Is the 2018 Kia Optima Hybrid reliable?

There isn't enough NHTSA complaint data on file yet to give this model year a verdict.

What are the most common problems with the 2018 Kia Optima Hybrid?

The most-reported component is engine, accounting for 100% of complaints on file.

How many recalls does the 2018 Kia Optima Hybrid have?

2 recalls on file for this model year.

2018 Kia Optima Hybrid

○ Not enough data

2018 Kia Optima Hybrid
RENDERED 2026-11-01T12:51:40.934Z

Only 3 complaints on file — too few for a fair verdict.

This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.

Only 3 complaints on file — too few for a fair verdict. The data below is complete but unranked.

How is this computed?

Complaints: 3
Recalls: 2
Investigations: 3
Top problem: —

Complaints per year

2018: 3 complaints

View as data table

Year	Complaints
2011	34
2012	108
2013	55
2014	31
2015	12
2016	4
2017	26
2018	3
2019	0
2020	1

Known problem areas

Only 3 complaints on file for this model year — too few to rank by share. Raw counts only, below.

Engine

3 of 3 total reports mention: engine.

Show complaint excerpts

I brought the vehicle into Kia service for the recall including a computer operating system upgrade. After the recall work was done the car driving at high highway speeds failed, and immediately slowed down, almost causing a rear collision.

NHTSA ODI report, 2022-09-28

Also filed under Fuel/propulsion system and electrical system

Power train

1 of 3 total reports mentions: power train.

Fuel/propulsion system

1 of 3 total reports mentions: fuel/propulsion system.

Electrical system

1 of 3 total reports mentions: electrical system.

Safety timeline

2 recalls · 3 investigations · oldest first

To check one car, enter its VIN on the NHTSA recall page. Check a VIN →

R

2021-11-29Engine21V844000 Kia Motors America (Kia) is recalling certain 2017-2018 Optima Hybrid and Optima Plug-In Hybrid vehicles. The connecting rod bearings inside the engine may wear prematurely, which can result in engine damage.

Remedy: Dealers will inspect the engine. If bearing damage is found, the engine will be replaced. Dealers will also install a software update containing a Knock Sensor Detection System (KSDS). Repairs will be performed free of charge.

Check if this car was fixed →
I
2021-12-22Engineering analysisClosed 2024-02-05 Engine Fires
I
2022-09-12Defect petitionClosed 2023-12-12 Loss of Motive Power
I
2023-01-27Defect petitionClosed 2023-08-07 Pedestrian alert sounds
R

2023-10-19Latches/locks/linkages23V594000 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.

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.

Check if this car was fixed →

Buy-smart checklist

2018 Kia Optima Hybrid — pre-purchase inspection

Inspect

Engine: 3 reports on file for this year.
Power train: 1 report on file for this year.
Fuel/propulsion system: 1 report on file for this year.

Verify these recalls were completed

Recall 21V844000 · Engine
Recall 23V594000 · Latches/locks/linkages

FAQ

Is the 2018 Kia Optima Hybrid reliable?: There isn't enough NHTSA complaint data on file yet to give this model year a verdict.
What are the most common problems with the 2018 Kia Optima Hybrid?: The most-reported component is engine, accounting for 100% of complaints on file.
How many recalls does the 2018 Kia Optima Hybrid have?: 2 recalls on file for this model year.

Data updated 2026-10-31 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.