Most common 2018 Kia Soul problems
Share of the 219 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Kia Soul complaints by model year
Best Soul years: 2010, 2011, 2025. Years to avoid: 2015, 2014, 2016, 2020, 2021. Compare all years →
2018 Kia Soul recalls (1)
Air bags
Kia Motors America (Kia) is recalling certain 2017-2019 Sedona, Soul, Soul EV, 2017-2018 Forte, and 2017 Forte Koup vehicles. The Air Bag Control Unit (ACU) cover may contact a memory chip on the printed circuit board and damage the electrical circuit.
Remedy: Dealers will inspect the ACU, and either update the software or replace the unit, as necessary. Repairs will be performed free of charge. Owner notification letters were mailed March 21, 2022.
What 2018 Kia Soul owners say
Engine & cooling all 147 →
The contact's daughter owned a 2018 Kia Soul. The contact stated while her daughter was driving approximately 65 MPH, another driver honked the horn to inform the driver of an issue with the vehicle. The contact was informed to pull over. The contact stated that the vehicle started jerking and the driver started seeing smoke coming from the engine compartment. The contact stated that her daughter's hair was singed by the fire. Several unknown warning lights were illuminated once the driver saw smoke coming from the vehicle. The driver pulled over off the highway and exited the vehicle and saw smoke coming from under the vehicle before the vehicle became engulfed in flames. The contact stated that the vehicle had previously been serviced and there were no issues found with the vehicle. The fire was extinguished by the Fire Department. …
The contact owned a 2018 Kia Soul. The contact stated that while driving at an undisclosed speed, a loud pop and smoke emanated from the engine compartment, prompting her to pull to the shoulder of the roadway. After a visual inspection, the contact observed flame jutting up from the engine. The contact was able to extinguish the fire herself using a gallon of water she had on hand. No warning lights were illuminated. A fire report was filed. A police report was not filed, and no injuries were reported. The vehicle was towed to an independent mechanic, who diagnosed a nondescript failure with the engine. The vehicle was not repaired. After investigating the failure, the contact related the failure to an NHTSA Campaign but was unaware of the NHTSA Campaign Number. The manufacturer was notified of the failure but provided no assistance. The failure mileage was 125,000.
Transmission & drivetrain all 31 →
The contact owns a 2018 Kia Soul. The contact stated that while driving at 45 MPH, the vehicle stalled and jerked while accelerating and experienced severe jerking while decelerating. The failure had occurred on several occasions. On June 18, 2024, the vehicle failed to accelerate or shift properly. On January 15, 2025, the vehicle shuddered violently and nearly stalled. On April 14, 2026, the vehicle was jerking, and the transmission shifted gears improperly. The vehicle was taken to a dealer, and observed that the vehicle was consuming oil excessively. The dealer replaced the spark plugs and performed an induction cleaning and transmission valve service. The dealer was unable to duplicate the failure after a 36-mile test drive, after the service. …
The contact owns a 2018 Kia Soul. The contact stated while driving at various speeds, the vehicle failed to maintain oil pressure, causing engine failure. The contact stated that the vehicle failed to maintain power and would stall after being started. No warning lights were illuminated. The vehicle was towed to the local dealer where it was diagnosed that the transmission needed to be replaced. The contact was made aware of NHTSA Campaign Number: 22V051000 (Service Brakes, Hydraulic) however, the VIN nor the model vehicle was included. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 66,000.
Electrical system
The contact's daughter owned a 2018 Kia Soul. The contact stated while her daughter was driving approximately 65 MPH, another driver honked the horn to inform the driver of an issue with the vehicle. The contact was informed to pull over. The contact stated that the vehicle started jerking and the driver started seeing smoke coming from the engine compartment. The contact stated that her daughter's hair was singed by the fire. Several unknown warning lights were illuminated once the driver saw smoke coming from the vehicle. The driver pulled over off the highway and exited the vehicle and saw smoke coming from under the vehicle before the vehicle became engulfed in flames. The contact stated that the vehicle had previously been serviced and there were no issues found with the vehicle. The fire was extinguished by the Fire Department. …
Car stalled in the middle of the road while driving. Took it in to dealer ship for a recall to get this repaired or flashed. Engine burning excessive oil. Car has always been kept up with maintenance. While operating the vehicle the car stalled due to low oil compression. Vehicle has aprox 155k miles. Check engine light has came on. Due to the issue that car engine is burning oil there is a new permanent code p0420 which is a bad catalyc converter since the cars emission system is failing. Car has been sitting at home for about 1 month or longer as we don't drive it and are still financing the vehicle
2018 Kia Soul engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined | Range |
|---|---|---|---|---|
| Electric | Single-speed | FWD | 124 / 93 / 108 MPGe | 111 mi |
| 1.6L 4-cyl turbo | 7-speed dual-clutch | FWD | 26 / 31 / 28 | — |
| 2.0L 4-cyl | 6-speed automatic | FWD | 25 / 30 / 27 | — |
| 1.6L 4-cyl | 6-speed automatic | FWD | 25 / 30 / 27 | — |
| 1.6L 4-cyl | 6-speed manual | FWD | 24 / 30 / 27 | — |
EPA ratings. Class: Wagon.
Frequently asked questions
Is the 2018 Kia Soul a good car?
Based on 219 owner complaints filed with NHTSA, the 2018 Soul rates average: 31% fewer complaints than a typical year of the Soul at the same age. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2018 Kia Soul?
The engine & cooling — 147 complaints, 67% of all complaints for this model year, most often about engine › engine control module (ecu/ecm). Next are the transmission & drivetrain (31) and electrical system (19).
How many recalls does the 2018 Kia Soul have?
There is 1 recall for the 2018 Kia Soul, the most recent from January 25, 2022 (air bags). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
What are the best and worst years of the Kia Soul?
The best years by complaints, compared at the same age, are 2010, 2011 and 2025. Years to avoid or approach with caution: 2015, 2014, 2016, 2020 and 2021. See the full Kia Soul years comparison.
At what mileage do 2018 Kia Soul problems happen?
The median mileage reported in complaints is about 54,000 miles; 47% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.