Specs

Research 2003 Kia Optima specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs.

LX 4dr Sedan LX Manual

Brakes

Disc - Rear (Yes or ) Yes
Front Brake Rotor Diam x Thickness (in) 11.0 x - TBD -
Brake ABS System 4-Wheel
Rear Brake Rotor Diam x Thickness (in) 10.3 x - TBD -
Brake ABS System
Disc - Front (Yes or ) Yes
Brake Type Pwr
Drum - Rear (Yes or )
Rear Drum Diam x Width (in)

Cargo Area Dimensions

Trunk Volume (ft³) 13.6

Cooling System

Total Cooling System Capacity (qts) 7.7

Electrical

Maximum Alternator Capacity (amps) 110
Cold Cranking Amps @ 0° F (Primary) 600

Engine

SAE Net Horsepower @ RPM 138 @ 5500
Engine Order Code
Engine Type Gas I4
Displacement 2.4L/144
Fuel System MPFI
SAE Net Torque @ RPM 147 @ 3000

Exterior Dimensions

Liftover Height (in) - TBD -
Min Ground Clearance (in) 6.1
Track Width, Rear (in) 59.8
Track Width, Front (in) 60.6
Height, Overall (in) 55.5
Width, Max w/o mirrors (in) 71.5
Length, Overall (in) 185.8
Wheelbase (in) 106.3

Fuel Tank

Fuel Tank Capacity, Approx (gal) 17.2

Interior Dimensions

Front Leg Room (in) 43.3
Front Head Room (in) 39.0
Front Hip Room (in) 55.8
Second Head Room (in) 37.6
Second Leg Room (in) 36.2
Second Shoulder Room (in) 55.7
Second Hip Room (in) 54.4
Front Shoulder Room (in) 56.9
Passenger Volume (ft³) 86.4
Passenger Capacity 5

Mileage

EPA Fuel Economy Est - City (MPG) 23
EPA Fuel Economy Est - Hwy (MPG) 30

Steering

Steering Ratio (:1), Overall - TBD -
Steering Type Pwr Rack & Pinion
Turning Diameter - Wall to Wall (ft) - TBD -
Turning Diameter - Curb to Curb (ft) 34.1
Lock to Lock Turns (Steering) 2.76

Summary

Vehicle Name Kia Optima
Body Style 4dr Sedan
Vehicle Name Kia Optima

Suspension

Suspension Type - Front Independent
Suspension Type - Rear (Cont.) Multi-Link
Suspension Type - Front (Cont.) Double Wishbone
Suspension Type - Rear Independent
Shock Absorber Diameter - Rear (mm) - TBD -
Stabilizer Bar Diameter - Front (in) - TBD -
Stabilizer Bar Diameter - Rear (in) - TBD -
Shock Absorber Diameter - Front (mm) - TBD -

Tires

Front Tire Order Code
Rear Tire Order Code
Spare Tire Order Code
Front Tire Size P205/60HR15
Rear Tire Size P205/60HR15
Spare Tire Size

Trailering

Wt Distributing Hitch - Max Tongue Wt. (lbs)
Dead Weight Hitch - Max Trailer Wt. (lbs) - TBD -
Dead Weight Hitch - Max Tongue Wt. (lbs) - TBD -
Wt Distributing Hitch - Max Trailer Wt. (lbs)

Transmission

Seventh Gear Ratio (:1)
Third Gear Ratio (:1) 1.30
Second Gear Ratio (:1) 1.95
First Gear Ratio (:1) 3.46
Trans Description Cont. Again
Trans Description Cont. Manual w/OD
Trans Type 5
Trans Order Code
Drivetrain Front Wheel Drive
Final Drive Axle Ratio (:1) 3.88
Clutch Size (in)
Reverse Ratio (:1) 3.46
Sixth Gear Ratio (:1)
Fifth Gear Ratio (:1) 0.78
Fourth Gear Ratio (:1) 0.94

Vehicle

EPA Classification Compact

Weight Information

Base Curb Weight (lbs) 3281

Wheels

Front Wheel Material Steel
Rear Wheel Material Steel
Spare Wheel Material
Front Wheel Size (in) 15 x 6.0
Rear Wheel Size (in) 15 x 6.0
Spare Wheel Size (in)