2018 Kia Sorento problems & reliability
253 owner complaints filed with NHTSA for the 2018 Kia Sorento, alongside 3 safety recall campaigns. Last verified Sep 21, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several components.
10 complaints report injuries (11 injured, 1 deaths reported).
Federal crash records (FARS 2020–2023): 2018 Kia Sorento vehicles were involved in 48 fatal crashes with 23 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Engine → | 105 | 42% |
| Exterior Lighting → | 41 | 16% |
| Unknown / Other | 37 | 15% |
| Electrical System → | 30 | 12% |
| Steering → | 26 | 10% |
| Fuel/propulsion System → | 13 | 5% |
| Air Bags → | 10 | 4% |
| Power Train | 9 | 4% |
| Structure | 9 | 4% |
| Forward Collision Avoidance | 8 | 3% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
All 24 reported components →Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Among the 69 complaints that included a usable odometer reading, the median reported incident mileage was 49,000 miles (middle 50% between 15,631 and 76,000 miles).
Complaints by incident year
What owners report
“Vehicle: 2018 Kia Sorento VIN: [XXX] Kia Corporate Case #: XXX My 2018 Kia Sorento experienced a catastrophic engine failure (“holes in the block”) while under warranty. The vehicle lost power, emitted heavy smoke, and became completely inoperable. Kia America has refused to repair the engine and has delayed providing…”
Engine · filed Sep 15, 2026
“The High Pressure Fuel Pump failed while driving on highway. I took it to the Kia dealership and they told me of the issue. There were no prior warnings of issues Kia recalled all 2019-2020 kia sorentos with this same issue. This component should not have failed at 63k miles and Kia should extend their warranty to…”
Fuel/propulsion System · filed Aug 27, 2026
“The abs module has failed. Yes vehicle is available for inspections if wanted and would be appreciated. Had it scanned by dealership and it’s too expensive to fix. Lights on are abs. Traction control. Auto hold. Autonomous braking. Thank you”
Forward Collision Avoidance · filed Aug 26, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- Loss of Motive Power
Defect Petition DP22003 · opened Sep 12, 2022 · closed Dec 12, 2023
Technical service bulletins
195 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2018 Kia Sorento. The 10 most recent:
TECHNICAL SERVICE BULLETIN: WARRANTY EXTENSION CAMPAIGN: MULTIFUNCTION SWITCH REPAIR (WTY031) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a…
WTY031_TSB_R2 · Warranty Program/Extension · issued Jun 16, 2026
TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: THEFT DETERRENT IGNITION CYLINDER PROTECTOR AND DECAL INSTALLATION (CS2312) - This bulletin has been revised to include additional information. New/revised sections of…
CS2312_TSB_R2 · Service Bulletin/Repair Instructions · issued Jun 8, 2026
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, 2026
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
TECHNICAL SERVICE BULLETIN: VOLUNTARY EMISSIONS SERVICE CAMPAIGN: THETA II 2.4L GDI EMISSION SECM LOGIC IMPROVEMENT (SC340 REV 4) - This bulletin has been revised to include additional information. New/revised sections…
SC340_TSB_R4 · Emissions · issued Mar 6, 2026
TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: THEFT DETERRENT IGNITION CYLINDER PROTECTOR AND DECAL INSTALLATION (CS2312) - This bulletin has been revised to include additional information. New/revised sections of…
TSB_CS2312_R1 · Service Bulletin/Repair Instructions · issued Feb 19, 2026
VOLUNTARY 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, 2025
TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: THEFT DETERRENT IGNITION CYLINDER PROTECTOR AND DECAL INSTALLATION (CS2312) - This bulletin provides information to install a Theft Deterrent Ignition Cylinder…
TSB_CS2312 · Service Bulletin/Repair Instructions · issued Dec 18, 2025
CUSTOMER SATISFACTION CAMPAIGN: OWNER NOTIFICATION (CS2312) - This document is the owner notification advising that Kia is conducting Customer Satisfaction Campaign. A software upgrade that addresses the social media…
CS2312_OWNR · Other · issued Dec 17, 2025
TECHNICAL 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, 2025
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2018 Kia Sorento has 3 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2018 Kia Sorento?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Among complaints with usable mileage, the median reported incident mileage was 49,000 miles. This does not predict when a particular vehicle will develop a problem.