2015 Kia Sorento engine problems
359 owner complaints filed with NHTSA name the engine on the 2015 Kia Sorento — 48% of all complaints for this model year.
What owners report
“My 2015 Kia Sorento is experiencing a catastrophic structural failure of the exhaust system where the front manifold catalytic converter has internally collapsed This is a severe safety hazard because the physical blockage of the exhaust flow creates massive engine backpressure stalling when trying…”
filed Jul 5, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
TECHNICAL SERVICE BULLETIN: WARRANTY EXTENSION CAMPAIGN: OIL PRESSURE SWITCH (OPS) REPLACEMENT (WTY026 REVISION 2) - This bulletin has been revised to include additional information. New/revised sections of this…
WTY026_TSB_R2 · Service Bulletin/Repair Instructions · issued Mar 18, 2026TECHNICAL SERVICE BULLETIN: ENGINE SUB ASSEMBLY INSPECTION/REPLACEMENT (WTY039 - REVISION 7) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a…
WTY039_TSB_R7 · Service Bulletin/Repair Instructions · issued Dec 18, 2025TECHNICAL SERVICE BULLETIN: ENGINE SUB ASSEMBLY INSPECTION/REPLACEMENT (WTY039 REVISION 6) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a…
WTY039_TSB_R6 · Service Bulletin/Repair Instructions · issued Dec 1, 2025TECHNICAL SERVICE BULLETIN: WARRANTY EXTENSION CAMPAIGN (WTY039) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area…
WTY039_TSB_R5 · Service Bulletin/Repair Instructions · issued Nov 4, 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% |
| 2020 Sorento | 63 | 48% |
| 2019 Sorento | 151 | 36% |
| 2018 Sorento | 102 | 41% |
| 2017 Sorento | 381 | 48% |
| 2016 Sorento | 690 | 56% |
| 2014 Sorento | 384 | 39% |
| 2013 Sorento | 496 | 51% |
Other reported problem areas on the 2015 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.