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Kia OptimaModel year report

2005 Kia Optima Problems

Complaints
144filed with NHTSA
Median mileage
76,000miles, 112 complaints with mileage
Recalls
0campaigns on record
Trend
FallingComplaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.
NHTSA crash rating
—overall rating starts with 2011 models
EPA fuel economy
22 mpgcombined, 2.4L 4-cyl FWD · 19 city / 28 hwy

Sources: NHTSA records for the 2005 Kia Optima (complaints, recalls, investigations), NHTSA crash tests, EPA fuel economy. Report an error

What owners report

Owners of this 2005 Kia Optima most often report one specific problem: front door locks and latches that stop working, leaving the driver to climb across the console or out another door. Complaints span low and high mileage and frequently mention repeat repairs. Smaller clusters involve the airbag warning light staying on and fuel leaks from the tank area.

  1. Latches, locks and linkages

    Driver door won't unlock or open

    • 89 complaints (62%)
    • median 83,000 mi at 6.8 yrs old (68 state mileage)
    • 2 mention a crash, fire or injury
    • owner-quoted repair $400 (median of 7 quotes)
    • filed 2009–2022

    Owners describe the driver's door — and in some cases the front passenger door — failing to unlock or open from either the inside or the outside, using the key, the fob or the interior handle. Several report the lock cycling or relocking itself, and that the only way in or out is climbing over the console or through a rear door or window. Complaints mention dealers quoting several hundred dollars plus diagnostic fees, identifying the door lock actuator or 'door checker' as the part at fault, and in some cases the problem returning after repair. Reported from about 27,000 miles upward, with most complaints between roughly 50,000 and 120,000 miles.

    1 related service bulletin

    What to check: Test every door, especially the driver's, from inside and outside with the key and the fob before buying, and open and close each lock several times. Ask whether the door lock actuator or latch assembly has been replaced and keep records if it is.

    2 excerpts from owner complaints in NHTSA records

    “Drivers side door will no longer open. When I try to unlock it from either the inside or outside, the unlock mechanism works, but the door will not open. I now have to crawl in from another door and would not be able to get out in an emergency. This appears to be a common problem with kias and could cause serious injury. This needs to be addressed with Kia.”

    NHTSA complaint #10560045, filed 2014-01, 66,000 miles

    “Doors, locks, linkage, upon leaving work on june 16th, 2010, I went to unlock the driver's side door using the key and the car door would not open. I opened the car from the passenger side and crawled over to try to open the driver's side door from the inside, no luck. The driver side door has not and will not open from either side. Huge safety hazard!!! No luck with Kia fixing it either!!!”

    NHTSA complaint #10461389, filed 2012-06, 84,123 miles
  2. Air bags

    Airbag warning light stays on

    • 16 complaints (11%)
    • median 85,000 mi at 5.5 yrs old (11 state mileage)
    • 1 mention a crash, fire or injury
    • filed 2007–2017

    Complaints describe the airbag warning light coming on and staying on, sometimes after flickering over bumps, and sometimes recurring after the dealer cleared codes or replaced seat-back parts. In a few cases owners report the light being on during a collision in which the airbags did not deploy, though the cause was not established. One owner linked the light to a failed clock spring that also stopped the horn from working. Reported across a wide mileage range, from very low mileage up to about 120,000 miles.

    1 related service bulletin

    What to check: Turn the key to run and confirm the airbag light comes on briefly and then goes out; if it stays lit, ask for the stored codes to be read. Have the horn and steering-wheel controls checked at the same time.

    2 excerpts from owner complaints in NHTSA records

    “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.”

    NHTSA complaint #11000725, filed 2017-06, 220,000 miles

    “Eight (8) times since I bought the car the air bag warning light has come on; each time I've taken it to the dealership to have repaired as my families safety is of great concern to me. On two of those occasions the dealership replaced a seat back parts that worked temporarily. The other occasions I was mostly given a bunch of nonsense about computer codes and that they cleared the code (I assume I have air bag protection). All of this occurred while the car was still under it's 60,000 mile warranty. …”

    NHTSA complaint #10232961, filed 2008-07, 28,476 miles
  3. Fuel system

    Fuel smell and leaks from the tank area

    • 8 complaints (6%)
    • median 71,485 mi at 4.0 yrs old (8 state mileage, few)
    • filed 2008–2012

    Owners report strong gasoline smells, trouble filling the tank, and puddles of fuel under the car after parking. Complaints describe the fuel tank being replaced, in some cases more than once, and one owner reported the tank straps wearing into the tank. Dealers are described as sometimes explaining the check-engine light as air in the tank before the leak was found. Mostly reported between roughly 55,000 and 70,000 miles, with recurrence reported a few years later.

    1 related service bulletin

    What to check: Look under the rear of the car for wet or stained areas on and around the tank, and check for a fuel smell after fill-up and after the car sits. Ask whether the tank or tank straps have been replaced.

    2 excerpts from owner complaints in NHTSA records

    “In 2011 we had a hole form in the gas tank of our 2005 Kia Optima. We took it to a repair shop in which they determined that the straps that hold the gas tank in had caused wear onto the actual tank. They replaced the tank with new gas tank (original factory gas tank) on february 7, 2012 the same problem occurred and the vehicle has been taken back in for servicing.”

    NHTSA complaint #10447687, filed 2012-02, 102,832 miles

    “My car began to leak fuel. I sent it into the dealer who found that the gas tank was cracked on the top side of the tank. I was further advised that the leak was not caused by any normal wear and tear or any damage. The car is still under warranty, and I replaced the fuel tank.”

    NHTSA complaint #10240119, filed 2008-08, 56,983 miles

Buying note. The door lock problem is the one to spend time on: check every door's lock and latch in person, since repairs are commonly quoted in the hundreds of dollars and recur. Also confirm the airbag light goes out after startup and look for fuel smells or wet spots around the tank.

Summary written with AI from a sample of 60 NHTSA complaints for this model year (picked at random, with complaints that state a mileage and recent ones taken first), then checked automatically against the source records. Where a problem shows a complaint count, every complaint for this model year was matched with fixed keyword rules (written with AI and tested against the sample), and the mileage, age and repair figures are calculated from those complaints; owners' figures are as stated, not verified. Other counts refer to the sample. The excerpts come from NHTSA's public complaint records and are unverified; capitalisation is normalised, NHTSA staff notes are removed, and shortened text ends with “…”. Something wrong? Request a correction.

NHTSA recorded 144 consumer complaints for the 2005 Kia Optima. 112 of the complaints include a mileage, and 18% of those were filed for vehicles with under 50,000 miles; the median is 76,000 miles. Of all complaints, 7 involved a crash, 1 a fire, 6 an injury, according to the filers. NHTSA lists 0 recall campaigns and 22 technical service bulletins for this model year.

Not compared (before 2008). Model years 2008–2023 of the same vehicle that have at least 25 complaints are compared, and a model needs at least 3 of them.

Which parts are reported most

Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.

Also reported: Brakes (2), Equipment (2), Steering (2), Seats (1), Suspension (1), Visibility (wipers, defrost, mirrors) (1).

Example complaints

Latches, locks and linkages: “The vehicle has had both front doors have failed latches in the last year. What will happen is you will go to unlock the door and the door will not open from inside or out without significant force or not at all. I went 2 months without being able to open my passenger side door, and now I just keep my doors unlocked all the time so I don't need to deal with it.”

NHTSA complaint #10595005, filed 2014-05, 97,000 miles

Electrical system: “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.”

NHTSA complaint #10817234, filed 2015-12, 155,000 miles

Air bags: “I was traveling at about 35-40 MPH when I noticed the person in front of me stop. I hit the brakes and could not stop in time and collided with the rear of this persons car. It smashed in my front bumper, fender, bent the hood about two feet in the air, and my airbags did not deploy. I drive a Kia Optima 2005. I think this crash definitely warranted a airbag deployment.”

NHTSA complaint #10293368, filed 2009-11, 40,000 miles

Body and structure: “Driver's side door would not open. You could click it and it would sound like it was going to open, but it didn't. Had to drive to a Kia store and have the whole assembly replaced at the tune of $450. Interestingly enough, they did not seem to think this was a common problem, but I can see there are hundreds of complaints about this problem. I had my two year old grandson in the back seat and was very worried about getting stuck in the car. If this happens again, I will sell the car. There seem to be a lot of electrical problems on this car. …”

NHTSA complaint #10654169, filed 2014-11, 80,000 miles

Mileage when problems were reported

18% of the 112 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 59,000 and 99,000 miles.

3%0–102%10–2513%25–5030%50–7527%75–10018%100–1507%150+
Share of complaints by mileage when the problem was reported, in thousands of miles (112 complaints with mileage). Red bars: under 50,000 miles. Bucket widths differ. Median: 76,000 miles.

Complaints by year filed

Trend: falling. Complaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.

’05’07’09’1127’13’15’17’22
Complaints by year the complaint was filed with NHTSA. Red bars: the last 3 full calendar years used for the trend. The current year (2026) is partial.

Crash test ratings

NHTSA's 5-Star Safety Ratings for the 2005 Kia Optima. Frontal results are shown driver / passenger; rollover shows the star rating and NHTSA's estimated risk of rolling over in a single-vehicle crash.

VersionOverallFrontalSideSide poleRollover
Optima · sedan not rated4 / 4———

Ratings before the 2011 model year come from an older, less demanding test and are not comparable with ratings for 2011 and later.

Source: NHTSA New Car Assessment Program (5-Star Safety Ratings), nhtsa.gov/ratings.

Fuel economy and running cost

EPA ratings for each 2005 Kia Optima version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).

VersionEngineTransmissionCityHwyComb.Fuel / yr
Optima FWD2.4L 4-cyl5-speed manual202723$2,900
Optima FWD2.4L 4-cyl4-speed automatic192822$3,050
Optima FWD2.7L 6-cyl4-speed automatic182521$3,200
Optima FWD2.7L 6-cyl5-speed manual182621$3,200

Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.

Recalls and investigations

NHTSA lists no recall campaigns for the 2005 Kia Optima in the data used here. A recall can apply to some vehicles of a model year and not others, so check a specific vehicle by VIN at nhtsa.gov/recalls.

NHTSA investigations

Technical service bulletins

TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 22 on record; the latest 10 are shown.

See all 22 bulletins →

Other model years of the Kia Optima

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
202015160,000052923 · FewerRising
201921230,224152950 · TypicalRising
201823345,325252849 · TypicalRising
201725754,000352948 · TypicalRising
201676068,000552898 · MoreRising
20151,01080,0004526100 · MoreStable
201459171,6887526100 · MoreStable
20131,38783,4509527100 · MoreStable
201292080,0005527100 · MoreFalling
201159490,000552796 · MoreFalling
20107570,5001—250 · FewerFalling
200911664,0001—2520 · FewerFalling
200814461,5003—2541 · TypicalFalling
200716775,5002—25Not compared (before 2008)Falling
200615561,8942—23Not compared (before 2008)Stable
200514476,0000—22Not compared (before 2008)Falling
200422582,5001—22Not compared (before 2008)Falling
200314184,2002—22Not compared (before 2008)Rising
200210785,0003—20Not compared (before 2008)Falling
200114381,5003—21Not compared (before 2008)Rising

All Kia Optima model years · Best and worst years by complaints

Frequently asked questions

What are the most common problems with the 2005 Kia Optima?

Owners of this 2005 Kia Optima most often report one specific problem: front door locks and latches that stop working, leaving the driver to climb across the console or out another door. The issues reported most often: Driver door won't unlock or open; Airbag warning light stays on; Fuel smell and leaks from the tank area.

How many NHTSA complaints does the 2005 Kia Optima have?

NHTSA recorded 144 consumer complaints for the 2005 Kia Optima as of Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 2005 Kia Optima is reported most often?

Latches, locks and linkages is named most often, in 66 complaints (46% of the total), followed by electrical system with 29.

Has the 2005 Kia Optima been recalled?

NHTSA lists no recall campaigns for this model year in the data used here. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.

What gas mileage does the 2005 Kia Optima get?

The EPA rates the 2005 Kia Optima (Optima, 2.4L 4-cyl) at 22 mpg combined, 19 city and 28 highway, with an estimated annual fuel cost of $3,050 at 15,000 miles a year. Other engine and drive versions are rated differently.

At what mileage are problems with the 2005 Kia Optima reported?

Among the 112 complaints that include a mileage, the median is 76,000 miles and the middle half falls between 59,000 and 99,000 miles; 18% were filed for vehicles with under 50,000 miles.

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Crash ratings are from NHTSA’s New Car Assessment Program. Fuel economy is from the EPA and DOE (fueleconomy.gov).

Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.