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What 158 owners told NHTSA about the 2018 Kia Sportage Phev Phev

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (158)Crash / fire / injury (17)Engine (85)Electrical system (28)Transmission & drivetrain (17)Brakes (11)Fuel system (10)Steering (9)Speed control (8)Body & structure (6)Lights (6)Engine & cooling (5)

5 of 158 complaints match · Engine & cooling · clear filters

Jun 8, 2026Engine & cooling

The contact owns a 2018 Kia Sportage. The contact stated that while driving at an undisclosed speed, the Check Engine warning light illuminated. Additionally, the contact stated that the vehicle was experiencing excessive oil consumption, which resulted in spark plug fouling, and the vehicle exhibited an audible engine noise consistent with a potential engine failure. The vehicle was taken to an independent mechanic, where the spark plugs were serviced. The contact also reported multiple visits to the mechanic for oil additions. No further information was available. The manufacturer was not notified of the failure. The approximate failure mileage was 100,000.

NHTSA ODI 11742806

Dec 5, 2025Engine & cooling

The contact owns a 2018 Kia Sportage. The contact stated that while driving at an undisclosed speed after an oil change was recently performed on the vehicle, the low oil pressure warning light illuminated with the message "Service Engine" displayed, and the vehicle made a dinging sound. The vehicle was taken to the dealer, where 5 quarts of oil were added to the engine; however, the failure recurred while driving the following day. The contact's son added 3 quarts of oil to the engine. The vehicle was taken to the dealer, where an oil consumption test was started. The contact returned to the dealer after 1,000 miles. The dealer informed the contact that two more 1,000 miles tests were required to complete the oil consumption test. The contact declined to pay the fee to complete the test and was advised to trade the vehicle in at the owner's expense. The contact stated that the vehicle was purchased from the dealer as a certified pre-owned vehicle. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The failure mileage was approximately 84,000.

NHTSA ODI 11703319

Nov 19, 2025Engine & cooling

The contact owns a 2018 Kia Sportage. The contact received notifications of NHTSA Campaign Number: 22V703000 (Trailer Hitches) and 21V137000 (Service Brakes, Hydraulic); however, the contact was possibly charged for the recall repairs. The contact stated that while driving at various speeds, the vehicle failed to accelerate as intended while depressing the accelerator pedal. The KSDS warning light was illuminated. In addition, the contact became aware of abnormal oil consumption. The contact stated that after restarting the vehicle, the failure reoccurred. The vehicle was taken to a local dealer, where it was diagnosed, and DTC: P0010 was retrieved. The vehicle was repaired at the owner's expense; however, the local dealer diagnosed the vehicle and determined that the camshaft needed to be replaced. The manufacturer was made aware of the failure, and a case was filed. The failure mileage was approximately 150,000.

NHTSA ODI 11700368

Mar 18, 2025Engine & cooling

The contact owns a 2018 Kia Sportage. The contact stated that upon having the vehicle serviced by an independent mobile mechanic, the contact was informed that the engine oil level was extremely low after a recent oil change. No warning lights were illuminated. The vehicle was taken to an independent mechanic, who was unable to provide a specific diagnostic result for the failure; however, the contact was informed that the vehicle was consuming an excessive amount of engine oil. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 105,000.

NHTSA ODI 11649109

Oct 18, 2021BrakesEngine & cooling

The contact owns a 2018 Kia Sportage. The contact stated while driving 25 MPH, the contact noticed a strong odor of gasoline in the interior of the vehicle. Additionally, the check engine warning light was illuminated. The contact took the vehicle to a local dealer who inspected the vehicle but was unable to determine the cause of the failure. The contact later received notification for NHTSA Campaign Number: 21V137000 (Service Brakes, Hydraulic). The contact took the vehicle to the local dealer for the recall repair however, the vehicle was not repaired. The contact was informed to pick up the vehicle. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 16,147.

NHTSA ODI 11437214

Working with the data? Download all 158 complaints as CSV · fetched from NHTSA July 19, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2018 Kia Sportage Phev Phev verdict →