2018 Kia Sedona engine problems
21 owner complaints filed with NHTSA name the engine on the 2018 Kia Sedona — 44% of all complaints for this model year.
What owners report
“2018 Kia Sedona lx stalled while my wife was driving on the highway. No warning lights were on until the vehicle lost all power. Luckily my wife was able to pull the car safely to the side. The vehicle only has 36960 miles. Brought vehicle to the dealer and they said engine was seized. That Kia…”
filed Aug 2, 2026
“The vehicle is a 2018 Kia Sedona with approximately 122,000 miles that experienced a catastrophic engine failure resulting in complete engine seizure. The failure has been identified by an independent mechanic as a rod bearing issue. The engine remains intact and is available for inspection upon…”
filed Mar 27, 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, 2026
Engine problems in other Sedona years
| Year | Reports | Share |
|---|---|---|
| 2020 Sedona | 5 | 25% |
| 2019 Sedona | 9 | 26% |
| 2017 Sedona | 59 | 45% |
| 2016 Sedona | 144 | 50% |
| 2015 Sedona | 50 | 36% |
| 2014 Sedona | 8 | 21% |
| 2012 Sedona | 18 | 17% |
| 2011 Sedona | 11 | 17% |
| 2010 Sedona | 1 | 3% |
| 2009 Sedona | 3 | 6% |
| 2008 Sedona | 6 | 4% |
| 2007 Sedona | 10 | 6% |
Other reported problem areas on the 2018 Kia Sedona
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.