2018 Kia optima PHEV EX
KNAGV4LD6J5025007
Vehicle history report for the 2018 Kia optima (VIN KNAGV4LD6J5025007). Silver. Title: Clean. 44,181 mi reported. Registered in Ca. Unlock full title, salvage, lien & accident history.
At a glance
Vehicle identity & specifications
What's a 2018 Kia optima worth?
What comparable 2018 Kia optima vehicles are listed for — a quick gut-check before you negotiate.
Is the seller's price fair? Get this exact VIN's current market value — retail, trade-in & loan value — in the full report.
See this car's exact value →MPG & running costs
Official U.S. EPA fuel-economy estimates for the 2018 Kia optima.
Source: U.S. EPA / DOE fueleconomy.gov. EPA estimates for this year/make/model; actual mileage varies by trim and driving conditions.
Full vehicle history report
What a full report checks for VIN KNAGV4LD6J5025007
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 231 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.
🔍 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.
🔍 Check that every belt latches, retracts and locks under a sharp tug, and that none are frayed.
🔍 Brakes should feel firm and quiet — no grinding, pulsing or pulling. Check for an ABS light and uneven pad/rotor wear.
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 231
Complaints filed with NHTSA by owners of the 2018 Kia optima.
ENGINE
The contact owns a 2018 Kia Optima. The contact stated that while driving at an undisclosed speed, the vehicle failed to accelerate and failed to exceed 52 MPH. The vehicle shut off. The contact stated that the engine was running rough while stationary and the vehicle shut off without warning. The vehicle was taken to an Auto Parts Store, where it was diagno…
NHTSA ODI #11758363ENGINE 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 #11743257+ 223 more complaints on record.
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Frequently asked questions
Can I find out who owns this vehicle from the VIN?
No — and no legitimate service can. Linking a VIN or plate to a named owner is restricted by the U.S. Driver's Privacy Protection Act, the EU GDPR and equivalent laws. CarLogs shows the vehicle only — specs, recalls, problems and value — never the person.
Is the VIN KNAGV4LD6J5025007 valid?
KNAGV4LD6J5025007 is a structurally valid 17-character VIN with a correct ISO 3779 check digit, assigned to a manufacturer in South Korea. It decodes to the 2018 Kia optima.
Does the 2018 Kia optima have any open safety recalls?
Yes — 2 open NHTSA safety recalls are on record for the 2018 Kia optima. Recall repairs are carried out free by any franchised dealer; see the recall details above.
What is a fair price for a 2018 Kia optima?
Comparable 2018 Kia optima listings run roughly $14,488–$22,998, typically around $18,792 (from 40 comparable vehicles). The full report shows this exact VIN's valuation.
What fuel economy does the 2018 Kia optima get?
The U.S. EPA rates the 2018 Kia optima at about 28 mpg combined (25 city / 34 highway).
Data last checked 27 Aug 2026 · Sources: NHTSA (recalls & complaints), U.S. EPA (fuel economy), NHTSA vPIC (specifications). Vehicle data only — CarLogs never shows owner information.