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Total NHTSA Complaints
15
Owner filings recorded
#1 Reported Problem
Steering System
4 reports (26.7%)
Crash Incident Reports
2
Filings citing a crash
Fire & Injury Reports
0
0 fire • 0 injury filings
Defect Investigation Analysis

Executive Problem Findings

AutoUtility currently tracks 15 official NHTSA owner defect complaints for the 2021 Kia Rio. Steering System issues are the most frequently reported category, appearing in 4 complaints (26.7% of submitted records). Among these NHTSA complaint records, 2 filings cite a crash.

Methodology Notice: Consumer complaints are unverified voluntary submissions to the NHTSA Office of Defects Investigation (ODI). Filings are not normalized for sales volume or vehicle mileage and do not constitute an audited component failure rate.
Incident & Severity Profile
  • • Total Owner Reports: 15 complaints submitted under federal penalty.
  • • Primary Subsystem: Steering System accounts for 26.7% of submissions (4 reports).
  • • Secondary Systems: Brakes & Traction Control (3), Powertrain & Transmission (2).
  • • Crash Incidents: 2 filings cite an impact or collision.
  • • Thermal Incidents: 0 filings cite smoke or fire.
  • • Reported Casualties: 0 injury filings • 0 fatality filings.
Category Distribution

Reported Defect Categories for 2021 Kia Rio

Factual proportion of owner complaints categorized by automotive subsystem in NHTSA records

Steering System
4
26.7%
Brakes & Traction Control
3
20%
Powertrain & Transmission
2
13.3%
Driver Assistance & Safety Tech
2
13.3%
Electrical System
1
6.7%
#1 26.7% SHARE

Steering System

4 owner complaints submitted to NHTSA ODI for this subsystem.

⚠️ 1 Crash
⚠️ 1 Associated Recall Campaign
#2 20% SHARE

Brakes & Traction Control

3 owner complaints submitted to NHTSA ODI for this subsystem.

⚠️ 2 Crash
⚠️ 1 Associated Recall Campaign
#3 13.3% SHARE

Powertrain & Transmission

2 owner complaints submitted to NHTSA ODI for this subsystem.

✓ 0 Incidents
#4 13.3% SHARE

Driver Assistance & Safety Tech

2 owner complaints submitted to NHTSA ODI for this subsystem.

✓ 0 Incidents
Consumer Filings

Recent NHTSA Owner Reports for 2021 Kia Rio

Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation

Other / Miscellaneous ODI #11707375
Filed: 12/28/2025
Defect Report

"Back up camera sometimes flips sides, so that obstacles on the right side of the car are shown on the left side of the camera screen. Sometimes the camera doesn't work at all."

Steering System ODI #11660866
Filed: 05/14/2025
Defect Report

"Steering Gear Assembly completely broke at 81,000 miles. My daughter was backing up in a busy street at 5pm and lost 100 percent of steering control. Lucking cars dodged her and she didn’t get hurt or worse."

Powertrain & Transmission ODI #11555136
Filed: 11/14/2023
Defect Report

"Placed car in park got out to open a gate. Car took off forward even when shifter was in Park Position and almost ran a child over."

Driver Assistance & Safety Tech ODI #11540589
Filed: 08/24/2023
Defect Report

"Center Console Display blank (screen black) upon startup unable to see cameras and backing up affected creating safety concern."

Air Bags & Restraints ODI #11520150
Filed: 05/02/2023
Defect Report

"seatbelts in rear are inoperable/anti theft not working. Kia dealership told me that its not their issue about the anti theft. I have been told on 3 separate occasions that my seatbelts have been ordered but they haven’t!!!! No one is following up with me, when I call I get told “until they can get..."

Multi-Year Trend

Complaint History for Kia Rio

Reported defect complaint volume across sibling model years (2015–2023)

Model Year NHTSA Complaints Crash Reports Safety Recalls Detailed Report
2015 Kia Rio 52 4 1 View 2015 Problems →
2016 Kia Rio 77 7 2 View 2016 Problems →
2017 Kia Rio 31 3 2 View 2017 Problems →
2018 Kia Rio 28 3 1 View 2018 Problems →
2019 Kia Rio 21 4 1 View 2019 Problems →
2020 Kia Rio 26 3 1 View 2020 Problems →
2021 Kia Rio Current Page 15 2 2 Current
2022 Kia Rio 11 2 1 View 2022 Problems →
2023 Kia Rio 12 0 0 View 2023 Problems →
Exhaustive System Audit

Detailed NHTSA Component Breakdown for 2021 Kia Rio

Complete distribution of consumer defect reports across all 12 granular NHTSA system and subsystem classifications

Vehicle Component / System Total Complaints Crash Reports Fire Reports Injury Entries Fatality Entries
Other / Uncategorized NHTSA category: UNKNOWN OR OTHER 3 0 0 0 0
Service Brakes NHTSA category: SERVICE BRAKES 2 1 0 0 0
ELECTRICAL SYSTEM,BACK OVER PREVENTION 1 0 0 0 0
Engine NHTSA category: ENGINE 1 0 0 0 0
ENGINE,FUEL/PROPULSION SYSTEM 1 0 0 0 0
Powertrain NHTSA category: POWER TRAIN 1 0 0 0 0
POWER TRAIN,UNKNOWN OR OTHER 1 0 0 0 0
SEAT BELTS,UNKNOWN OR OTHER 1 0 0 0 0
Steering NHTSA category: STEERING 1 0 0 0 0
STEERING,LANE DEPARTURE 1 0 0 0 0
STEERING,SERVICE BRAKES 1 1 0 0 0
STEERING,UNKNOWN OR OTHER 1 0 0 0 0
Search Intelligence

Quick Answers: Common Problems & Reliability Questions for the 2021 Kia Rio

Direct, deterministic answers synthesized from verified United States government databases for the 2021 Kia Rio

What are the most common reported problems with the 2021 Kia Rio?

In official NHTSA consumer records, the most frequently cited issue area for the 2021 Kia Rio is Steering System, appearing in 4 records (26.7% of submitted filings).

Secondary reported categories include Brakes & Traction Control (3) and Powertrain & Transmission (2).

Source: NHTSA Office of Defects Investigation (ODI)

Is the 2021 Kia Rio a reliable vehicle?

AutoUtility does not issue subjective reliability scores or commercial ratings. In official United States government records, NHTSA tracks 15 consumer defect complaints and 2 safety recall campaigns for the 2021 Kia Rio.

Reviewing documented component complaint distributions, recall remedy notices, and active federal investigations provides an objective, evidence-based view of the vehicle's historical safety and defect record.

Source: NHTSA ODI & Safety Recalls Databases

Are there crash, fire, or injury reports associated with the 2021 Kia Rio?

Among consumer complaint records on file with NHTSA for the 2021 Kia Rio, 2 filings cite a crash, 0 cite smoke or fire, and 0 report one or more injuries.

Incident entries represent consumer descriptions at the time of submission to federal authorities and do not establish mechanical causation or legal liability.

Source: NHTSA Office of Defects Investigation Consumer Logs
Official US Government Data Provenance

The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database under 49 CFR Part 576.

Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.