2004 Kia Optima
The Verdict
Worst problem area
Body, Seats & Latches
Body, Seats & Latches leads by volume: 116 of 225 complaints (52%) mention it. Complaints mentioning Airbags & Restraints include more reported injuries (5) than those mentioning any other identified area.
Complaints filed rose from 141 in 2003 to 225 in 2004.
Data last changed . Sources: NHTSA complaints and recalls, EPA fuel economy data. Methodology
Cost, Fuel Economy & Complaint History
| Category | 2002 | 2003 | 2004 | 2005 | 2006 | vs. 2004 Midsize Cars |
|---|---|---|---|---|---|---|
| Annual fuel cost ($) | 2,950–3,450 | 2,700–2,950 | 2,700–2,950 | 2,700–2,950 | 2,500–2,950 | |
| Combined MPG | 18–21 | 21–23 | 21–23 | 21–23 | 21–25 | |
| City / Highway MPG | 16–19 / 22–26 | 18–20 / 25–27 | 18–20 / 25–27 | 18–20 / 25–28 | 18–21 / 25–31 | |
| CO₂ tailpipe (g/mi) | 423–494 | 386–423 | 386–423 | 386–423 | 355–423 | |
| Complaints filed | 107 | 141 | 225 | 144 | 155 | |
| Recalls issued | 3 | 2 | 1 | 0 | 2 | |
| Crash-involved complaints | 15 | 8 | 8 | 7 | 3 | |
| Fire-involved complaints | 4 | 2 | 3 | 1 | 1 | |
| Injuries reported | 11 | 6 | 8 | 6 | 2 | |
| Deaths reported | 0 | 0 | 0 | 0 | 0 | |
| Configurations compared | 4 | 4 | 4 | 4 | 6 |
Not compared: this database has no vehicle sales or registration figures, so a raw count mostly reflects how many were sold, not how safe the vehicle is.
Common questions
How many recalls does the 2004 Kia Optima have?
1 NHTSA recall campaign as of Sep 16, 2026. Check your VIN with NHTSA to see whether one applies to your car.
What is the most common complaint about the 2004 Kia Optima?
Body, Seats & Latches: 116 of 225 NHTSA complaints (52%) mention it.
What gas mileage does the 2004 Kia Optima get?
EPA rates it 21–23 MPG combined across 4 configurations.
How much does it cost to fuel a 2004 Kia Optima?
EPA estimates $2,700–$2,950 a year in fuel costs, using EPA's assumptions.
Similar Vehicles
EPA-Rated Configurations (4)
| Configuration | Transmission | Cylinders | Displacement | Drivetrain | Fuel Type | Vehicle Class | City | Highway | Combined | Annual Fuel Cost | CO₂ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Configuration 1 | Automatic 4-spd | 4 | 2.4L | Front-Wheel Drive | Regular | Midsize Cars | 19 mpg | 27 mpg (high) | 22 mpg | $2,850 | 404 g/mi |
| Configuration 2 | Manual 5-spd | 4 | 2.4L | Front-Wheel Drive | Regular | Midsize Cars | 20 mpg (high) | 27 mpg (high) | 23 mpg (high) | $2,700 (low) | 386 g/mi (low) |
| Configuration 3 | Automatic 4-spd | 6 | 2.7L | Front-Wheel Drive | Regular | Midsize Cars | 18 mpg (low) | 25 mpg (low) | 21 mpg (low) | $2,950 (high) | 423 g/mi (high) |
| Configuration 4 | Manual 5-spd | 6 | 2.7L | Front-Wheel Drive | Regular | Midsize Cars | 18 mpg (low) | 26 mpg | 21 mpg (low) | $2,950 (high) | 423 g/mi (high) |
Complaints by Category
| Category | Complaints | Crash-Involved | Fire-Involved | Injuries | Deaths |
|---|---|---|---|---|---|
| Engine | 14 | 0 | 0 | 0 | 0 |
| Transmission & Drivetrain | 8 | 1 | 0 | 0 | 0 |
| Fuel System | 10 | 1 | 0 | 0 | 0 |
| Electrical | 45 | 2 | 3 | 0 | 0 |
| Brakes | 9 | 1 | 0 | 1 | 0 |
| Steering | 7 | 1 | 0 | 1 | 0 |
| Suspension, Wheels & Tires | 21 | 2 | 0 | 2 | 0 |
| Airbags & Restraints | 30 | 3 | 0 | 5 | 0 |
| Driver Assistance & Speed Control | 6 | 1 | 0 | 0 | 0 |
| Body, Seats & Latches | 116 | 1 | 0 | 1 | 0 |
| Visibility & Lighting | 6 | 0 | 0 | 0 | 0 |
| Other | 17 | 1 | 1 | 0 | 0 |
A complaint that names more than one category is counted in each, so the rows can add up to more than the total number of complaints.
Recalls (1)
SUSPENSION:FRONT · Campaign 09V183000 · May 27, 2009
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 ARM CAN LEAD TO WHEEL MISALIGNMENT AND/OR OTHER NOTICEABLE STRESS IN STEERING, OR ACCELERATED ABNORMAL TIRE WEAR.
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.