2018 Kia Optima
5XXGT4L33KG329845
Vehicle history report for the 2018 Kia Optima (VIN 5XXGT4L33KG329845). Gray, sedan, gasoline. Registered in Khmelnytskyi. 2 NHTSA recall campaigns for this model year. Unlock full title, salvage, lien & accident history.
Full vehicle history report
What a full report checks for VIN 5XXGT4L33KG329845
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.
History reports cover US-titled vehicles only. This car is registered in Ukraine, so title, salvage and odometer records from the US national title database (NMVTIS) don't apply to it. The registration record, specifications and recall data on this page are free.
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
U.S. EPA fuel-economy estimates for the 2018 Kia Optima.
Source: U.S. EPA / DOE fueleconomy.gov. The EPA lists 3 versions of this model year; combined is shown as a range and the other figures are averages. Actual mileage varies with trim and driving conditions.
Crash-test safety ratings
NHTSA 5-Star Safety Ratings for the 2018 Kia Optima.
Source: NHTSA New Car Assessment Program, tested as the 2018 Kia Optima 4 DR FWD. Ratings can differ by body style and drivetrain.
Estimated 5-year cost to own
A rough guide to what running a 2018 Kia Optima costs over five years and 75,000 miles.
How this is estimated: fuel is the U.S. EPA annual cost at 15,000 miles a year. Depreciation compares today's typical asking price for this model year ($18,792) with the same model 5 model-years older ($14,206), from CarLogs listing data. Not included: insurance, maintenance, repairs, taxes, registration and finance costs. Treat it as a comparison guide, not a quote.
Dimensions & weight
Manufacturer-reported figures for the 2018 Kia Optima — ranges cover the 4 body / drivetrain versions on record. Source: Transport Canada vehicle specifications via NHTSA.
Investigations & service bulletins
NHTSA defect investigations 2
Loss of Motive Power Closed
The National Highway Traffic Safety Administration (NHTSA) received a letter dated July 13, 2022, petitioning the Agency to initiate a safety defect investigation into loss of motive power allegations attributed to oil drain pan assembly failures on certain Hyundai Motor America, Inc. and Kia America, Inc. vehicles spanning Model Years (MY) 2005-2021. The Petitioners cited examples of complaints indicating that the s…
NHTSA #DP22003 · Engine · opened Sep 2022 · closed Dec 2023Electrical overstress Closed
The Office of Defects Investigation (ODI) opened this investigation to determine if the failure of airbags to deploy during severe crashes, in certain vehicles, was the result of a safety related defect. During the investigation a complex failure was studied that can result in non-deployment of subject vehicle air bags and other restraint system devices in severe crash events. The subject vehicles may be equipped wi…
NHTSA #EA19001 · Air Bags · opened Apr 2019 · closed Sep 2024An investigation means NHTSA is examining a possible defect — it is not a recall, and many close without one.
Manufacturer service bulletins 155
Technical notes the manufacturer sent to dealers about known issues and fixes. Useful to mention to a mechanic — they are not recalls and repairs may not be free. Showing the 10 most recent of 155.
TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: THEFT DETERRENT IGNITION CYLINDER PROTECTOR AND DECAL INSTALLATION (CS2312) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black ba…
Bulletin CS2312_TSB_R2 · Structure · Jun 2026VOLUNTARY EMISSIONS SERVICE CAMPAIGN: THETA II 2.4L GDI EMISSIONS: ECM LOGIC IMPROVEMENT (SC340 REVISION 5) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin are…
Bulletin SC340_TSB_R5 · Engine · Apr 2026VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER NOTIFICATION (SC340 FLIGHT 104 ) - This document is the owner notification advising that Kia is conducting a Voluntary Emissions Service Campaign to improve the emissions software logic in the Electronic Control Modu…
Bulletin SC340_OWNR_JF&JFA_104 · Electrical System, Engine · Mar 2026TECHNICAL SERVICE BULLETIN: VOLUNTARY EMISSIONS SERVICE CAMPAIGN: THETA II 2.4L GDI EMISSION SECM LOGIC IMPROVEMENT (SC340 REV 4) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black…
Bulletin SC340_TSB_R4 · Electrical System, Engine · Mar 2026TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: THEFT DETERRENT IGNITION CYLINDER PROTECTOR AND DECAL INSTALLATION (CS2312) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black ba…
Bulletin TSB_CS2312_R1 · Structure · Feb 2026VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER NOTIFICATION (SC340 FLIGHT 103 / JF) - This document is the owner notification advising that Kia is conducting a Voluntary Emissions Service Campaign to improve the emissions software logic in the Electronic Control…
Bulletin SC340_OWNR_JF103 · Engine · Dec 2025TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: THEFT DETERRENT IGNITION CYLINDER PROTECTOR AND DECAL INSTALLATION (CS2312) - This bulletin provides information to install a Theft Deterrent Ignition Cylinder Protector on certain 2010-2022MY Kia vehicles out…
Bulletin TSB_CS2312 · Structure · Dec 2025CUSTOMER SATISFACTION CAMPAIGN: OWNER NOTIFICATION (CS2312) - This document is the owner notification advising that Kia is conducting Customer Satisfaction Campaign. A software upgrade that addresses the social media theft method has been made available to own…
Bulletin CS2312_OWNR · Structure · Dec 2025TECHNICAL SERVICE BULLETIN: VOLUNTARY EMISSIONS SERVICE CAMPAIGN: THETA II 2.4L GDI EMISSIONS ECM LOGIC IMPROVEMENT (SC340) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar i…
Bulletin SC340_TSB_R3 · Engine · Dec 2025PITSTOP: TECHNICAL OPERATIONS: EXTERNAL DAMAGE TO ULTRASONIC SENSOR: This Pitstop provides information related to Parking Distance Warning (PDW) alerts and repairs involving ultrasonic sensors. The PDW system alerts the driver while parking, by calculating dis…
Bulletin PS797 · Back Over Prevention · Dec 2025Source: NHTSA Office of Defects Investigation, listed for the OPTIMA FWD. Model-year data, not specific to one car.
Canadian recalls 5
Transport Canada recall campaigns for the 2018 Kia Optima. Relevant if the car was first sold in, or imported from, Canada.
Structure
Issue: On certain vehicles, a part in the trunk release latch could fail. If this happens, the emergency trunk release located inside the trunk compartment may not work properly. This could prevent a person that is trapped inside the trunk from opening it. Safety Risk: If a person is closed inside the trunk compartment, they may not be able to get out. This could create a risk…
Transport Canada #2023476 · Aug 2023Engine
Issue: On certain vehicles equipped with a 2.0 L Nu GDI engine, the connecting rod bearings can become damaged. If this happens, the engine could make abnormal knocking noises and/or the oil pressure warning light may turn on. If you continue to drive the vehicle with these symptoms, the engine could fail and/or a fire could occur. An engine failure can cause a sudden loss of p…
Transport Canada #2021666 · Nov 2021Engine
Issue: Kia Canada is conducting a Product Improvement Campaign that provides an update to the engine control module to detect potential problems before an engine fails. An engine failure may cause a sudden loss of power with an inability to restart. Safety Risk: A sudden loss of engine power could increase the risk of a crash. Corrective Actions: The company will notify owners…
Transport Canada #2019143 · Mar 2019Fuel System
Issue: When the engine was replaced under warranty or under Kia's Product Improvement Campaign SC023, the high pressure fuel pipe may not have been properly installed on the fuel pump outlet. A fuel leak could occur if the pipe was damaged, misaligned or improperly torqued during the recall repair. Safety Risk: Leaking fuel in the presence of an ignition source could increase t…
Transport Canada #2019098 · Feb 2019Powertrain
On certain plug-in hybrid vehicles, the battery Voltage Protection Device (VPD) switch could inadvertently activate. If the VPD switch is activated, electricity to the vehicle's electric motor may be disconnected. If this occurs while the vehicle is driven under Electric Vehicle (EV) mode, the vehicle may experience a loss of motive power, which could increase the risk of a cra…
Transport Canada #2018132 · Mar 2018Source: Transport Canada Motor Vehicle Safety Recalls Database.
About the Kia Optima
The Kia K5, formerly known as the Kia Optima, is a mid-size car manufactured by Kia since 2000 and marketed globally through various nameplates. First generation cars were mostly marketed as the Optima, although the Kia Magentis name was used in Europe and Canada when sales began there in 2002. For the second-generation models, Kia used the Kia Lotze and Kia K5 name for the South Korean market, and the Magentis name globally, except in the United States, Canada, Malaysia and the Middle East, where the Optima name was retained until the 2021 model year. The K5 name is used for all markets since the introduction of the fifth generation in 2019.
From Wikipedia, licensed CC BY-SA 4.0. Describes the model line in general, not this model year specifically.
Safety recall campaigns 2
LATCHES/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 · manufacturer #SC278 · 24/08/2023HYBRID 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. Kia'
NHTSA Campaign #18V161000 · manufacturer #SC162 · 08/03/2018Note: recall data comes from the U.S. NHTSA and covers the US-market version of this model. A car registered in Ukraine may have different campaigns — check with the manufacturer's local importer.
These are NHTSA recall campaigns for this model year, last checked 7 Oct 2026. They don't show whether this particular car has had the repair done — check this VIN on NHTSA.gov or ask a franchised dealer. Recall repairs are free.
We'll email you the moment a new safety recall is issued — no spam, unsubscribe any time.
Common problems & what to inspect
Based on all 232 owner complaints filed with NHTSA for the 2018 Kia Optima, here are the most-reported problem areas — and what to check before you buy.
💥 10 involved a crash 🔥 10 involved a fire 🚑 9 reported injuries
🔍 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.
🔍 Test every electrical feature: windows, locks, infotainment, charging and all lights. Watch for flickering, dead accessories or warning lights.
🔍 Drive through every gear: watch for slipping, hard or delayed shifts, and shudder. Check for transmission/driveline leaks and noises.
🔍 Brakes should feel firm and quiet — no grinding, pulsing or pulling. Check for an ABS light and uneven pad/rotor wear.
🔍 Check coolant level and color, look for leaks, and confirm the engine reaches normal temperature without overheating.
🔍 Confirm all headlights, brake lights, turn signals and reverse lights work, with no moisture inside the housings.
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 232
Complaints filed with NHTSA by owners of the 2018 Kia Optima.
ENGINE
The contact owns a 2018 Kia Optima. The contact stated that upon starting the vehicle, the vehicle jerked abnormally. The failure persisted while driving, and the vehicle lost motive power. The contact was able to restart the vehicle; however, the failure persisted while driving. The vehicle was towed to a dealer to be repaired under an unknown recall for an…
NHTSA ODI #11762830ENGINE
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 #11745997+ 224 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 5XXGT4L33KG329845 valid?
5XXGT4L33KG329845 is a structurally valid 17-character VIN with a correct ISO 3779 check digit, assigned to a manufacturer in United States. It decodes to the 2018 Kia Optima.
Are there safety recalls on the 2018 Kia Optima?
NHTSA lists 2 recall campaigns for the 2018 Kia Optima model year. That covers the model year, not this individual car: to see whether a specific vehicle still needs a recall repair, check its VIN on NHTSA.gov or ask a franchised dealer. Recall repairs are free.
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 is the 2018 Kia Optima safety rating?
NHTSA gives the 2018 Kia Optima an overall crash-test rating of 5 out of 5 stars (frontal 5★, side 5★, rollover 5★).
What fuel economy does the 2018 Kia Optima get?
The 2018 Kia Optima has U.S. EPA estimates of 25–31 mpg combined, depending on engine and trim (3 versions).
Recall data checked 7 Oct 2026 · Sources: NHTSA (recalls & complaints), U.S. EPA (fuel economy), NHTSA vPIC (specifications). Vehicle data only — CarLogs never shows owner information.