2003 Kia Optima Kia Optima 2003

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2003 Kia Optima repairs by problem area

Engine (55%)

Transmission and Drivetrain (9%)

Brakes and Traction Control (9%)

Suspension and Steering (18%)

Electrical and Air Conditioning (9%)

Paint, Rust, Leaks, Rattles, and Trim (0%)

Other (0%)

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Chart based on 11 repairs.
See TSBs and recalls for the 2003 Kia Optima.

2003 Kia Optima repair cost distribution

$2500+ (0%)

$1000 - $2499 (11%)

$500 - $999 (0%)

$100 - $499 (33%)

< $100 (56%)

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Chart based on 9 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2003 Kia Optima 4dr Sedan

170-horsepower 2.7L V6 4-speed shiftable automatic FWD

Kia Optima in North Carolina, United States
Jul 2014 - Oct 2020
Aug 2014

183000 mi

US $24
Replaced low beam headlights 
Jan 2015

US $60
Replaced drivers side axle Replaced all struts 
Oct 2016

197000 mi

US $100
Replaced upper control arms. 

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2003 Kia Optima 4dr Sedan

138-horsepower 2.4L I4 4-speed shiftable automatic FWD

Kia Optima in Missouri, United States
Oct 2013 - Nov 2013
Nov 2013

150000 mi

US $300
Car would only start when the engine was cold, after it warmed up car would die and not start again until it cooled off and then still sometimes it still would not start. Shop said Crankshaft Position sensor was bad, so we replaced the CPS. 
Kia Optima in Missouri, United States
Mar 2011 - Jun 2018
Jan 2012

139000 mi

US $39
Engine vibration - replaced forward R/H engine mount. 
Aug 2015

183400 mi

US $300
Left rear brake caliper froze. Replaced caliper and pads, replaced brake rotor. 
Apr 2016

191000 mi

US $85
Running rough, trouble code P-0303. Replaced spark plugs, ignition coils, and plug wires. 
Aug 2016

194000 mi

US $1050
Code P0320. Replaced ignition fail sensor, replaced cam sensor, replaced crank sensor, replaced ECM. Crack in radiator tank. Replaced timing belt and water pump. Small belt for vibration damper had failed. 

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2003 Kia Optima Repair Histories

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2003 Kia Optima problems occur, check out our car reliability stats.