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2023 Kia

Niro

Auto (AM-S6), 4 cyl, 1.6 L

Kia Niro: best and worst years
2023 Kia Niro

Photo may show a different model year; you're viewing the 2023.

PhotoAlexander-93CC BY-SA 4.0Wikimedia Commons

Overview

Body
Small Sport Utility Vehicle 2WDEPA, from EPA, last updated 6/11/2026
Drivetrain
Front-Wheel DriveEPA, from EPA, last updated 6/11/2026
Transmission
Automatic (AM-S6)EPA, from EPA, last updated 6/11/2026
Powertrain
HybridEPA, from EPA, last updated 6/11/2026
Fuel
RegularEPA, from EPA, last updated 6/11/2026

Engine & performance

Cyl
4EPA, from EPA, last updated 6/11/2026
Aspiration
Naturally aspiratedEPA, from EPA, last updated 6/11/2026
Start-stop system
YesEPA, from EPA, last updated 6/11/2026

Efficiency

MPG Hwy
45 mpgEPA, from EPA, last updated 6/11/2026
MPG City
53 mpgEPA, from EPA, last updated 6/11/2026
MPG Comb
49 mpgEPA, from EPA, last updated 6/11/2026
Fuel $/yr
$1,250EPA, from EPA, last updated 6/11/2026
CO₂
181 g/miEPA, from EPA, last updated 6/11/2026
Eco Score
8/10EPA, from EPA, last updated 6/11/2026
Smog score
7/10
Elec. Range
0 miEPA, from EPA, last updated 6/11/2026
Real-world MPG
49.6 mpg, reported by 2 driversabout 0.6 mpg above the EPA combined estimate
SmartWay certified
Yes

Dimensions & capacity

Length
174 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Width
72 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Height
62 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Wheelbase
107 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Curb Weight
3,466 lbNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Pass. Vol
105 ft³EPA, from EPA, last updated 6/11/2026
Cargo Vol
23 ft³EPA, from EPA, last updated 6/11/2026

Safety NHTSA, model year

Overall crash rating
★★★★★
Rollover rating
★★★★
Stability control (ESC)
Standard
Lane-departure warning
Standard
Recalls
2
Owner complaints
38
Reported injuries
6

Reported problems NHTSA owner complaints, model year

  • UNKNOWN OR OTHER21%
  • ELECTRICAL SYSTEM16%
  • FORWARD COLLISION AVOIDANCE11%
  • AIR BAGS10%
  • POWER TRAIN8%
  • FUEL/PROPULSION SYSTEM7%

Source: NHTSA owner complaints, 61 total.

Kia Niro: best and worst years

Known issues manufacturer service bulletins, model year

85 service bulletins filed with NHTSA for this model year

  • May 28, 2026ELECTRICAL SYSTEMTSB_ELE422

    TECHNICAL SERVICE BULLETIN: INFOTAINMENT SYSTEM SOFTWARE UPDATE USING UPDATE.KIA.COM - This bulletin provides information and service procedures for updating the infotainment systems on applicable Kia vehicles using the Kia Navigation Updater available at update.kia.com. The software update may improve system performance, enhance existing features, and apply the latest operating software for supported vehicles (2021-2026MY All Models).

  • Mar 26, 2026ELECTRICAL SYSTEMTSB_ELE394

    TECHNICAL SERVICE BULLETIN: AVN5.0W DTC P17A000 DAIGNOSTIC PROCEDURE - This bulletin provides information regarding a potential illuminated Malfunction Indicator Lamp (MIL) accompanied by DTC P17A000 on some 2022-2025MY Hybrid Electric Vehicles (HEV) and Plug-In Hybrid Electric Vehicles (PHEV) equipped with AVN5.0Wide head units listed below. This condition occurs when the Global Positioning System (GPS) module within the Audio Video Navigation (AVN) head unit, sends an inaccurate signal to the

  • Feb 20, 2026ENGINESC325_TSB_R1

    TECHNICAL SERVICE BULLETIN: VOLUNTARY EMISSIONS SERVICE CAMPAIGN: AEWP INSPECTION AND REPLACEMENT (SC325) - 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 to inspect and, if necessary, replace the Auxiliary Electric Water Pump (AEWP), control harness wiring, and/or engine room junction box for coolant intrusion and/or corrosion on certain 2022-2023MY Kia Hy

  • Dec 9, 2025BACK OVER PREVENTION: WARNINGSPS797

    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 while parking, by calculating distance based on the difference in signal transmission and reception times between the vehicle (ultrasonic sensor) and an object. The membrane film of the ultrasonic sensor is used for object detention and can be damaged by stone chips or for

  • Oct 22, 2025WHEELSTSB_GEN099_R3

    TECHNICAL SERVICE BULLETIN: SERVICE ACTION: TIRE MOBILITY KIT INSPECTION & REPLACEMENT/ REPAIR (SA556) - 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 to inspect, and if necessary, replace the Tire Mobility Kit (TMK) sealant can or sealant can cap on certain 2023-2024MY Kia vehicles listed on page 5. Lower ambient temperatures can create a vacuum effect in

  • Oct 9, 2025POWER TRAINSC345Z_TSB

    TECHNICAL SERVICE BULLETIN: SUBSEQUENT REPAIR ACTION: FRONT MOTOR REDUCTION GEAR ASSEMBLY REPLACEMENT (SC345Z) - This bulletin provides information regarding grinding or whining noise coming from the front motor reduction gear assembly after replacing the oil under SC345 (published in August 2025) on certain 2023-2024MY Niro EV (SG2 EV) vehicles produced from December 12, 2022 through February 7, 2024 and EV6 (CV) vehicles produced from December 14, 2022 through February 22, 2024. In rare cases,

  • Sep 12, 2025FUEL/PROPULSION SYSTEMSC338_OWNR_SG2_102

    VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER NOTIFICATION: EXPANSION (SC338 Flight 102) - This document is the owner notification advising that Kia is conducting a Voluntary Emissions Service Campaign to update the battery management system (BMS) to prevent overcharging of the 12V Lithium battery in certain 2023 MY Niro Hybrid (HEV) vehicles to ensure compliance with emissions regulations.

  • Aug 22, 2025POWER TRAINSC345_OWNR_SG2

    VOLUNTARY SERVICE CAMPAIGN: OWNER NOTIFICATION (SC345) - This document is the owner notification advising that Kia is conducting a Voluntary Service Campaign to replace the gear oil in the front motor and gear reduction assembly, and fill it to the factory-specified amount in certain Niro EV vehicles, manufactured from December 12, 2022 through February 7, 2024.

  • and 77 more

Source: NHTSA manufacturer communications (technical service bulletins).

Warranty manufacturer terms, by make

Basic
5 yr / 60k mi
Powertrain
10 yr / 100k mi
Roadside assistance
5 yr / 60k mi
EV battery
10 yr / 100k mi

Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice. Verify with the manufacturer or dealer before buying.