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2018 Kia Optima: Recalls, Complaints & Safety Ratings

2Safety recalls
232Owner complaints
5★NHTSA overall
Quick answer

The 2018 Kia Optima has 2 NHTSA safety recall campaigns and 232 owner complaints on file, with an overall 5-star NHTSA crash-test rating. Check a specific VIN to confirm whether recalls apply, whether repairs were completed, and what to verify before you buy.

2018 Kia Optima safety record graphic showing 2 recalls, 232 owner complaints and 5-star overall NHTSA rating.
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2018 Kia Optima pages show model-level safety data. A Carchieve VIN report checks the exact car before you buy.

Safety record reviewed October 2026 · sourced from NHTSA

The 2018 Kia Optima has 2 safety recall campaigns and 232 owner complaints on file with the National Highway Traffic Safety Administration, and it earned an overall 5-star NHTSA crash-test rating. Below is the public model-level safety record. To see whether a specific Optima had applicable recalls repaired and what its decoded VIN says, run that car's VIN.

Safety recalls

1

HYBRID PROPULSION SYSTEM

Campaign 18V161000 · 08/03/2018

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.

RiskIf the VPD activates while the vehicle is being operated in Electric Vehicle (EV) mode, there may be a loss of power, increasing the risk of a crash.
RemedyKia 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's number for this recall is SC162.
2

LATCHES/LOCKS/LINKAGES:TRUNK LID:LATCH

Campaign 23V594000 · 24/08/2023

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."

RiskA person inside the trunk compartment may become trapped, increasing their risk of injury.
RemedyDealers 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.

What owners complain about

The systems 2018 Kia Optima owners report most often to federal regulators:

Engine131
Unknown Or Other37
Electrical System33
Power Train18
Service Brakes17
Engine And Engine Cooling14

NHTSA crash-test ratings

Frontal crash★★★★★
Side crash★★★★★
Rollover★★★★★
Overall★★★★★

Frequently asked questions

Does the 2018 Kia Optima have any recalls?

Yes. The 2018 Kia Optima has 2 NHTSA recall campaigns associated with this model year. Recall repairs are free at a franchised dealer when the exact VIN is affected. Check your specific VIN to confirm applicability and completion.

What problems do 2018 Kia Optima owners report?

Owners have filed 232 complaints with the NHTSA for the 2018 Kia Optima, most often about the engine, unknown or other, electrical system.

How do I check a specific Optima's history?

Enter the 17-character VIN into Carchieve. You get the recalls, owner complaints and crash ratings shown here for that exact vehicle, plus full decoded specifications and a guided title and odometer check.

Check a specific 2018 Kia Optima

This page covers the model. For one exact car, run its 17-character VIN to confirm recalls, decoded specifications and buyer checks.

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