTING | 3 |
| SEAT BELTS | 3 |
| AIR BAGS:FRONTAL | 2 |
| POWER TRAIN:AUTOMATIC TRANSMISSION | 2 |
| FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY | 2 |
| SERVICE BRAKES, HYDRAULIC | 2 |
The contact owns a 2005 Kia Optima. The contact was unable to use the key to manually unlock the door to the vehicle. Additionally, the vehicle failed to open consistently from inside the vehicle. Due to the failure, the contact was unable to take the vehicle to the dealer to be diagnosed. The vehicle was not repaired. The manufacturer had not been informed of the failure. The failure mileage was approximately 82,000.
Mileage: 82,000
driver side door lock does not open using the arm rest switch. wife was in the car could reach the switch but not the unlatch lever . Car was overheating with Ac on with keys in the ignition . Had to have her roll down the passenger door window to manually open the rear passenger side door . From the rear seat I could reach the lever and unlock the door. If I could not it would have been a fire hazard.
THE DRIVER DOOR BECOME JAMMED AND SOMETIMES WILL NOT OPEN. YOU HAVE TO CONTINUOUSLY/EXCESSIVELY JERK ON IT. DUE TO NOT OPENING, I HAVE TO CRAWL THROUGH THE PASSENGER SIDE DOOR IN ORDER TO GAIN ENTRANCE INTO THE VEHICLE. NOT ONLY THAT, AFTER FINALLY GETTING THE DRIVER DOOR TO OPEN, I HAVE TO LEAVE IT CRACK TO AVOID THIS STRUGGLE.
TL* THE CONTACT OWNS A 2005 KIA OPTIMA. WHILE ATTEMPTING TO EXIT THE VEHICLE, THE DOOR'S FAILED TO UNLOCK. THE CONTACT HAD TO EXIT THROUGH THE SUN ROOF. THE CONTACT ALSO STATED THAT HE WAS ABLE TO UNLOCK THE FRONT PASSENGER SIDE DOOR FROM OUTSIDE OF THE VEHICLE; HOWEVER, THE FRONT DRIVER'S DOOR WAS INOPERABLE. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE DEALER WAS NOT CONTACTED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 140,000.
Mileage: 140,000
DRIVERS SIDE DOOR LOCKING MECHANISM MALFUNCTION. MECHANISM WILL NOT ALLOW THE DOOR TO UNLOCK, THEREFORE THE DOOR CAN NOT BE OPENED. DRIVER MUST CLIMB OUT OF PASSENGER SIDE.
AFTER REPAIRING THE MASS AIR FLOW HOSE,PURGE VALVE,AND THE VALVE COVER GASKET. IT DIDN'T PASS THE STATE INSPECTION. I WAS TOLD TO DRIVE IT A LITTLE LONGER TO PUT MILES ON THE CAR. SO I DID.. AFTER SEVEN WEEK GOING BACK TO HAVE IT CHECK IT WAS STILL SHOWING NOT READY. THE MERCHANIC THERE COULDN'T TELL ME WHAT THE PROBLEM AND THEIR SUBJESTED TO TAKE IT TO THE DEALER AFTER PUTTING 1175 MILES ON MY CAR
Mileage: 146,156
AFTER REPAIRING THE MASS AIR FLOW HOSE,PURGE VALVE,AND THE VALVE COVER GASKET. IT DIDN'T PASS THE STATE INSPECTION. I WAS TOLD TO DRIVE IT A LITTLE LONGER TO PUT MILES ON THE CAR. SO I DID.. AFTER SEVEN WEEK GOING BACK TO HAVE IT CHECK IT WAS STILL SHOWING NOT READY. THE MERCHANIC THERE COULDN'T TELL ME WHAT THE PROBLEM AND THEIR SUBJESTED TO TAKE IT TO THE DEALER AFTER PUTTING 1175 MILES ON MY CAR
Mileage: 146,156
THE LIGHT FOR MY AIR BAG HAS BEEN STAYING ON AND MY HORN QUIT WORKING FOR OVER A YEAR NOW. I FINALLY TOOK IT TO THE SHOP FOR THEM TO LOOK AT IT, THEY TOLD ME IT WAS A CLOCK SWITCH (I BELIEVE I SAID THAT RIGHT) WHICH IS SOMETHING IN THE STEERING CONNECTED TO THE AIRBAG AND HORN. I AM CONCERNED THAT THE AIRBAG MIGHT ACTIVATE WHILE I AM DRIVING WHICH WOULD NOT BE GOOD. MAYBE EVEN NOT WORK IF I GET IN A WRECK.
Mileage: 220,000
THE LIGHT FOR MY AIR BAG HAS BEEN STAYING ON AND MY HORN QUIT WORKING FOR OVER A YEAR NOW. I FINALLY TOOK IT TO THE SHOP FOR THEM TO LOOK AT IT, THEY TOLD ME IT WAS A CLOCK SWITCH (I BELIEVE I SAID THAT RIGHT) WHICH IS SOMETHING IN THE STEERING CONNECTED TO THE AIRBAG AND HORN. I AM CONCERNED THAT THE AIRBAG MIGHT ACTIVATE WHILE I AM DRIVING WHICH WOULD NOT BE GOOD. MAYBE EVEN NOT WORK IF I GET IN A WRECK.
Mileage: 220,000
I AM A DISABLED WOMAN WHO BECAME TRAPPED IN HER OWN CAR BECAUSE THE LOCK MECHANISM ON THE DOOR WOULD NOT OPEN NOR COULD I ROLL DOWN THE WINDOW. THIS IS UNACCEPTABLE. I TRIED TO CLIMB OVER THE GEARSHIFT TO TRY THE PASSENGER DOOR AND HURT MY BACK IN THE PROCESS. I CALLED 911 FOR HELP
Mileage: 99,000
CLOSED DRIVER'S DOOR AND DOOR WOULD NOT REOPEN. I TOOK CAR TO AUTO SHOP AND MECHANIC FINALLY GOT DOOR TO OPEN AFTER ABOUT AN HOUR AND A HALF. HE THOUGHT HE HAD REPAIRED THE DOOR AND CLOSED IT, BUT WHEN HE TRIED TO OPEN THE DOOR FOR FINAL INSPECTION, AGAIN IT WOULD NOT OPEN NORMALLY AND UPON FURTHER INSPECTION HE FOUND THE DOOR LOCK MECHANISMS WERE NOT FUNCTIONING CORRECTLY FROM THE WAY THEY HAD BEEN MANUFACTURED. AND THERE WAS A RECALL ON THE KIA DOOR LOCK MECHANISMS INCLUDING MY CAR'S YEAR, MAKE AND MODEL. I AM CONCERNED THIS IS A SERIOUS HAZARD, ESPECIALLY SINCE I TRANSPORT SMALL CHILDREN, SOME IN CAR SEATS. MY CAR IS AN OLDER CAR AND I WOULD LIKE ALL FOUR LOCKS REPLACED WITH 'UP TO STANDARD' LOCKS.
Mileage: 178,000
MY AIRBAG CONTINUES TO HAVE PROBLEMS AND THE AIRBAG LIGHT WILL NOT GO OFF FOR OVER A YEAR NOW. THE CAR WAS JUST STARTED AND STATIONARY WHEN THE LIGHT WENT ON.
Mileage: 60,000
ONE MORNING I TURNED THE CAR ON AND THE AIR BAG LIGHT CAME ON AND HAS NOT GONE OFF! ; (
AIRBAG LIGHT CAME ON FOR NO REASON AND WILL NOT GO OFF. THE DRIVER SEAT AND SUNROOF HAVE AN ELECTRICAL ISSUE WHERE THEY WORK THEN DON'T, FOUND THAT THE SWITCHES ARE BAD AND WORK SOMETIMES.
Mileage: 157,000
AIRBAG LIGHT CAME ON FOR NO REASON AND WILL NOT GO OFF. THE DRIVER SEAT AND SUNROOF HAVE AN ELECTRICAL ISSUE WHERE THEY WORK THEN DON'T, FOUND THAT THE SWITCHES ARE BAD AND WORK SOMETIMES.
Mileage: 157,000
LOCKED CAR AFTER BUYING IT USED DRIVERS DOOR WILL NOT UNLOCK. MULTIPLE COMPLAINTS ONLINE ABOUT THIS PROBLEM. MY DAUGHTER WAS GOING TO DRIVE THIS THING. KIA DEALER DID NOT EVEN MENTION THIS TO ME, BUT DID SAY IT WAS 200 MINIMUM. I HOPE THIS GETS INVESTIGATED. IN AN ACCIDENT THE DOOR WILL NEVER OPEN. I DROVE THE CAR HOME AND AFTER 2 HOURS IT WILL NOT UNLOCK.
Mileage: 155,000
LOCKED CAR AFTER BUYING IT USED DRIVERS DOOR WILL NOT UNLOCK. MULTIPLE COMPLAINTS ONLINE ABOUT THIS PROBLEM. MY DAUGHTER WAS GOING TO DRIVE THIS THING. KIA DEALER DID NOT EVEN MENTION THIS TO ME, BUT DID SAY IT WAS 200 MINIMUM. I HOPE THIS GETS INVESTIGATED. IN AN ACCIDENT THE DOOR WILL NEVER OPEN. I DROVE THE CAR HOME AND AFTER 2 HOURS IT WILL NOT UNLOCK.
Mileage: 155,000
TL* THE CONTACT OWNS A 2005 KIA OPTIMA. WHILE IN PARK, THE AUTOMATIC DOOR LOCKS FAILED. THE CONTACT ATTEMPTED TO USE THE REMOTE FOR ENTRY AND HEARD A CLICKING NOISE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 128,000.
Mileage: 128,000
TL* THE CONTACT OWNS A 2005 KIA OPTIMA. WHILE IN PARK, THE AUTOMATIC DOOR LOCKS FAILED. THE CONTACT ATTEMPTED TO USE THE REMOTE FOR ENTRY AND HEARD A CLICKING NOISE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 128,000.
Mileage: 128,000
I STARTED THE VEHICLE THIS MORNING AND THE AIR BAG LIGHT REMAINED ILLUMINATED. THE LIGHT REMAINS ILLUMINATED AFTER TWO DAYS.
Mileage: 85,500
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.