2018 Kia optima Premium
KNAGT4LE1J5023213
Vehicle history report for the 2018 Kia optima Premium (VIN KNAGT4LE1J5023213). Sedan/saloon, 2.0L 4-cyl 154 hp, gasoline. Title: Clean. 116,994 mi reported. Registered in Ca. 2 open safety recalls. Unlock full title, salvage, lien & accident history.
At a glance
Vehicle identity & specifications
What's a 2018 Kia optima worth?
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What a full report checks for VIN KNAGT4LE1J5023213
A full report searches national title databases (NMVTIS) and licensed history providers for this VIN and shows whatever records are on file — not every vehicle has every record type. The decode, safety recalls and owner complaints above are always free.
Safety recalls 2
HYBRID PROPULSION SYSTEM
Kia Motors America (Kia) is recalling certain 2017-2018 Kia Optima hybrid vehicles. These vehicles are equipped with a Voltage Protection Device (VPD), designed to protect the high voltage battery module, that may activate inadvertently.
Remedy: Kia will notify owners, and dealers will remove the VPD switch and install two newly designed Battery Management Systems (BMS) that contain Overvoltage Protection Devices (OPDs), free of charge. The recall is expected to begin May 2018. Owners may contact Kia customer service at 1-800-333-4542. K
NHTSA Campaign #18V161000 · 08/03/2018LATCHES/LOCKS/LINKAGES:TRUNK LID:LATCH
Kia America, Inc. (Kia) is recalling certain 2016-2017 Rio, 2016-2018 Optima, 2017-2018 Optima Hybrid and Optima Plug-in Hybrid vehicles. The trunk latch base may crack, preventing the opening of the trunk from the inside. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 401, "Internal Trunk Release."
Remedy: Dealers will replace the trunk latch base subassembly, free of charge. Owner notification letters were mailed October 19, 2023. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC278.
NHTSA Campaign #23V594000 · 24/08/2023We'll email you the moment a new safety recall is issued — no spam, unsubscribe any time.
Common problems & what to inspect
Based on 230 owner complaints filed with NHTSA for the 2018 Kia optima, here are the most-reported problem areas — and exactly what to check before you buy.
💥 1 involved a crash 🚑 1 reported injury
🔍 Listen for knocks or ticking, check for leaks and blue/white exhaust smoke, and make sure it doesn't overheat. No check-engine light should be on.
🔍 Check coolant level and color, look for leaks, and confirm the engine reaches normal temperature without overheating.
🔍 Brakes should feel firm and quiet — no grinding, pulsing or pulling. Check for an ABS light and uneven pad/rotor wear.
🔍 Test every electrical feature: windows, locks, infotainment, charging and all lights. Watch for flickering, dead accessories or warning lights.
🔍 Inspect for rust, fresh undercoating, mismatched paint, uneven panel gaps and any sign of prior collision or frame repair.
🔍 Confirm the airbag light turns on then off at startup — if it stays lit there's a fault (costly, and a safety risk). Check for signs of prior deployment.
Pre-purchase checklist
- Match the VIN on the dash, door jamb and title — they must be identical.
- Cold-start the engine; listen for knocks and check for blue or white exhaust smoke.
- Test-drive through all gears at low and highway speed — no slipping, shudder or pulling.
- Confirm every warning light clears at startup (none should stay on).
- Check fluids — oil, coolant, transmission — for level, color and leaks.
- Look underneath for rust, fresh undercoating or signs of collision repair.
- Always get an independent pre-purchase inspection from a trusted mechanic.
Owner complaints 230
Complaints filed with NHTSA by owners of the 2018 Kia optima.
ENGINE AND ENGINE COOLING
See attached document for complaint.
NHTSA ODI #11752131AIR BAGS,SEAT BELTS
I was run off the road by a drunk driver I hit a tree at 35MPH MY AIR BAGS DID NOT DEPLOY NOR DID MY SEAT BELT LOCK!!!! I NOW HAVE MULTIPLE INJURIES I HAVE BROKEN BONES ALL THROUGHOUT MY FACE!!!!! A SEVERE CONCUSSION!!!!! Any time I call the the customer care center and try and get information or call someone I either get hung up or gave the run around and t…
Crash · 1 injured · NHTSA ODI #11751435ENGINE
I’ve had my 2018 kia optima for round about two years.I only got this car because they refused to replace my previous engine on my 2015 Kia optima,even though I had a warranty but that’s another story(Kia on the Blvd).This car have given me problems from the start.Going through oil in less than a month,which they can never find a leak,not being able to go ov…
NHTSA ODI #11749282SERVICE BRAKES
Purchased vehicle from a used car dealership. Had it a few months before brake pedal started losing pressure and going to floor. Had master cylinder replaced. A few months later, brake light started coming on when accelerating. New master cylinder had leaked into brake booster. Had master cylinder replaced along with brake booster. A few weeks later and brak…
NHTSA ODI #11748040ENGINE
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 engine could stall out due to the fast burning of the oil, or a potential fire ha…
NHTSA ODI #11746528ENGINE AND ENGINE COOLING
The contact owns a 2018 Kia Optima. The contact stated that while driving at an undisclosed speed, there was an abnormal odor and a knocking sound coming from the engine. The vehicle was taken to the dealer; however, the dealer was unable to duplicate the issue. The vehicle was not repaired. The issue persisted. The contact stated that the vehicle was later …
NHTSA ODI #11745997UNKNOWN OR OTHER
2018 Kia Optima Dealer Ed Voyles Kia Smyrna began Recall SC340. Vehicle drove in running. Dealer flashed ECM software, discovered non-original engine/ECU. Vehicle now won’t start. Dealer document states 'will not start after recall.' Dealer refuses to restore to running condition citing prior repairs. This violates 49 USC 30120
NHTSA ODI #11743257ENGINE AND ENGINE COOLING,LATCHES/LOCKS/LINKAGES
The contact owns a 2018 Kia Optima. The contact stated that while attempting to accelerate from a standing start the vehicle had experience sever jerking and hesitation. Also, the vehicle has experience oil consumption problems and the contact constantly added engine oil. The cause of the failures were not determine. Also, the hood latch had malfunctioned a…
NHTSA ODI #11736008+ 222 more complaints on record.
