The Used Car Index

2021 Kia RIO problems

NHTSA lists 15 complaints for the 2021 Kia RIO, 2 of them mention a crash and 0 mention a fire. 0 complaints mention an injury, with 0 injuries and 0 deaths reported.

Data build 2026-10-09.

NHTSA lists this vehicle as KIA RIO.

At a glance

Complaints
15
With crash
2
With fire
0
With injury (complaints)
0
Injuries
0
Deaths
0
Recalls
2
Do not drive recalls
0
Park outside recalls
0
Recall potential units (maximum)
87
Investigations
0
Open investigations
0
Manufacturer communications
59

Complaints per 100k sold unavailable. The available sales group does not match this vehicle variant.

Where the complaints are

Top systems
SystemComplaintsShare of this vehicle's complaints
UNKNOWN OR OTHER640.0%
STEERING426.7%
SERVICE BRAKES320.0%
ENGINE213.3%
POWER TRAIN213.3%
BACK OVER PREVENTION16.7%
ELECTRICAL SYSTEM16.7%
FUEL/PROPULSION SYSTEM16.7%
LANE DEPARTURE16.7%
SEAT BELTS16.7%
Top subsystems
SystemSubsystemComplaints
BACK OVER PREVENTIONSENSING SYSTEM1
LANE DEPARTUREASSIST1
LANE DEPARTUREWARNING1

One complaint can name several systems, so shares can add to more than 100 percent.

Model-generated complaint tags

These labels are model-generated, not NHTSA data.

Failure modes
LabelCountShare of taggedMean confidence
loss of control746.7%0.68
mechanical failure320.0%0.78
visibility or lighting213.3%0.85
electrical electronic16.7%0.97
noise or comfort16.7%1.00
restraint or airbag16.7%1.00
Severities
LabelCountShare of taggedMean confidence
moderate960.0%0.80
high320.0%0.81
low320.0%0.76

Model: typesafe/jev-1.13-20260917; schema version: tag-v1. 15 tagged complaints of 15 complaints (100.0%).

Confidence is the model's own probability for the label it chose (0 to 1), not accuracy.

Model-generated labels on tagged complaints only. Model years 2013 and newer are tagged in full; 2012 in part (see tagged_share); earlier model years have no tags. NHTSA's own flags remain separate in the complaints block.

Recalls

See new recalls and investigations this week.

2 recalls.

22V304000

Date: 2022-05-05. Systems: STEERING.

Defect: Kia Motors America (Kia) is recalling certain 2021-2022 Rio and Forte vehicles. A bolt in the steering column may not be secured properly, which can cause the steering column to detach from the steering rack and result in a loss of steering control.

Consequence: Loss of steering control can increase the risk of a crash.

Remedy: Dealers will tighten the lower steering column u-joint retention bolt, free of charge. Owner notification letters were mailed May 27, 2022. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall SC235.

Do not drive: No. Park outside: No.

21V936000

Date: 2021-12-01. Systems: SERVICE BRAKES, HYDRAULIC.

Defect: 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.

Consequence: 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.

Do not drive: No. Park outside: No.

Investigations

0 investigations; 0 open.

Manufacturer communications

59 manufacturer communications.

Communications by system
SystemCount
ELECTRICAL SYSTEM30
STRUCTURE14
ENGINE AND ENGINE COOLING7
EQUIPMENT6
STEERING5
ELE4
TRA3
ENG2

11033803

Date: 2026-06-09. Type: Service Bulletin/Repair Instructions. Systems: STRUCTURE.

TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: THEFT DETERRENT IGNITION: CYLINDER PROTECTOR & DECAL INSTALLATION (CS2311) - 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 provi

11034003

Date: 2026-06-08. Type: Service Bulletin/Repair Instructions. Systems: STRUCTURE.

TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: THEFT DETERRENT IGNITION CYLINDER PROTECTOR AND DECAL INSTALLATION (CS2312) - 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 prov

11033217

Date: 2026-05-28. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.

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 impr

11028908

Date: 2026-02-19. Type: Service Bulletin/Repair Instructions. Systems: STRUCTURE.

TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: THEFT DETERRENT IGNITION CYLINDER PROTECTOR AND DECAL INSTALLATION (CS2312) - 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 prov

11026989

Date: 2025-12-19. Type: Other. Systems: STRUCTURE.

CUSTOMER SATISFACTION CAMPAIGN: POSTCARD OWNER RENOTIFICATION (CS2311) - This document is the owner renotification advising that Kia is conducting Customer Satisfaction Campaign. Kia has developed a new zinc-reinforced ignition cylinder protector hardware upgrade and can be installed at the ignition

11026825

Date: 2025-12-18. Type: Service Bulletin/Repair Instructions. Systems: STRUCTURE.

TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: THEFT DETERRENT IGNITION CYLINDER PROTECTOR AND DECAL INSTALLATION (CS2312) - This bulletin provides information to install a Theft Deterrent Ignition Cylinder Protector on certain 2010-2022MY Kia vehicles outlined on page 19, which may not have bee

11026980

Date: 2025-12-17. Type: Other. Systems: STRUCTURE.

CUSTOMER SATISFACTION CAMPAIGN: OWNER NOTIFICATION (CS2312) - This document is the owner notification advising that Kia is conducting Customer Satisfaction Campaign. A software upgrade that addresses the social media theft method has been made available to owners of eligible Kia model vehicles free

11026698

Date: 2025-12-09. Type: Other. Systems: BACK OVER PREVENTION.

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

11017172

Date: 2025-04-17. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.

TECHNICAL SERVICE BULLETIN: TRANSMISSION FLUID APPLICATION GUIDE - 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 relating to the correct transmission fluid ty

11017109

Date: 2025-04-03. Type: Service Bulletin/Repair Instructions. Systems: ENGINE.

TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES - 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 on diagnosing and/or repair

Notes on this record

  • Complaints from the API and bulk file are merged and deduplicated by ODI number; the API alone misses records.
  • System and subsystem counts are numbers of distinct complaints, recalls or communications that name them. One record can name several systems, so shares across systems can add to more than 100 percent; a single share never exceeds 100 percent.
  • Recalls are counted once per campaign, investigations once per action and manufacturer communications once per NHTSA id, even when NHTSA lists several model names for the same record.
  • A sales denominator is a calendar-year proxy, not the population of vehicles still in use. Rates are copied from verified pipeline output.

Other names NHTSA uses

None listed.

Matched NHTSA models

Matched labels and complaints
NHTSA model labelComplaints
RIO15

Same model, other years

All model years | All Kia models

Other Kia models, 2021

Sources

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