Everything NHTSA's vPIC database knows about this exact vehicle:
Decoding from NHTSA…
Vehicle history — accidents, title & owners
The decode above is what this vehicle is. For what it's been through — accidents, title brands, odometer, theft/total-loss and previous owners — pull a full history report.
NHTSA publishes the first 11 characters of the VIN with every complaint — that identifies the plant, model year, body and engine. So these are reports from cars built exactly like this one, not an average across the whole model.
5XXGT4L34JG••••••2018 Kia OPTIMA
This build draws 2.9× more complaints than the average 2018 Kia OPTIMA build (14 vs 5).
14on this build
228on the model
48builds in total
Most reportedEngine 9Electrical System 3Service Brakes 2Power Train 2
What owners of this build wrote
EngineJun 2026
The car burns oil within a week of getting an oil change. It was only driven a 200 miles before all of the oil was burned out. This has been a consistent issue with this car that the oil burns at an extreme rate. This is a safety risk as it could lead to engine overheating, the…
Electrical SystemNov 2025
I turned the car off, it had difficulty turning back on and the brake pedal got really hard. I had to wait about 30-45 minutes and then I was able to get the car started and brake pedal back to normal and no lights. Recently, I left the car on to run into a shop real quick and…
Exterior LightingSep 2024
My grandson was driving home last night on our Clay County West Virginia narrow unlighted road when his 2018 Kia Optima Headlights went out completely. He wrote that he was scared but finally was able to get lights back on before running off the road. Also, several nights while…
Power TrainSep 2023
Car will NOT go pat 60mph and i haven’t had this car just over 6 months. And the camshaft sensors are gone out. Smoke comes out the pipe when mash on gas…. It is really a bad vehicle. And Southeast auto refuses to fix it. I really honestly think the motor is bad in it. Because I…
Engine And Engine CoolingJun 2023
The contact owns a 2018 Kia Optima. The contact stated while driving approximately 40 MPH, the vehicle was losing motive power. The contact stated that there were no warning lights illuminated. The contact stated that the vehicle stalled. The contact was able to stop; however,…
Read all 14 complaints on this exact buildFull text, search by keyword, and the systems that fail most on cars built like yours.Unlock with Pro →
Owner complaints…
Now the whole model — all 48 builds of it, not just this build. Same NHTSA reports, wider net:
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Exact value for this VIN, adjusted for mileage
The original window sticker and factory options
Full research report as a PDF you can hand to a mechanic
Decoded via NHTSA vPIC. Recalls, complaints and safety from NHTSA; MPG from EPA fueleconomy.gov. Full history reports from our partner. VIN 5XXGT4L34JG249890 · decoded Aug 2026. — ForCar Reviewed by Denis Kataev, founder of ForCar.