2018 Kia Forte problems & reliability
134 owner complaints filed with NHTSA for the 2018 Kia Forte, alongside 3 safety recall campaigns. Last verified Aug 7, 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 vehicles.
8 complaints report injuries (9 injured).
Federal crash records (FARS 2020–2023): 2018 Kia Forte vehicles were involved in 96 fatal crashes with 57 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 | 57 | 43% |
| Unknown OR Other | 30 | 22% |
| Air Bags | 16 | 12% |
| Electrical System | 16 | 12% |
| Vehicle Speed Control | 10 | 7% |
| Power Train | 8 | 6% |
| Fuel/propulsion System | 7 | 5% |
| Structure | 7 | 5% |
| Exterior Lighting | 6 | 4% |
| Steering | 5 | 4% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 35,234 miles (middle 50% between 19,000 and 79,000 miles), based on 45 complaints that included mileage.
Complaints by incident year
What owners report
“Have to replace running lights every 4-6 months on both of my headlights. Happened every 4-6 months since I got the car in 2017”
Exterior Lighting · filed Apr 27, 2026
“The contact owns a 2018 Kia Forte. The contact stated while driving at an undisclosed speed, the vehicle failed to accelerate as needed. There was no warning light illuminated. The vehicle was taken to the dealer, and it was discovered that the engine oil level was extremely low. The dealer kept the vehicle for nine…”
Engine and Engine Cooling · filed Mar 24, 2026
“Recently, while my boyfriend was driving my vehicle, the engine suddenly lost power without warning. He had the accelerator pedal fully depressed, yet the vehicle would barely move. He was fortunate to safely maneuver the vehicle off the road. Upon inspection, he discovered there was no oil present in the engine…”
Engine · filed Feb 25, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
100 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2018 Kia Forte. The 10 most recent:
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
PRODUCT IMPROVEMENT CAMPAIGN: OWNER RENOTIFICATION (PI2106 FLIGHT 501) - This document is the owner renotification advising that Kia is conducting a Product Improvement Campaign to perform a software update on 2017-2018…
PI2106_OWNR_501 · Other · issued Apr 1, 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
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
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…
PS797 · Other · issued Dec 9, 2025
PRODUCT IMPROVEMENT CAMPAIGN: OWNER RENOTIFICATION (PI2106) - This document is the owner renotification advising that Kia is conducting a Product Improvement Campaign to perform a software update on 2017-2018 MY Kia…
PI2106_OWNR_401 · Other · issued Aug 5, 2025
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…
TSB_TRA046_R5 · Service Bulletin/Repair Instructions · issued Apr 17, 2025
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…
TSB_ENG222_R8 · Service Bulletin/Repair Instructions · issued Apr 3, 2025
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…
TSB_ENG222_R7 · Service Bulletin/Repair Instructions · issued Feb 28, 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 Forte 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 Forte?
- · 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.
- · Owners most often reported problems around 35,234 miles — budget accordingly if the car is approaching that mileage.