YearToAvoid

2020 Kia Rio Problems, Recalls & Reliability

Verdict

Avoid

Complaint Index

77/100

#4 most-complained of 14 Rio years

The 2020 Kia Rio has a Complaint Index of 77 and ranks 4th worst out of 14 model years, earning an Avoid verdict. NHTSA lists 27 complaints, 1 recall, 5 fires, and 3 deaths for this year, with Electrical System issues the top problem area at 22% of complaints.

Complaints
27
Recalls
1
Crashes / fires
3 / 5
Injuries / deaths
1 / 3
NHTSA overall rating
Not rated
EPA combined MPG
36
33 city / 41 hwy

Top 2020 Kia Rio problems

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

  1. Other8 (30%)
  2. Electrical System6 (22%)
  3. Engine5 (19%)
  4. Transmission & Powertrain5 (19%)
  5. Steering4 (15%)
  6. Brakes3 (11%)
  7. Suspension, Wheels & Tires3 (11%)
  8. Airbags1 (4%)
  9. Seat Belts1 (4%)
  10. Structure & Body1 (4%)

What owners report

  • Owners report the engine stalling unexpectedly while accelerating, turning at intersections, or passing on the interstate.
  • Some describe electrical fires with smoke filling the cabin and wiring burning through the door frame near the passenger seat.
  • One owner reported the transmission gear shaft melted while the vehicle was parked, with an electronic failure cited as the cause.
  • A seat belt reportedly detached from its base during a crash, and the airbags failed to deploy.
  • One owner reported a tire exploding after very low mileage, which the dealer attributed to driver error.
  • Owners describe brakes going down to the floor and windshield fluid disappearing without being used.
2020 Kia Rio complaints: complaints filed per month6Aug 2020May 2021Jan 2022Sep 2022Aug 2023Mar 2025Sep 2025
38 complaints filed with NHTSA from Aug 2020 to Aug 2026; peak Sep 2023 (6).

2020 Kia Rio recalls

1 NHTSA recall campaign list this model year.

  1. NHTSA 21V936000Dec 1, 2021Brakes87 vehicles

    Service brakes, hydraulic:foundation components:master cylinder

    Kia Motors America (Kia) is recalling certain 2020-2021 Rio vehicles. The brake master cylinder may have been manufactured with sharp edges that can damage the inner oil seal, resulting in reduced braking performance.

    Risk: Reduced braking performance can cause longer brake pedal travel or extend the distance required to stop the vehicle, increasing the risk of a crash.

    Remedy: Dealers will replace the brake master cylinder, free of charge. Owner notification letters were mailed January 11, 2022. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall SC223.

2020 Kia Rio fuel economy and fuel cost

City
33 MPG
Highway
41 MPG
Combined
36 MPG
Annual fuel cost (EPA)
$1,800
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 Rio years

Complaint Index by model year (0 = fewest issues, 100 = most)0255075100’10’11’12’13’14’15’16’17’18’19’20’21’22’23
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2018Good3128132
2019Good3821132
2020Avoid7727136
2021Best815236
2022Best1511136

All Kia Rio years: best and worst →

Frequently asked questions

Is the 2020 Kia Rio reliable?
Compared to other Rio model years, the 2020 ranks 4th worst out of 14 years tracked, with a Complaint Index of 77 and an Avoid verdict based on NHTSA complaints and recalls.
What problems does the 2020 Kia Rio have?
NHTSA data shows Electrical System complaints are the top issue at 22% of the 27 total complaints, followed by Engine and Transmission & Powertrain issues, each at 19%.
Does the 2020 Kia Rio have any recalls?
Yes, one recall (campaign 21V936000) covers a brake master cylinder defect that could reduce braking performance; Kia replaced the part free of charge.
How many fires and deaths were reported for the 2020 Kia Rio?
NHTSA lists 5 fire reports, 3 crashes, 1 injury, and 3 deaths associated with the 2020 Kia Rio.
What is the fuel economy of the 2020 Kia Rio?
The 2020 Kia Rio gets an EPA-rated 36 mpg combined (33 city / 41 highway), with an estimated annual fuel cost of $1,800.

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.