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2018 Kia Optima Hybrid
Limited data: few reports on file, read the verdict loosely
Too few owner complaints are on file to affirm this car. Treat it as unproven, not endorsed, and lean hard on a professional pre-purchase inspection.
3 owner complaints · 2 recalls · data verified July 19, 2026 · source: NHTSA
What the record shows so far
Only 3 owner complaints on file for this exact model year, too few to judge long-term reliability. Treat this as unproven, not endorsed, and lean on a professional inspection.
Score breakdown, by factor
Full methodology →How it crashes
NHTSA’s own crash tests, separate from the reliability score above.
5/5 overall
NHTSA 5-Star Safety Rating · 2018 Kia Optima Hybrid 4 DR FWD
Rollover risk in a single-vehicle crash: 10%
3 open NHTSA defect investigations on file, separate from the recalls above.
Source: nhtsa.gov/ratings. Star ratings compare vehicles within the same class and size, not across every car on the road.
The road ahead
What breaks on a 2018 Kia Optima Hybrid, plotted where owners report it happening.
Engine
100%3 complaints
“The contact owns a 2018 Kia Optima Hybrid. The contact stated that while operating the vehicle, the message "Turn Engine Off Immediately" was displayed, and the vehicl…”
Transmission & drivetrain
33%1 complaints
“While driving down the road the car said it had a major voltage failure and was shutting down. I was in the middle of the street and thankfully was able to coast to th…”
Electrical system
33%1 complaints
“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 spe…”
Fuel system
33%1 complaints
“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 spe…”
Check it against this car’s mileage
Type the odometer reading on the actual car you’re looking at to see which of these problem areas owners tend to report before it, around it, or after it.
Too few owners named a mileage on this model to place issues against an odometer yet.
Recalls (2)
Safety recall repairs are free at the brand’s franchised dealers. Before buying, run the VIN at nhtsa.gov/recalls and make the seller show the work was done.
Latches/locks/linkages · 23V594000
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."
Risk: A person inside the trunk compartment may become trapped, increasing their risk of injury.
Fix: 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.
Engine · 21V844000
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.
Risk: A damaged engine can increase the risk of a fire or it can cause an engine stall, increasing the risk of a crash.
Fix: 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. Owner notification letters were mailed November 29, 2021. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC218.
Questions to ask the seller
Questions worth asking the seller of this Kia before you buy, drawn from its public record:
- NHTSA lists 2 recall campaigns for the 2018 Kia Optima Hybrid. Can you run this car's VIN at nhtsa.gov/recalls and confirm each one shows "Remedy Completed"?
- Has this car been in any accident or had any structural, airbag, or flood-related repair? Do you have a clean title and a recent history report (Carfax / AutoCheck)?
- How many owners has it had, do you have the maintenance records, and why are you selling it?
- Are you open to me having an independent mechanic inspect it before we settle on a price?
Before you hand over money
Check the VIN for open recalls
NHTSA’s free lookup shows whether this exact car had its recall remedies completed.
Free NHTSA VIN check ↗Get a pre-purchase inspection
A $150 to $250 independent inspection of this exact 2018 Kia OPTIMA HYBRID beats every score on the internet, including ours.
What to ask forNot set on the 2018? See how every Optima Hybrid model year scores →
Cross-shopping? Compare the 2018 Kia Optima Hybrid against another car →
What owners say
Real owners of this exact model-year, shown separately from the NHTSA score. If they disagree, that’s worth knowing.