AI Damage2018 KIA Stinger: common problems
Owners of the 2018 KIA Stinger filed 71 complaints with NHTSA, most often about engine and electrical system. The maker issued 46 service bulletins for this year. We found 2 repair videos on YouTube. Details by component below, with sources.
Key figures
- Owner complaints
- 71
- involving a crash
- 2
- Technical service bulletins (TSB)
- 46
- YouTube repair videos
- 2
What fails most often
- 1 Engine 34% of all complaints
- 2 Electrical system 15% of all complaints
- 3 Fuel/propulsion system 15% of all complaints
- 4 Service brakes 13% of all complaints
- 5 Powertrain 10% of all complaints
- 6 Exterior lighting 10% of all complaints
- 7 Fuel system 7% of all complaints
- 8 Engine and cooling 6% of all complaints
- Engine: 24 complaints (34% of all); manufacturer bulletins for this component: 3.
- Electrical system: 11 complaints (15% of all), 2 of them with a crash reported by the owner; manufacturer bulletins for this component: 15.
- Fuel/propulsion system: 11 complaints (15% of all); manufacturer bulletins for this component: 1.
- Service brakes: 9 complaints (13% of all); manufacturer bulletins for this component: 6.
- Powertrain: 7 complaints (10% of all); manufacturer bulletins for this component: 4.
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 2 L · petrol · turbo · 4 cylnamed in 1 complaints
- 3.3 L · petrol · turbo · 6 cylnamed in 1 complaints
- automatic, 8-speed
Drive: RWD, AWD
Symptoms owners describe
How many of the 71 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Engine | 24 | 0 | 3 |
| Electrical system | 11 | 2 | 15 |
| Fuel/propulsion system | 11 | 0 | 1 |
| Service brakes | 9 | 0 | 6 |
| Powertrain | 7 | 0 | 4 |
| Exterior lighting | 7 | 0 | 3 |
| Fuel system | 5 | 0 | 3 |
| Engine and cooling | 4 | 0 | 15 |
| Structure | 3 | 0 | 6 |
| Steering | 3 | 1 | 2 |
| Vehicle speed control | 3 | 1 | 0 |
| Visibility | 1 | 0 | 2 |
| Suspension | 1 | 0 | 1 |
| Lane departure | 1 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
related malfunction on my 2018 Kia Stinger. My hazard lights are activating on their own, changing flash speeds, and failing to turn off at times. This creates a safety concern while driving.
Vehicle was in motion and had adaptive cruise control on and vehicle in front of me so it shifted down so car was in front of me and lane assist jerked the wheel as I was approaching the car in front of me and caused me to go into the other lane and and then it resumed speed because it did not realize a vehicle was…
NHTSA Vehicle Safety Complaint Statement Vehicle: 2018 Kia Stinger Premium 2.0L Turbo VIN: [XXX] Component: Fuel System, Gasoline: Delivery: High Pressure Pump [1, 5] Recall Campaign [ref] Kia High-Pressure Fuel Pump Safety Recall [5] 1.
In addition, the contact became aware of white smoke coming from underneath the hood before the engine seized. The vehicle was towed to the independent mechanic. The contact was advised to tow the vehicle to the dealer. The vehicle was towed to the dealer.
(2018 kia stinger gt2 awd) vin:[XXX] The above-referenced vehicle suffered a catastrophic engine failure directly resulting from a ruptured turbocharger oil feed line—the exact defect covered by federal Safety Recall SC300. The vehicle was rendered inoperable and was transported to Kia Store Elizabethtown.
Seat belt clicks in, registers as being put on by dash sensor but comes unbuckled when force pushes it forward. Latch is not fully catching on drivers seat.
About 3 hours later, while driving on [XXX] near [XXX], he noticed a burning smell, then saw smoke coming from the front of the vehicle, followed by flames from the engine compartment. He pulled over and exited safely before the vehicle was fully engulfed.
While driving the steering wheel jerks back and forth as if it's trying to help assist in keeping in lanes even with the lane assistant off and it doesn't matter what speed it jerks the whole time. The steering wheel will also move on its own back and forth while in a parked position too.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 726 of 2,102 model years in the NHTSA data (top 35% most complained about).
On average one model year of the Stinger has 29 complaints (6 years in the data). This year has 71, above average.
What to check before buying
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Fuel/propulsion system. Fuel smell, leaks, rough running, fuel-system codes.
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- TECHNICAL SERVICE BULLETIN
INFOTAINMENT SOFTWARE UPDATE PROCEDURE - This bulletin provides information on the process for downloading infotainment software updates and preparing USB for installation on applicable Kia vehicles. The software…
- PITSTOP
TECHNICAL OPERATIONS: EXTERNAL DAMAGE TO ULTRASONIC SENSOR: This Pitstop provides information related to Parking Distance Warning (PDW) alerts and repairs involving ultrasonic sensors. The PDW system alerts the driver…
- TECHNICAL SERVICE BULLETIN
SUBSEQUENT REPAIR ACTION: HIGH-PRESSURE FUEL PUMP REPLACEMENT INSTRUCTIONS FOR DTC P0088 (SC281Y) - This bulletin provides information related to the Technical Service Bulletin previously published under SC281 titled…
- TECHNICAL SERVICE BULLETIN
TRANSMISSION FLUID APPLICATION GUIDE - 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. This bulletin provides…
- TECHNICAL SERVICE BULLETIN
EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES - 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. This…
- This bulletin provides information relating to the correct transmission fluid type and fill quantity…
This bulletin provides information relating to the correct transmission fluid type and fill quantity requirement for each Kia model. A flush is required ONLY when a transmission is replaced.
- VOLUNTARY EMISSIONS SERVICE CAMPAIGN
OWNER NOTIFICATION - This document is the owner notification advising that Kia is conducting a Voluntary Emissions Service Campaign on certain 2018-2021 MY Kia Stinger vehicles equipped with 2.0L Turbo GDI engines…
- VOLUNTARY EMISSIONS SERVICE CAMPAIGN
THETA 2.0L T-GDI ECM SOFTWARE LOGIC IMPROVEMENT (SC279) - This bulletin provides information to upgrade the software logic of the engine control module (ECM) with an improved version on 2018-2021MY Stinger (CK)…
- VOLUNTARY EMISSIONS SERVICE CAMPAIGN
QUESTION AND ANSWER - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Voluntary Emissions Service Campaign (SC279).
- SC279_POC
PROOF OF CORRECTION CARD
- SC279_STKR
VOLUNTARY EMISSIONS SERVICE CAMPAIGN COMPLETION STICKER
- VOLUNTARY EMISSIONS SERVICE CAMPAIGN
DEALER PARTS AND SERVICE MANAGER MEMO - This document is the announcement to the dealer Parts and Service Managers that Kia is conducting a Voluntary Emissions Service Campaign on certain 2018-2021 MY Kia Stinger…
NHTSA lists 46 bulletins for this year; the 12 newest are shown here.
Repair videos
We do not copy videos: these are YouTube links credited to their authors. Amounts are as stated by the author and not verified by us.
Other years of this model
Questions and answers
What are the most common problems with the 2018 KIA Stinger?
Owner complaints to NHTSA most often mention: engine, electrical system, fuel/propulsion system. Total complaints: 71. The most frequent symptoms in complaint texts: warning lights, check engine (35%), fuel system, fuel smell (20%), smoke, burning smell, fire (18%).
How many service bulletins (TSB) were issued for the 2018 KIA Stinger?
NHTSA lists 46 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2018 KIA Stinger from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2018 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.