Problems · by component
2018 Kia Soul engine problems
143 owner complaints to NHTSA about the 2018 Kia Soul cite engine, 64% of all 224 complaints for this model year.
Complaints
143
64% of all complaints
Crashes
1
Reported by owners
Fires
10
Reported by owners
Injuries
0
Reported by owners
What owners say about the engine
Verbatim from NHTSA complaints, newest first
“**Vehicle:** 2018 Kia Soul\ **Mileage:** Approximately 198,000 miles 1\. What component or system failed or malfunctioned, and is it available for inspection upon request?** The engine appears to have experienced a serious malfunction, and the vehicle is no longer moving. I believe the engine may have failed. The vehicle is available for inspection upon request. 2\. How was your safety or the safety of others put at risk?** There is no immediate safety risk at the moment because the vehicle is not being driven. However, an unexpected loss of engine power or the inability to move could create a dangerous situation if it occurred in traffic. 3\. Has the problem been reproduced or confirmed by a dealer or independent service center?** No. The vehicle has not been inspected or diagnosed by a dealer or independent service center. The exact cause of the failure has not been confirmed. 4\. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives, or others?** No. The vehicle has not been inspected by the manufacturer, police, insurance representatives, or any other party. 5\. Were there any warning lamps, messages, or other…”
“I am reporting excessive engine oil consumption in my 2018 Kia Soul, VIN [XXX], with over 150,000 miles. The engine consumes approximately 1-2 quarts of oil every 1,000 miles. There are no visible external oil leaks, and the vehicle does not produce visible exhaust smoke. I am concerned that this excessive oil consumption may indicate an internal engine defect and could lead to engine damage or sudden engine failure if the oil level becomes too low . Having to add oil so frequently creates an ongoing risk that the engine could become dangerously low on oil between checks, potentially resulting in engine failure while driving and creating a safety hazard for the driver and other motorists. I contacted Kia America to report the problem and request assistance with diagnosis and engine repair or replacement. Kia reviewed my VIN and stated in writing that there are no applicable oil-consumption recalls, service campaigns, or warranty extensions for my vehicle. Kia also denied my request for goodwill assistance. I am concerned that this problem may affect other Kia Soul owners and believe it warrants further investigation. I am submitting this complaint so that NHTSA…”
“My car has very high oil consumption. I regularly take it for oil changes and have never missed an oil change. In between oil changes I need to put anywhere between 2-3 bottles of oil in. I have taken it in to the dealership for a couple of oil consumption tests that both failed step one so they kept it overnight and did some kind of flush or cleanse and then it passed step 2 both times. The car is good for a little while and then it starts consuming alot of oil again. Due to the high consumption of oil my catalytic converter is going bad and the engine seems very sluggish at times. I do have a yellow check engine light constantly on and the code is for the catalytic converter due to high oil comsumption. The dealership told me they can't do anything about the warning light until it starts to flash yellow instead of being solid yellow. I brought it into the dealership for that and they acknowleded my year make and model are known for excessive oil consumption which can cause the catalytic converter to go bad. They won't do anything about it because it passes step 2 of oil consumption test. but they keep giving me a hard time about just permanently fixing it…”
“The vehicle is suffering from an extreme internal engine oil consumption defect, burning approximately 3 quarts of engine oil every 500 to 600 miles with no external leaks. The internal oil burning heavily fouled the vehicle's ignition system (spark plugs and coil packs), causing severe engine misfires and a sudden vehicle stall while operating in motion on public highways. This unexpected loss of motive power creates an extreme safety hazard. The local dealership, Paramount Kia of Hickory, refused to follow proper factory Technical Service Bulletin (TSB-ENG219) testing protocols to document the defect, leaving the consumer operating an unsafe vehicle.”
“My 2018 Kia Soul has failed on oil consumption test and needs and engine replacement. Kia knows of these issues with these cars but will not cover the engine replacement cost bc the class action suit does not cover oil consumption failure only rod bearings. This will be an issue sooner or later with the oil problem. Kia has several recalls on other vehicles for the exact same thing.”
“I am losing the engines oil every 500 miles. It is an ongoing problem and I have to check my oil on a regular basis so the engine does not seize or catch fire as my mechanic has instructed/alerted me to do.”
Showing 6 of 143 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 10, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.