2018 Hyundai Kona problems: engine and transmission complaints and recalls
VERY HIGH COMPLAINT SIGNAL
64%
45 of 70 relevant owner complaints are about the engine, transmission or fuel system
64% of relevant owner complaints filed with NHTSA on the 2018 Hyundai Kona are about the engine, transmission or fuel system. Well over half of everything owners reported is the drivetrain. That is a severe model-level pattern; every model year we track at this level has a documented failure behind it.
Worse than 86% of the 1,789 model years we track (2010–2023).
Excludes 5 airbag, lighting and seat-belt recall complaints that would otherwise mask the signal (unadjusted: 60%).
Owner complaints say yes, heavily, as a model-year pattern. 45 of 70 relevant complaints filed with NHTSA about the 2018 Hyundai Kona concern the engine, transmission or fuel system (64%), and the largest group is filed under engine (42). For comparison, the 2019 scores 83%. On a test drive, check for stalling, loss of power, rough idle, oil consumption or a check-engine light. This describes the model year, not any one car: a well-maintained or already-repaired example can be fine, and a clean model year can still have a bad car in it.
The percentage is each model year's drivetrain complaint share. No elevated signal describes the model year, not any one car; a well-kept example of a flagged model can still be the right buy, and any of these still needs an inspection.
My vehicle suffered an electrical fire that wasn't covered under warranty just 2 months after I purchased it. It was inspected by the manufacturer, repair facility(licensed dealer) and insurance however I was denied the inspection report. A Hyundai warranty information sheet states my vehicle had 1 unrepaired service c…
ENGINE07/29/2025FIRE1 INJURED
On May 5, 2025, my 2018 Hyundai Kona burst into flames in my garage and completely destroyed my Kona, Dodge Ram 1500 parked adjacent to it and my home along with its contents. Both vehicles and my home were deemed “a total loss” by the insurance company. The Kona engine compartment burst into flames after a short trip…
I was sold a car with 1 unprepared safety recall and 22 technical service bulletins. In addition to was previously salvaged sue to collision, hail, flood and fire. The vehicle also was a 2019 made into a 2018. When the ecm was reprogrammed the new vin was wiped clean and altered. [XXX] INFORMATION REDACTED PURSUANT T…
Three of 45 drivetrain complaints. The full report shows more, with quotes about the engine in the car you are looking at first.
Before you buy a 2018 Hyundai Kona
Ask the seller whether the engine has ever been repaired or replaced, and whether the car has shown stalling, loss of power, rough idle, oil consumption or a check-engine light.
Drive it from a cold start and long enough to warm up. Many engine faults hide once the car is warm.
Get an independent pre-purchase inspection from a mechanic you choose, and tell them to focus on the engine.
Ask for service records. A engine already replaced under warranty is a different car from one that was not.
Questions people ask about the 2018 Hyundai Kona
Does the 2018 Hyundai Kona have engine problems?
Owner complaints say yes, heavily, as a model-year pattern. 45 of 70 relevant complaints filed with NHTSA about the 2018 Hyundai Kona concern the engine, transmission or fuel system (64%). Before buying one, have an independent mechanic check the engine and ask the seller whether it has been repaired or replaced.
Are there engine or transmission recalls on the 2018 Hyundai Kona?
NHTSA lists no recall campaigns on the 2018 Hyundai Kona.
Which Hyundai Kona years are better?
Among the Hyundai Kona years we track, the 2023 (32%) and the 2022 (48%) have a lower engine and transmission complaint share than the 2018 (64%). Manufacturers fix things mid-generation, so the year before or after can be a different car.
Should I buy a 2018 Hyundai Kona?
That depends on the car in front of you, not just the model year. The 2018 Hyundai Kona has an elevated engine complaint pattern, so treat it as a car that needs proof: service records showing engine work, a cold-start test drive, and an independent pre-purchase inspection focused on the engine. A well-kept or already-repaired example can be a fine car; an unknown one is a gamble.
Have the VIN?Paste it and get the full report for that car. First report free, then a 30-day pass covers a whole car search.
Experimental model-level information. This is not a vehicle inspection, vehicle-history
report, financial advice or purchase recommendation. It describes patterns across a model year, not the condition
of any individual vehicle.