The Lemon Index

All cars · Kia Optima · 2004

2004 Kia Optima. Advanced data.

The raw numbers: engines, recall campaign numbers, failure mileage and manufacturer communications.

Lemon Index64100 = average car
Complaints29NHTSA, first 3 years
Sold53,492U.S. model year
Per 100K sold54complaints
Year rank#5 of 22#1 = fewest complaints

Engines and drivetrains 4

EngineTransmissionDriveCity / hwy / combinedFuelFuel cost/yr
2.4L 4-cylManual 5-spdFWD20 / 27 / 23Regular$2,700
2.4L 4-cylAuto 4-spdFWD19 / 27 / 22Regular$2,850
2.7L 6-cylAuto 4-spdFWD18 / 25 / 21Regular$2,950
2.7L 6-cylManual 5-spdFWD18 / 26 / 21Regular$2,950

EPA test versions for this model year. Fuel cost is the EPA's current estimate, not the price in that year.

Failure mileage by system

Half of owners who gave a mileage reported the problem between 57,000 and 105,000 miles. Median 82,500, from 187 complaints with a mileage.

SystemMedianMiddle halfComplaints
Doors, locks & latches92,00070,000–120,00075
Electrical85,00050,000–120,00035
Body structure103,90063,600–121,80034
Airbags57,50026,000–96,20022
Suspension69,00057,000–86,50015

Mileage owners typed into their NHTSA complaint, all complaints for this model year. People report some problems late, so read it as a range.

Complaints by system

SystemShare of complaints
Electrical24%
Engine21%
Transmission & drivetrain17%
Brakes10%
Fuel system, gasoline10%

One complaint can name more than one system, so shares can add to more than 100%.

Severity, all complaints

TotalCrashesFiresInjuriesDeathsTows
22583702

As reported by owners to NHTSA. Not verified.

Recall campaigns 1

  • 09V183000 May 2009 Suspension / Front

    Defect. 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 AR

    Risk. 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.

Manufacturer communications 15

Kia filed 15 service communications for this car with NHTSA.

  • This bulletin provides information relating to an engine hesitation or the illumination of the…
  • Intermittent mil on with no fault code stored; information about dtc p1330
  • TSB - USE OF AFTERMARKET USB CHARGING CABLES IN USB/12V PORTS - This article provides…

Safety equipment

Electronic stabilityForward collision warningLane departure warning
NoNoNo

Nearby model years

YearLemon IndexComplaintsSoldTop system
20012336425,912Airbags
20021022826,793Airbags
20031173334,681Airbags
2004642953,492Electrical
2005642041,349Airbags
20061604338,408Airbags
20071194340,901Airbags

Sources: NHTSA complaints, recalls, investigations and manufacturer communications; EPA fuel economy data; YouTube video titles. Complaints are owner reports, not proof of a defect.

Updated

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