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2018 Kia Niro

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2018 Kia Niro do not stand out strongly from the model-year median of 34.5.

About this comparison →

How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

20 reports with mileage · 40 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Power Train. Review the 19 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 18 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 17 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

5 crash reports0 fire reports3 injury reports

What owners actually said

60 reports
14,286 miles · Oct 22, 2019
Structure

A FEW MONTH AGO, THE FRONT PASSENGER DOOR HANDLE FELL OFF WHEN TRYING TO OPEN THE DOOR WHEN THE CAR WAS PARKED/STATIONARY. THE VEHICLE WAS TAKEN TO THE DEALERSHIP, AND THE HANDLE AND COVER WERE REPLACED. TODAY, 10/22/2018, THE RIGHT REAR PASSENGER DOOR HANDLE POPPED OFF WHEN TRYING TO OPEN THE DOOR WHEN THE CAR WAS PARKED IN TH…

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A FEW MONTH AGO, THE FRONT PASSENGER DOOR HANDLE FELL OFF WHEN TRYING TO OPEN THE DOOR WHEN THE CAR WAS PARKED/STATIONARY. THE VEHICLE WAS TAKEN TO THE DEALERSHIP, AND THE HANDLE AND COVER WERE REPLACED. TODAY, 10/22/2018, THE RIGHT REAR PASSENGER DOOR HANDLE POPPED OFF WHEN TRYING TO OPEN THE DOOR WHEN THE CAR WAS PARKED IN THE DRIVEWAY. BOTH TIMES THE DOORS WERE UNLOCKED, AND THE PRESSURE APPLIED TO DOOR HANDLE WAS MINIMAL (NORMAL). THE HANDLE BROKE IN THE SAME PLACE AS THE FIRST. WHEN CONTACTING THE DEALERSHIP, WE ASKED IF THE OTHER HANDLE (RIGHT REAR PASSENGER) COULD ALSO BE REPLACED, AS THIS SEEMS TO BE A DEFECT. THE SERVICE DEPARTMENT SAID THAT THEY COULD INSPECT IT WHEN REPLACING THE OTHER HANDLE, BUT COULD NOT ORDER PARTS UNTIL IT IS DETERMINED THAT IT IS BROKEN. UPON RESEARCHING THE PROBLEM ON THE INTERNET, WE FOUND THAT KIA HAD ISSUED TSB #TSBBOD180_R1 NHTSA ID #10151899, AND TSB #TSBBOD186 NHTSA ID #10151901 IN REGARDS TO THE DOOR HANDLES ON 2017/18 NIROS, AND SAID THAT ALL THREE PASSENGER HANDLES WERE TO BE REPLACED (NOT THE DRIVER). WE THEN CALLED BACK THE SERVICE DEPT AND INQUIRED ABOUT THE TBS, AND WERE TOLD THAT IT WASN'T FOR OUR VEHICLE. 2 HANDLES IN A COUPLE OF MONTHS WOULD WARRANT THE REPLACEMENT OF ALL HANDLES. WE DON'T UNDERSTAND WHY A RECALL HASN'T BEEN DONE, IF THIS IS AN KNOWN ISSUE, OR WHY OUR VEHICLE IS SUPPOSEDLY NOT INCLUDED IN THE TSB. IT IS A SAFETY ISSUE, AS ACCESS CANNOT BE OBTAIN FROM THE OUTSIDE OF THE VEHICLE.

NHTSA ODI #11270308

10 miles · Jun 24, 2019
EnginePower TrainVehicle Speed Control

I WAS DRIVING ON THE FREEWAY. AFTER SLOWED DOWN AND STOPPED COMPLETELY, SUDDENLY IT LOSE POWER TO RUN. TRYING TO STEP DEEPER THE GAS PEDAL, BUT NO REACTION AT ALL. AFTER TURN OFF AND TURN ON ENGINE FEW TIMES, IT CAN RUN AGAIN, BUT THIS TIME, THE REAL PROBLEM OCCUR. THE ENGINE SOUNDS SO LOUD..IT'S HYBRID CAR SUPPOSED TO SO QUIET …

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I WAS DRIVING ON THE FREEWAY. AFTER SLOWED DOWN AND STOPPED COMPLETELY, SUDDENLY IT LOSE POWER TO RUN. TRYING TO STEP DEEPER THE GAS PEDAL, BUT NO REACTION AT ALL. AFTER TURN OFF AND TURN ON ENGINE FEW TIMES, IT CAN RUN AGAIN, BUT THIS TIME, THE REAL PROBLEM OCCUR. THE ENGINE SOUNDS SO LOUD..IT'S HYBRID CAR SUPPOSED TO SO QUIET (THAT'S WHAT SOUNDS USUALLY). LATER ON, I FOUND OUT HOW TO STILL CAN DROVE IT, BUT WITH HIGH RISK SUDDENLY LOSE POWER ON THE STREET. LATER FOUND OUT, WHEN THE CAR IN MOTION, THE HYBRID SYSTEM DIDN'T WORKED COMPLETELY, AND THE TRANSMISSION SOUND VERY ROUGH. EVERY TIME WHEN COME TO BRAKE OR WANT TO SLOW DOWN, CAN FEELS OBVIOUSLY AND HEARD THE TRANSMISSION IS VERY ROUGH MAKING CLUTCH LOUD SOUNDS. THE CRUISE CONTROL SYSTEM ALSO TOTALLY NOT FUNCTION. WHEN IN STATIONARY, VERY FIRST WHEN STARTED THE ENGINE, MADE LOUD SOUNDS ON THE ENGINE, AND CAN'T REVERSED OR MOVE FORWARD, JUST STAYED IN PLACE. THE DASHBOARD DISPLAY "CHECK HYBRID SYSTEM". AND ON THE MIDDLE SCREEN DISPLAYING, "LOW VOLTAGE DC / DC CONVERTER".

NHTSA ODI #11222226

Mileage unknown · Nov 15, 2018
Exterior Lighting

AMBAS LUCES DELANTERAS LES ENTRA AGUA Y HUMEDAD CUANDO LLUEVE

NHTSA ODI #11151804

250 miles · Sep 17, 2018
Electrical SystemStructureUnknown Or Other

REAR HATCH INDICATOR SUDDENLY COMES ON WHILE DRIVING AND REAR HATCH OPENS ON OWN. EVEN AFTER HARD SLAMMING SHUT HATCH IS NOT LATCHING ALL THE TIME AND RANDOMLY LOOSENING AND OPENING ON ITS OWN. LOUD RATTLE IS ALSO COMING FROM REAR OF VEHICLE. THIS IS A NEWLY PURCHASED AUTOMOBILE.

NHTSA ODI #11129850

9,700 miles · Sep 10, 2018
Unknown Or Other

BOTH THE RIGHT PASSENGER DOOR HANDLE AND REAR DRIVES SIDE DOOR HANDLE HAVE COME OFF, IN BOTH CASES A PASSENGER WAS OPENING THE DOOR TO ENTER THE VEHICLE WHEN THE DOOR HANDLE FAILED AND CAME OFF. THE LAST INCIDENT BACK DOOR OCCURRED 9/7

NHTSA ODI #11128443

910 miles · Aug 31, 2018
Unknown Or Other

NO INCIDENT TO REPORT. DESIGN SAFETY ISSUE. THE DESIGN OF THE EMERGENCY LIFTGATE SAFETY RELEASE REQUIRES THE USE OF THE VEHICLE'S MECHANICAL KEY TO EXIT THE VEHICLE THROUGH THE REAR LIFTGATE IN AN EMERGENCY (SEE OWNERS MANUAL PAGE 4-26. THE NEED TO HAVE A KEY IN HAND UTTERLY DEFEATS THE INTENDED CONCEPT OF AN EMERGENCY RELEASE.…

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NO INCIDENT TO REPORT. DESIGN SAFETY ISSUE. THE DESIGN OF THE EMERGENCY LIFTGATE SAFETY RELEASE REQUIRES THE USE OF THE VEHICLE'S MECHANICAL KEY TO EXIT THE VEHICLE THROUGH THE REAR LIFTGATE IN AN EMERGENCY (SEE OWNERS MANUAL PAGE 4-26. THE NEED TO HAVE A KEY IN HAND UTTERLY DEFEATS THE INTENDED CONCEPT OF AN EMERGENCY RELEASE. THIS DESIGN WOULD BE COMPLETELY UNACCEPTABLE FOR THE TRUNK OF A SEDAN AND IT SHOULD ALSO BE UNACCEPTABLE FOR A HATCHBACK OR LIFTGATE. A RELATIVELY INEXPENSIVE FIX WOULD BE TO INSTALL A SIMPLE METAL LEVER IN THE DOOR THROUGH THE SLOT PROVIDED FOR INSERTING THE KEY. I HAVE HAD OTHER VEHICLES WITH SIMILAR EMERGENCY RELEASE MECHANISMS. I DO NOT KNOW HOW WIDE SPREAD THIS IS THROUGH THE INDUSTRY OR IF THERE ARE IN FACT DIFFERENT STANDARDS. I WOULD URGE NHTSA TO REQUIRE MANUFACTURERS TO MAKE ALL DOORS OPENABLE FROM THE INSIDE WITHOUT THE NEED FOR A KEY OR ANY OTHER TOOL, ESPECIALLY WHERE IT IS SPECIFICALLY IDENTIFIED AS AN EMERGENCY MEANS OF EXIT. THANK YOU FOR ALL YOUR EFFORTS TO KEEP THE DRIVING PUBLIC SAFE. SINCERELY (XXXXX) PARTS OF THIS DOCUMENT HAVE BEEN REDACTED TO PROTECT PERSONALLY IDENTIFIABLE INFORMATION PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).

NHTSA ODI #11123599

1,800 miles · Jun 3, 2018
Service BrakesUnknown Or OtherCrashInjury

PURCHASED THE VEHICLE WITH SAFETY TECH PACKAGE WHICH INCLUDES AEB (AUTO EMERGENCY BRAKING) AND VEHICLE DID NOT STOP EVEN WHEN I APPLIED FULL BRAKES TO PREVENT A COLLISION. THE MAIN REASON I PURCHASED THIS VEHICLE WAS FOR THIS SAFETY FEATURE.

NHTSA ODI #11099431

1,145 miles · Apr 4, 2018
Service BrakesCrashInjury

I AM WRITING TO YOUR COMPANY IN REGARDS TO A SERIOUS ACCIDENT WHICH HAPPENED ON THE DATE OF SATURDAY, MARCH 24TH AROUND 4PM EST. THIS ACCIDENT INVOLVED MY FAMILY AND I DRIVING THE NEW KIA NIRO HYBRID EX W/ TECH PKG WE PURCHASED FROM SANSONE DEALERSHIP ON NOVEMBER 24TH, 2017. MY VEHICLE WAS INVOLVED IN THE ACCIDENT ON ROUTE 22 HI…

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I AM WRITING TO YOUR COMPANY IN REGARDS TO A SERIOUS ACCIDENT WHICH HAPPENED ON THE DATE OF SATURDAY, MARCH 24TH AROUND 4PM EST. THIS ACCIDENT INVOLVED MY FAMILY AND I DRIVING THE NEW KIA NIRO HYBRID EX W/ TECH PKG WE PURCHASED FROM SANSONE DEALERSHIP ON NOVEMBER 24TH, 2017. MY VEHICLE WAS INVOLVED IN THE ACCIDENT ON ROUTE 22 HIGHWAY WHILE DRIVING EASTWARDS AT THE SPEEDS OF AROUND 35-36 MPH AS THERE WAS A TRAFFIC FLOW AND ALSO A TRAFFIC STOP OF CARS. OUR VEHICLE (KIA NIRO) WAS ABOUT 2-3 CAR DISTANCE BEHIND THE VEHICLE IN FRONT AND AS WE WERE TRYING TO COME TO A STOP AND WHILE APPLYING THE BRAKES, THE VEHICLE WAS NOT STOPPING EVEN WITH THE EQUIPPED AUTONOMOUS EMERGENCY BRAKE SYSTEM ON, IT DID NOT FUNCTION AS I STOMPED HARD ON THE BRAKE PEDAL, SAW THE BRAKE INDICATION ON THE DASH BUT THE VEHICLE WAS NOT SLOWING DOWN. WE HAD TO BRACE FOR IMPACT AND REAR ENDED THE CAR IN FRONT OF US WHICH ALSO SLIGHTLY HIT THE CAR IN FRONT OF HIM TOTAL OF 3 VEHICLES INVOLVED INCLUDING MINE. IN MY CAR I WAS THE DRIVER, MY SPOUSE WAS SITTING IN THE PASSENGER SIDE AND MY 5 YEAR OLD DAUGHTER WAS IN THE BACK SEAT IN HER CAR SEAT. THE IMPACT CAUSED MAJOR FRONTAL DAMAGE TO MY VEHICLE AND BOTH FRONT AIRBAGS WERE DEPLOYED. MY WIFE SUSTAINED NECK INJURY WHICH WE HAD CHECKED OUT AT AN URGENT CARE CENTER THE NEXT DAY. I SUSTAINED SOME BRUISES ON THE LEG AND MY DAUGHTER WAS OK, BUT IN SHOCK. I HAVE INCLUDED PICTURES OF THE DAMAGED CAR, POLICE REPORT. THE FACT THAT WE PURCHASE A VEHICLE WITH UPGRADES TO SAFETY FEATURES THAT DID NOT WORK FOR KEEPING MY FAMILY AND I SAFE IS UNACCEPTABLE. VEHICLE IS TOTALED AND INSURANCE HAS STORED IT IN THE FOLLOWING FACILITY: IAA, 700 FEDERAL BLVD. CARTERET, NJ 07008-1008. TEL: 732-634-5601. STOCK# 22133296. THIS INFO WAS GIVEN VIA VOICEMAIL TO RYAN AT KIA CONSUMERS WITH CASE# 12671522.

NHTSA ODI #11083238

1,927 miles · Mar 29, 2018
Electrical System

WIRING HARNESS CHEWED UP BY RODENTS 6 WEEKS AFTER BUYING CAR NEW. ONLY 1900 MILES ON CAR. CAR WAS PARKED BETWEEN '01 TOYOTA TACOMA AND '04 F250 DIESEL, WHICH HAVE BEEN THERE SINCE NEW WITHOUT PROBLEMS, AS WAS A '06 VW DIESEL, AND A '12 VW DIESEL, ALSO PARKED THERE SINCE NEW. THE USE OF SOY BASED INSULATION ON THE WIRING HAS TUR…

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WIRING HARNESS CHEWED UP BY RODENTS 6 WEEKS AFTER BUYING CAR NEW. ONLY 1900 MILES ON CAR. CAR WAS PARKED BETWEEN '01 TOYOTA TACOMA AND '04 F250 DIESEL, WHICH HAVE BEEN THERE SINCE NEW WITHOUT PROBLEMS, AS WAS A '06 VW DIESEL, AND A '12 VW DIESEL, ALSO PARKED THERE SINCE NEW. THE USE OF SOY BASED INSULATION ON THE WIRING HAS TURNED VEHICLES INTO ROLLING FOOD SOURCES. WITH CRITICAL FUNCTIONS NOW CONTROLLED ELECTRICALLY RATHER THAN MECHANICALLY (THROTTLE TRANSMISSION AND STEERING), THIS A MAJOR SAFETY HAZARD, NOT TO MENTION EXTREMELY COSTLY $2000 TO $5000 TO REPAIR. THIS IS OCCURRING AT EPIDEMIC RATES, AND IS ACROSS ALL MAKES. DON'T LET THIS TURN INTO ANOTHER "TAKATA".

NHTSA ODI #11081995

4,230 miles · Jan 2, 2018
Engine

ENGINE/TRANSMISSION BECOMES VERY SLUGGISH AS TEMPERATURES DROP AND THE TRANSMISSION SEEMS TO BE "ENGINE BRAKING" THE VEHICLE, MAKING COASTING NEARLY IMPOSSIBLE. PUTTING THE VEHICLE IN NEUTRAL ALLOWED THE CAR TO NORMALLY COAST BUT ONCE BACK IN DRIVE, ACCELERATION WAS TAXING. THE VEHICLE LACKS ANY POWER AND IS RUINING THE FUEL ECO…

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ENGINE/TRANSMISSION BECOMES VERY SLUGGISH AS TEMPERATURES DROP AND THE TRANSMISSION SEEMS TO BE "ENGINE BRAKING" THE VEHICLE, MAKING COASTING NEARLY IMPOSSIBLE. PUTTING THE VEHICLE IN NEUTRAL ALLOWED THE CAR TO NORMALLY COAST BUT ONCE BACK IN DRIVE, ACCELERATION WAS TAXING. THE VEHICLE LACKS ANY POWER AND IS RUINING THE FUEL ECONOMY TRYING TO GET THE CAR UP TO SPEED.

NHTSA ODI #11058078

Official recalls

3

23V534000 · Power Train:automatic Transmission:internal:clutches/bands:actuators/solenoids

Jul 31, 2023

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.

Consequence & remedy

Consequence: A fire increases the risk of injury.

Remedy: 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.

22V836000 · Hybrid Propulsion System

Nov 11, 2022

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.

Consequence & remedy

Consequence: Overheated rear seats increase the risk of a fire.

Remedy: 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 number 18V-666. Vehicles already repaired under the previous recall will need to have the new remedy completed.

18V666000 · Hybrid Propulsion System

Sep 25, 2018

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.

Consequence & remedy

Consequence: The increased electrical resistance can overheat the rear seat which is above the PRA, increasing the risk of a fire.

Remedy: 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 Kia customer service at 1-800-333-4542. Kia's number for this recall is SC168.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

1

DP22005 · Pedestrian Alert Sounds

Opened Jan 27, 2023 · Closed Aug 7, 2023

Status: closed (inferred from source dates) · Electrical System:propulsion System

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 have a gross vehicle weight rating of 4,536 KG or less or are defined as low-speed vehicles. The standard became fully applicable to all such vehicles manufactured on or after March 1, 2021.On January 27, 2023, NHTSA opened Defect Petition (DP) 22-005 to evaluate the subject matter described in the petition. On June 24, 2023 and as supplemented on June 25, 2023, the petitioner notified NHTSA he was withdrawing his petition. The petitioner indicated that, based on his review of data, there is no justification for asserting potential benefits that could be derived from actions sought by my petition. Based on the petitioner's withdrawal, DP22-005 is closed. Closure of this DP does not represent a determination by NHTSA regarding the subject matter of the petition.