2021 KIA Niro Problems

VIN Decoder

Premium Report

Complaints Reported

Complaints by Component

UNKNOWN OR OTHER

2 complaints

I own a 2021 Kia Niro. The rear backup camera intermittently fails to operate. When shifting into reverse, the display screen will either go completely black or the camera will not activate at all. This issue occurs unpredictably and without warning. As a result, I am unable to see behind the vehicle when reversing, which creates a significant safety concern. The lack of rear visibility increases the risk of a collision, especially in areas with pedestrians, children, or low-visibility obstacles. I am aware that similar rearview camera failures have led to recalls for certain Kia Niro EV models; however, my vehicle is not included in those recalls. Despite this, my vehicle is experiencing the same or a very similar issue. The problem has occurred multiple times from 2023-now and does not appear to be related to specific weather, lighting, or driving conditions. This defect poses a serious safety risk and should be investigated for potential inclusion in a broader recall.

Apr 13, 2026

Vehicle is available for inspection upon request. HEV light lit up on dashboard and a warning message was displayed alerting me to immediately pull over and turn off the vehicle. At the same time the vehicle was not responding and acceleration became troubling and with marked hesitation. After waiting several minutes I attemped to turn the vehicle on again but the warning light and alarm went off. Vehicle is currently at the dealership but they have not offer a solution or even a temporary remedy.

Oct 18, 2023

POWER TRAIN

1 complaint

This is a hybrid vehicle. It has Dual clutch transmission. Since I have owned it, intermittently the clutch does not disengage completely. This causes the vehicle to try to pull ahead but my foot is on the brake. The vehicle does not stall. Somehow it figures out it can't pull ahead and somehow fully releases. I have brought it to kia at least 3 times. In each case they tell me they cNt get the car to fail and since there are no codes produced they can't fix it. They even held onto the car several days. I asked them to please replace SOMETHING but the say Kia policy will not allow them to do that. So I am stuck with a car that keeps misbehaving. It is embarrassing because problems occur while a passenger is in the car and it seems to them that I am not driving correctly. I don't know what to do.

Apr 10, 2026

POWER TRAIN,ENGINE

1 complaint

EV motor and drive train have a clattering noise, much like a playing card attached to a bicycle clattering against the wheel spokes. it speeds up and slows down with the acceleration of the motor.

Mar 20, 2026

VEHICLE SPEED CONTROL

1 complaint

I was backing out of a tandem parking spot in a private garage and got too close to a pillar, and tried to pull forward into the spot. It felt like the car got snagged on the pillar, but while pulling forward slowly, the gas pedal snapped off and the car accelerated quickly and uncontrollably. I was able to avoid hitting other cars but drove straight into a concrete wall despite immediately braking. I'm relatively uninjured, but if it had happened in a less controlled environment and/or I hadn't reacted as quickly, there could have been serious injuries to myself or others. There was no indication of an issue prior, and the car is currently in storage with my insurance company and will be appraised next week. I have photos of the broken pedal.

Jul 10, 2024

Crash: 1

Injuries: 1

POWER TRAIN,ELECTRICAL SYSTEM,ENGINE

1 complaint

I received important safety recall letter for NHTSA recall # 23V534. the HCA & or Fuse might need to be replaced . I brought the 2021 Nero to my local Kia dealership, Eagle kia ,Riverhead NY on January 18th. The dealership still has the vehicle & claims that a code came up when they did the diagnostics That requires a part that must be secured to complete the fix for the recall. they claim they are awaiting approval from kia corporate & NHTSA to add to the technical bulletin. But their is no timeframe they have or when this additional part will be available. The dealership has the fuses & Harness for the HCA replacement, but needs this additional part. I asked what the # of this part is or name, but all they would tell me TBT.

Feb 07, 2024

ELECTRICAL SYSTEM

1 complaint

Problem has not been remedied. What is my recourse? How long do I have to drive around worried about the car going on fire?

Nov 17, 2023

VISIBILITY

1 complaint

While driving on a major highway, my sunroof suddenly exploded. Luckily the screen was pulled shut otherwise I would have been covered in glass. I was able to drive to the next exit and park the vehicle to then get out and observe the damage. There was a gaping hole in the sunroof. I called a tow who brought me to a Kia dealership. I explained what happened and after inspecting the car the dealership told me it was road debris that caused the issue. I did not see or hear anything hit my car prior to the explosion of the sunroof and I question their findings that it was debris related.

Sep 15, 2022

VISIBILITY/WIPER

1 complaint

There is a silver strip of "trim" running completely across the dashboard just above the radio controls. It is so reflective that a glare occurs periodically throughout the day when the sun hits it. It's so bad that it blocks the left side mirror with the reflection and can even blind the driver. This needs to be addressed by Kia. Easy solution is to have Kia remove the strips, paint them black, and re-install them.

Jul 04, 2021

4.2/5.0

77 reviews

KIA Niro VIN Decoder — Free VIN Check Video Guide

Watch our quick KIA Niro VIN decoder walkthrough. Learn how to decode any KIA Niro VIN number to get full vehicle history, recall alerts, specifications, fuel economy (MPG), safety ratings, and known problems — completely free on ForCar.org.

Where to Find VIN for Problems Check

To check for problems and complaints on your 2021 KIA Niro, you'll need the VIN number. Find your VIN in one of these 4 common locations.

Where to Find VIN Number on 2021 KIA Niro for Problems Lookup - Dashboard, Door Jamb, Engine Bay, Documents

Understanding VIN Structure for Problem Reports

Each character in your 2021 KIA Niro 17-digit VIN helps identify specific complaints and problems affecting your vehicle model.

2021 KIA Niro VIN Structure for Complaint Verification - WMI, VDS, Check Digit, Model Year, Plant Code

How to Check 2021 KIA Niro Problems in 3 Steps

Locate Your VIN

Find the 17-character VIN on your 2021 KIA Niro dashboard (visible through windshield), door jamb, engine bay, or vehicle documents.

Review by Component

Browse owner-reported complaints organized by vehicle component (engine, transmission, brakes, electrical) to identify common issues and problem patterns for this model year.

Check Safety Issues

Review crash and fire incidents for each component to assess safety concerns. Contact your KIA dealer or report problems to NHTSA at SaferCar.gov.

Frequently Asked Questions

How many problems does the 2021 KIA Niro have?

The 2021 KIA Niro currently has 9 owner-reported complaints according to NHTSA database. These complaints are organized by component to help identify common issues.

What are the most common problems with 2021 KIA Niro?

The most common problems reported for the 2021 KIA Niro are organized by component above. Each component section shows owner-reported issues, crash reports, and fire incidents to help identify patterns and problem areas.

Where does this 2021 KIA Niro problem data come from?

All problem and complaint data for the 2021 KIA Niro comes directly from the National Highway Traffic Safety Administration (NHTSA) database. These are real complaints submitted by actual vehicle owners.

How do I report problems with my 2021 KIA Niro?

You can report safety problems with your 2021 KIA Niro directly to NHTSA at SaferCar.gov or call 1-888-327-4236. Your complaint helps identify patterns and may lead to recalls or investigations.

Where can I find my VIN to check problems?

Your 2021 KIA Niro VIN is located in 4 places: (1) Dashboard near windshield on driver's side, (2) Driver's door jamb sticker, (3) Engine bay, (4) Vehicle registration and insurance documents.

Is the 2021 KIA Niro reliable?

Reliability can be assessed by reviewing the number and severity of owner complaints for the 2021 KIA Niro. Check complaints by component, crash reports, and fire incidents above to evaluate potential issues and problem patterns.