2020 Kia Sorento engine problems
63 owner complaints filed with NHTSA name the engine on the 2020 Kia Sorento — 48% of all complaints for this model year.
What owners report
“The vehicle suffered a sudden, severe engine malfunction/misfire while in operation, presenting a serious safety hazard on the road. Following the incident, the vehicle was taken to an authorized dealership service center (Repair Order #XXX), where technicians verbally confirmed that the engine…”
filed Jun 2, 2026
“Engine is burning oil at a significant rate, when I get my oil changed at the dealers recommendation it is extremely low. I have to replace the oil regularly between oil changes, and there is an exhaust smell. Also lagging when I hit the gas.”
filed May 19, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
VOLUNTARY EMISSIONS SERVICE CAMPAIGN: THETA II 2.4L GDI EMISSIONS: ECM LOGIC IMPROVEMENT (SC340 REVISION 5) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are…
SC340_TSB_R5 · Emissions · issued Apr 4, 2026VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER NOTIFICATION (SC340 FLIGHT 103 / UM) - This document is the owner notification advising that Kia is conducting a Voluntary Emissions Service Campaign to improve the emissions…
SC340_OWNR_UM103 · Emissions · issued Dec 19, 2025TECHNICAL SERVICE BULLETIN: VOLUNTARY EMISSIONS SERVICE CAMPAIGN: THETA II 2.4L GDI EMISSIONS ECM LOGIC IMPROVEMENT (SC340) - This bulletin has been revised to include additional information. New/revised sections of…
SC340_TSB_R3 · Service Bulletin/Repair Instructions · issued Dec 10, 2025VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER NOTIFICATION (SC340 FLIGHT 101 / UM) - This document is the owner notification advising that Kia is conducting a Voluntary Emissions Service Campaign to improve the emissions…
SC340_OWNR_UM101 · Emissions · issued Nov 27, 2025
Engine problems in other Sorento years
| Year | Reports | Share |
|---|---|---|
| 2025 Sorento | 18 | 26% |
| 2024 Sorento | 4 | 11% |
| 2023 Sorento | 28 | 25% |
| 2022 Sorento | 50 | 27% |
| 2021 Sorento | 61 | 26% |
| 2019 Sorento | 151 | 36% |
| 2018 Sorento | 102 | 41% |
| 2017 Sorento | 381 | 48% |
| 2016 Sorento | 690 | 56% |
| 2015 Sorento | 359 | 48% |
| 2014 Sorento | 384 | 39% |
| 2013 Sorento | 496 | 51% |
Other reported problem areas on the 2020 Kia Sorento
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.