2018 Kia Niro
Recalls, most-reported problems, crash-test ratings, fuel economy and what a 2018 Kia Niro is worth — from official NHTSA and EPA data. 637 on record.
2018 Kia Niro at a glance
Included: that car's specs and build sheet, model-year recall campaigns and a fair price.
2018 Kia Niro recalls 3
Kia America, Inc. (Kia) is recalling certain 2017-2022 Niro and 2018-2022 Niro Plug-in Hybrid vehicles. Fluid may leak into the printed circuit board inside the hydraulic clutch actuator, which can result in an engine compartment fire.
Fix: Dealers will inspect and replace the hydraulic clutch actuator as necessary and install a new fuse, free of charge. Owner notification letters were mailed December 29, 2023. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC276.
Kia Motors America (Kia) is recalling certain 2017-2018 Kia Niro hybrid electric vehicles previously recalled under recall 18V-666. The Main Relay within the Power Relay Assembly (PRA) may have inadequate connections between its contacts, causing increased electrical resistance, which can overheat the rear seats.
Fix: Dealers will inspect the PRA and replace either the PRA or the Main Relay, as necessary, free of charge. Owner notification letters were mailed January 9, 2023. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC256. This recall supersedes NHTSA recall numb…
Kia Motors America (Kia) is recalling certain 2017-2018 Kia Niro hybrid electric vehicles. The Main Relay within the Power Relay Assembly (PRA) may have inadequate connections between its contacts, causing increased electrical resistance.
Fix: Kia will notify owners, and dealers will inspect the Power Relay Assembly (PRA) for damage. If no damage is found, the main relay will be replaced. If damage is found, the PRA will be replaced. These repairs will be performed free of charge. The recall began November 23, 2018. Owners may contact Ki…
Source: U.S. NHTSA, checked 4 Nov 2026. A campaign covers the model year; to see whether a particular car still needs the repair, check its VIN on NHTSA.gov or ask a franchised dealer.
2018 Kia Niro MPG & running costs
Source: U.S. EPA / DOE fueleconomy.gov.
What's a 2018 Kia Niro worth?
Estimated 5-year cost to own
A rough guide to what running a 2018 Kia Niro costs over five years and 75,000 miles.
How this is estimated: fuel is the U.S. EPA annual cost at 15,000 miles a year. There aren't enough comparable listings to estimate depreciation for this model, so it is left out. Not included: insurance, maintenance, repairs, taxes, registration and finance costs. Treat it as a comparison guide, not a quote.
Dimensions & weight
Manufacturer-reported figures for the 2018 Kia Niro. Source: Transport Canada vehicle specifications via NHTSA.
Investigations & service bulletins
NHTSA defect investigations 1
Pedestrian alert sounds Closed
NHTSA received a petition on or about July 18, 2022, requesting that Federal Motor Vehicle Safety Standard (FMVSS) 141 be applied to all electric and hybrid vehicles operating in the United States. The petition can be reviewed at NHTSA.gov under ODI Number 11486072. FMVSS 141 establishes performance requirements for pedestrian alert sounds for motor vehicles. The standard applies to hybrid and electric vehicles that…
NHTSA #DP22005 · Electrical System · opened Jan 2023 · closed Aug 2023An investigation means NHTSA is examining a possible defect — it is not a recall, and many close without one.
Manufacturer service bulletins 93
Technical notes the manufacturer sent to dealers about known issues and fixes. Useful to mention to a mechanic — they are not recalls and repairs may not be covered. Showing the 10 most recent of 93.
TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR – ELECTRICAL A/C COMPRESSOR - 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 information…
Bulletin TSB_CLI049_R2 · Electrical System, Visibility/wiper · Aug 2026PITSTOP: 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 while parking, by calculating dis…
Bulletin PS797 · Back Over Prevention · Dec 2025TECHNICAL 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 information relat…
Bulletin TSB_TRA046_R5 · Power Train · Apr 2025TECHNICAL 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 bulletin provides…
Bulletin TSB_ENG222_R8 · Engine · Apr 2025TECHNICAL 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 bulletin provides…
Bulletin TSB_ENG222_R7 · Engine · Feb 2025This 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.
Bulletin TSB_TRA046_R4 · Power Train · May 2024TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR - ELECTRICAL A/C COMPRESSOR - 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 information…
Bulletin TSB_CLI049_R1 · Electrical System, Visibility · Jun 2023TECHNICAL SERVICE BULLETIN: OVERHEAD CONSOLE SUNGLASS DOOR-LATCH REPAIR - This bulletin provides information to repair the overhead console lamp assembly and sunglass door latch on some 2012-2023MY model vehicles listed in the table below, which may encounter…
Bulletin TSB_BOD314 · Structure, Interior Lighting, Latches/locks/linkages · May 2023TECHNICAL SERVICE BULLETIN: TRANSMISSION FLUID APPLICATION GUIDE - 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, re…
Bulletin TSB_TRA046_R3 · Power Train · Nov 2022TECHNICAL SERVICE BULLETIN: MAINTENANCE REMINDER FEATURE - 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 information on setting the…
Bulletin TSB_ENG219_R1 · Electrical System, Engine And Engine Cooling · Sep 2022Source: NHTSA Office of Defects Investigation, listed for the NIRO HYBRID FWD. Model-year data, not specific to one car.
Canadian recalls 3
Transport Canada recall campaigns for the 2018 Kia Niro. Relevant if the car was first sold in, or imported from, Canada.
Label
Issue: On certain vehicles, the compliance label may be missing information in French. The words listed on the label for "Tires", "Rims", "Front" and "Rear" appear in English only, when they should be listed as "Tires/Pneus", "Rims/Jantes", "Front/Avant" and "Rear/Arriere". Canadian regulations require this information to be listed on the label in both English and French. Safet…
Transport Canada #2024549 · Aug 2024Powertrain
Issue: On certain vehicles, fluid could leak onto the printed circuit board for the hydraulic clutch actuator (HCA). If this happens, the circuit board could short circuit. Safety Risk: A short circuit could create the risk of an engine compartment fire while driving. Corrective Actions: Kia will notify owners by mail and advise you to take your vehicle to a dealership to inspe…
Transport Canada #2023423 · Aug 2023Electrical
On certain vehicles, the main relay contacts in the Power Relay Assembly located underneath the rear seat may have an inadequate connection. This could increase electrical resistance and generate heat, increasing the risk of fire causing injury and/or damage to property. Correction: Dealers will inspect the Power Relay Assembly for signs of thermal damage. If no thermal damage…
Transport Canada #2018537 · Sep 2018Source: Transport Canada Motor Vehicle Safety Recalls Database.
About the Kia Niro
The Kia Niro is a subcompact crossover SUV (B-segment) manufactured by Kia since 2016. It is an electrification-focused vehicle, offering three versions: hybrid, plug-in hybrid and battery electric variants.
From Wikipedia, licensed CC BY-SA 4.0. Describes the model line in general, not this model year specifically.
2018 Kia Niro trims & engines on record
2018 Kia Niro vehicles on record
2018 Kia Niro FE (HEV), LX (HEV)KNDCB3LC8J5108191
2018 Kia Niro FE (HEV), LX (HEV)KNDCB3LC1J5132039
2018 Kia Niro EX Premium (PHEV), Graphite Edition (HEV)KNDCC3LC3J5177920
2018 Kia Niro TOURING (HEV), EX Premium (HEV)KNDCE3LC0J5179876
2018 Kia Niro FE (HEV), LX (HEV)KNDCB3LCXJ5132282
2018 Kia Niro TOURING (HEV), EX Premium (HEV)KNDCE3LC7J5142789
2018 Kia NiroKNDCE3LC4K5232368
2018 Kia NiroKNDCB3LC6K5244773
2018 Kia NiroKNDCB3LCXK5242881
2018 Kia NiroKNACC81GFK5005327
2018 Kia NiroKNDCC3LC7J5180304
2018 Kia NiroKNDCC3LD0J5210090
2018 Kia NiroKNDCB3LCXJ5209961
2018 Kia NiroKNDCB3LC2J5172145
2018 Kia NiroKNDCB3LC1J5204213
2018 Kia NiroKNACB81CGJ5167541
2018 Kia NiroKNDCC3LC3K5262421
2018 Kia NiroKNDCB3LCXK5264427
2018 Kia NiroKNDCE3LC4K5224321
2018 Kia NiroKNDCB3LC3J5161252
2018 Kia NiroKNDCE3LC9J5175244
2018 Kia NiroKNDCB3LC5J5212721
2018 Kia NiroKNDCC3LD7K5216549
2018 Kia NiroKNDCB3LC8J5203172