2018 Kia Sportage Engine cooling Problems
- Complaints
- 5about this part
- Share
- 3%of 165 total for the year
- Median mileage
- 100,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 5 complaints about the engine cooling of the 2018 Kia Sportage, 3% of the 165 complaints for this model year. Where a mileage was given, the median is 100,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“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. …”
NHTSA complaint #11742806, filed 2026-06, 100,000 miles“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. …”
NHTSA complaint #11700368, filed 2025-11, 150,000 miles“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. …”
NHTSA complaint #11703319, filed 2025-12, 84,000 miles“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 complaint #11649109, filed 2025-03, 105,000 miles“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. …”
NHTSA complaint #11437214, filed 2021-10, 16,147 milesRelated service bulletins
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- 10219692Sep 13, 2022TECHNICAL SERVICE BULLETIN: BEARING CLEARANCE TESTER (BCT) PROCEDURES - This bulletin provides information regarding test procedure of the Bearing Clearance Tester (BCT) Special…
- 10210431Apr 20, 2022PITSTOP: INJECTOR HARNESS ROUTING FOR PI1802Y/Z AND PI1803Y/Z ENGINE REPLACEMENTS - This bulletin provides information to address a no-start or hard start with poor running…
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- 10205865Dec 23, 2021PRODUCT IMPROVEMENT CAMPAIGN: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802Y/Z) - This bulletin has been revised to include additional information. New/revised sections…
- 10205426Dec 21, 2021TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES - This bulletin has been revised to include additional information. New/revised sections of…
- 10203695Nov 4, 2021This bulletin provides information regarding test procedure of the Bearing Clearance Tester (BCT) Special Service Tool (SST). The SST comes pre-calibrated from the supplier…
- 10203658Nov 4, 2021PRODUCT IMPROVEMENT CAMPAIGN: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802Y/Z) - This bulletin has been revised to include additional information. New/revised sections…
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 1 | 2% |
| 2023 | 1 | 1% |
| 2022 | 1 | 2% |
| 2021 | 7 | 13% |
| 2020 | 9 | 5% |
| 2019 | 2 | 3% |
| 2018 | 5 | 3% |
| 2017 | 8 | 2% |
| 2016 | 3 | 2% |
| 2015 | 1 | 1% |
| 2014 | 2 | 2% |
| 2013 | 14 | 4% |
| 2012 | 2 | 1% |
| 2011 | 7 | 4% |
| 2008 | 5 | 5% |
| 2007 | 2 | 3% |
| 2006 | 8 | 7% |
| 2005 | 4 | 6% |
| 2002 | 69 | 29% |
| 2001 | 45 | 20% |
| 2000 | 45 | 15% |
| 1999 | 79 | 28% |
| 1998 | 79 | 26% |
| 1997 | 56 | 31% |
| 1996 | 10 | 18% |
| 1995 | 14 | 25% |
Other parts of the 2018 Kia Sportage
91 complaintsElectrical system
30 complaintsOther or unknown
23 complaintsTransmission and drivetrain
18 complaintsBrakes
11 complaintsFuel system
11 complaintsSteering
9 complaintsVehicle speed control
8 complaintsExterior lighting
6 complaintsBody and structure
6 complaintsVisibility (wipers, defrost, mirrors)
5 complaintsSeats
4 complaints
← All problems reported for the 2018 Kia Sportage
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology