Problems · by component
2016 Kia Sorento engine problems
697 owner complaints to NHTSA about the 2016 Kia Sorento cite engine, 55% of all 1,262 complaints for this model year.
Complaints
697
55% of all complaints
Crashes
4
Reported by owners
Fires
33
Reported by owners
Injuries
5
Reported by owners
What owners say about the engine
Verbatim from NHTSA complaints, newest first
“Vehicle caught on fire when driving, putting my mother's life and her passenger at risk. My mother is an elderly Deaf woman, but was able to pull over in time for Fire Department to help contain fire. There were no warning lamps or messages of any problems with car, the car started smoking (smoke also entered cabin) and they pulled over where there was a fire under hood and bystander call emergency services. The car is currently at a tow lot and should be available for inspection upon request. We are waiting for car to be inspected by insurance.”
“I am the original owner of a 2016 Kia Sorento and have lived at my original registration address since purchasing the vehicle. The engine suddenly and catastrophically failed/seized due to internal rod bearing failure. The local Kia dealership is denying the recall engine replacement because the KSDS (Knock Sensor Detection System) software update was not performed. However, Kia America failed to mail me a statutory recall notice to my verified address. The dealership is weaponizing Kia's own notification failure to deny coverage for an acknowledged safety defect."”
“Vehicle equipped with 3.3L V6 Lambda II engine, covered under active Kia Warranty Extension Campaigns WTY035/WTY039 for engine block head bolt/gasket failure.In July, the vehicle experienced a cooling system issue and was brought to authorized dealer Westgate Kia. Despite explicit campaign guidelines mandating a coolant pressure test and chemical combustion block test for cooling complaints on this engine, the dealership failed to follow the TSB protocol. They attributed the issue solely to an external hose, recommended unrelated peripheral repairs, and released the vehicle without performing the required campaign diagnostics.A few months later, the unchecked progressive manufacturing defect resulted in catastrophic engine failure. The vehicle exhibited intermittent overheating, blew heavy white smoke from the tailpipe (indicating a massive head gasket breach/coolant entering combustion chambers), and ultimately suffered a total loss of cylinder compression, requiring it to be towed back to Westgate Kia.The dealership is currently trying to evade the 15-year/180,000-mile WTY035/WTY039 campaign coverage. The service department is refusing to follow the mandated…”
“Upon a catastrophic engine failure Tasca Kia replaced engine under Theta II settlement. I picked up my kia on 9/12. Engine is not running properly. It’s jerking and there is loud mechanical knocking. I don’t feel safe driving. I’ve contacted Kia corporate beginning 9/16 who contacted Tasca to arrange for tow and loaner. They said Tasca service mgr would contact soon to set up. They never did. I called corporate again later that day and after they called Tasca they were told service mgr went home for the day. As of this date Tasca Kia has not contacted me. I again called Kia corporate 9/17 asking to please escalate and allow me to use another service dept. The only other service location with loaner is a half hour away and I cannot afford another tow or another rental. I am stranded with a car that is not safe due to installation failure or another defective engine. No one from Kia will help in a reasonable time frame. I’m now told it can take up to 48 BUSINESS HOURS for any assistance. In the meantime I’m being forced to decide on whether to risk driving an unsafe vehicle to the service dept or to continue waiting for Kia to contact me.”
“I am filing this complaint regarding a 2016 Kia Sorento, VIN [XXX]. The vehicle suddenly broke down while my [XXX] daughter was driving in [XXX] and was taken to Sooner Kia in [XXX]. The dealership diagnosed the engine as seized and stated that it failed because there was no oil, requiring engine replacement. We dispute that conclusion. Within approximately five minutes of the breakdown, my daughter checked the oil at her father’s direction, and the level appeared normal. A mobile mechanic later inspected the vehicle and also reported that the oil level was normal and appeared clean. Sooner Kia now claims the engine was “bone dry” and that lack of oil caused the seizure. We have requested documentation showing how much oil was found, whether any oil was drained, what testing was performed, what internal damage was identified, and what evidence proves that oil starvation caused the failure. We have not received documentation establishing the cause. This is concerning because NHTSA previously investigated loss of motive power involving 2016–2017 Kia Sorento vehicles with 3.3L Lambda II engines under PE23-019. Kia later created extended warranty campaign WTY035…”
“On or about XXX, my KIA Sorento LX FWD Auto 2.4-liter engine with an approximate mileage of 36,000, began having drivability problems, none of which occurred before that date. On XXX the vehicle was serviced at Ourisman Chantilly Kia (VA051) for a Voluntary Emissions Service Campaign (SC340) THETA II 2.4L GDI ECM S/W Upgrade. Records reflect that it was a Theta II Emissions Logic Improvement 250A21R1 0.3 M/H. This was a voluntary campaign from Kia America, Inc., [XXX]. Failure to have this performed, as cited from the Kia Corporate Headquarters, could nullify warranty/warranties. What ensued was a vehicle that stalled, seized, hesitated, and/or jolted at low speeds that had the potential to cause severe injury or accident. Uncontrolled rough accelerating and seizing is a serious complaint, and the causation can be linked to the dealership performing the voluntary recall where the vehicle was purchased on March 15, 2015, in [XXX]. Further, this vehicle has a full and complete record of all repairs and symptoms, which includes, and is not limited to, maintenance, Service Campaign, Service Action, Recall, and Product Improvement. This vehicle, included in a class…”
Showing 6 of 697 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 3, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.