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2021 Kia Niro
Limited data — few reports on file, read the verdict loosely
Too few owner complaints are on file to affirm this car. Treat it as unproven — not endorsed — and lean hard on a professional pre-purchase inspection.
9 owner complaints · 1 recalls · data verified July 10, 2026 · source: NHTSA
What the record shows so far
Only 9 owner complaints on file for this exact model year — too few to judge long-term reliability. Treat this as unproven, not endorsed, and lean on a professional inspection.
The math, shown
Full methodology →Complaints filed per year
Fading = early teething worked out. Climbing = problems aging in.
The road ahead
What breaks on a 2021 Kia Niro, plotted where owners report it happening.
Transmission & drivetrain
33%3 complaints · 2 in the last 2 years
“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 …”
Engine
22%2 complaints · 1 in the last 2 years
“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 …”
Electrical system
22%2 complaints
“Problem has not been remedied. What is my recourse? How long do I have to drive around worried about the car going on fire?”
Visibility & wipers
22%2 complaints
“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 throughou…”
Recalls (1)
Safety recall repairs are free at the brand’s franchised dealers. Before buying, run the VIN at nhtsa.gov/recalls and make the seller show the work was done.
Power Train · 23V534000
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.
Risk: A fire increases the risk of injury.
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.
Before you hand over money
Check the VIN for open recalls
NHTSA’s free lookup shows whether this exact car had its recall remedies completed.
Free NHTSA VIN check ↗Get a pre-purchase inspection
A $150–$250 independent inspection of this exact 2021 Kia NIRO beats every score on the internet, including ours.
What to ask forNot set on the 2021? See how every Niro model year scores →
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What owners say
Real owners of this exact model-year, shown separately from the NHTSA score — if they disagree, that’s worth knowing.