YearToAvoid

2020 Kia Niro Problems, Recalls & Reliability

Verdict

Best

Complaint Index

13/100

#8 most-complained of 9 Niro years

The 2020 Kia Niro ranks 8th out of 9 model years for owner complaints, with a complaint index of 13 and a Best verdict relative to other Niro years. It has 38 complaints, 1 recall, and no do-not-drive recalls on file with NHTSA.

Complaints
38
Recalls
1
Crashes / fires
2 / 3
Injuries / deaths
2 / 0
NHTSA overall rating
Not rated
EPA combined MPG
49
51 city / 46 hwy

Top 2020 Kia Niro problems

NHTSA owner complaints by component group. Groups with 15+ complaints have their own page.

  1. Engine11 (29%)
  2. Other8 (21%)
  3. Transmission & Powertrain8 (21%)
  4. Electrical System7 (18%)
  5. Collision Avoidance & Cameras6 (16%)
  6. Brakes5 (13%)
  7. Fuel System3 (8%)
  8. Airbags2 (5%)
  9. Visibility & Wipers2 (5%)
  10. Structure & Body1 (3%)

What owners report

  • Engine loses power at highway speed and can smoke or catch fire without warning.
  • A check engine light appears with an air flap system error code that dealers struggle to diagnose.
  • Engine sputters, jerks, and chugs, sometimes right at startup, with the check engine light coming on later.
  • Vehicle unexpectedly decelerates while the regenerative brake warning light illuminates, forcing the driver to coast to a stop.
  • Owners report waiting for recall parts for the hydraulic clutch actuator with no repair available yet.
  • Airbags failed to deploy in a crash despite a significant impact.
2020 Kia Niro complaints: complaints filed per month4Aug 2020Nov 2022Jan 2024Aug 2024Apr 2025Nov 2025Apr 2026
53 complaints filed with NHTSA from Aug 2020 to Aug 2026; peak Jun 2026 (4).

2020 Kia Niro recalls

1 NHTSA recall campaign list this model year.

  1. NHTSA 23V534000Jul 31, 2023Transmission & Powertrain121,411 vehicles

    Power train:automatic transmission:internal:clutches/bands:actuators/solenoids

    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.

    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.

2020 Kia Niro fuel economy and fuel cost

City
51 MPG
Highway
46 MPG
Combined
49 MPG
Annual fuel cost (EPA)
$1,300
15,000 mi/yr
Fuel
Regular
Current regular gas
$4.32/gal
national avg.

EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.

2020 compared with other Niro years

Complaint Index by model year (0 = fewest issues, 100 = most)0255075100201720182019202020212022202320242025
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2018Good2560347.5
2019Caution5056149
2020Best1338149
2021Best09149
2022Avoid7531149

All Kia Niro years: best and worst →

Frequently asked questions

Is the 2020 Kia Niro reliable?
Among Niro model years, 2020 ranks 8th out of 9 for owner complaints with a complaint index of 13, earning a Best verdict relative to other Niro years.
What problems does the 2020 Kia Niro have?
NHTSA complaints for the 2020 Niro are led by the Engine area (11 complaints, 29% share), followed by Transmission & Powertrain (8 complaints, 21%) and Electrical System (7 complaints, 18%).
Does the 2020 Kia Niro have a recall?
Yes, one recall (campaign 23V534000) covers 2017-2022 Niro and 2018-2022 Niro Plug-in Hybrid vehicles for fluid leaking into the hydraulic clutch actuator circuit board, which can cause an engine compartment issue. It is not a do-not-drive recall.
How does the 2020 Niro compare to other years?
The 2020 Niro's complaint index of 13 is much lower than the 2023 Niro's index of 100 or the 2022 Niro's index of 75, both rated Avoid, and lower than the 2017 Niro's index of 63, rated Caution.
What is the fuel economy of the 2020 Kia Niro?
The 2020 Niro is EPA-rated at 49 mpg combined (51 city / 46 highway), with an estimated annual fuel cost of $1,300.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.