2021 Hyundai Ioniq Safety Report

2021 Hyundai Ioniq shows low overall complaints but recurring electrical system issues with Auto Hold/EPB affecting driver aids.

18Complaints
0Recalls
70/100Reliability Score
Most reported components: Electrical System (6)Service Brakes (2)Electrical System,Vehicle Speed Control,Forward Collision Avoidance (2)Electrical System,Service Brakes (1)Unknown Or Other,Service Brakes,Forward Collision Avoidance (1)Engine (1)Unknown Or Other,Service Brakes (1)Electrical System,Unknown Or Other,Forward Collision Avoidance (1)Unknown Or Other (1)Back Over Prevention (1)

AI Safety Analysis for the 2021 Hyundai Ioniq

The 2021 Hyundai Ioniq exhibits a relatively low number of NHTSA complaints, with 18 total, and no reported crashes, fires, injuries, or deaths. This suggests a generally safe vehicle in terms of severe incident occurrence. However, a significant pattern emerges from the complaint data, with 6 out of 18 complaints (33%) directly related to the 'ELECTRICAL SYSTEM' and specifically involving the 'Auto Hold' and 'Electronic Parking Brake (EPB)' features. These issues often lead to the deactivation of cruise control and other safety features like lane keeping assist, posing potential safety concerns during driving. The vehicle has no open recalls, indicating that these reported issues have not yet reached a threshold for manufacturer-mandated corrective action. Crash test performance data from NHTSA is not available for the 2021 Hyundai Ioniq, making it impossible to assess its structural integrity or occupant protection in a collision based on these ratings. The absence of recalls is positive, but the recurring electrical system malfunctions, particularly those affecting critical driving aids, warrant attention. While the overall complaint volume is low, the concentration of issues around the Auto Hold/EPB system is a notable concern. In summary, the 2021 Hyundai Ioniq appears to be free from widespread, severe safety defects like fires or major structural failures, as evidenced by the lack of such reports and recalls. However, the consistent complaints regarding the electrical system's interaction with the Auto Hold and EPB, which can disable cruise control and other driver-assist features, represent a recurring functional safety issue. Buyers should be aware of these potential electrical system glitches, despite the overall low complaint count.

Reliability Score

The 2021 Hyundai Ioniq receives a reliability score of 70 out of 100 based on analysis of NHTSA complaint data, recall history, crash reports, and safety ratings. This indicates above-average reliability relative to comparable vehicles.

Known Issues for the 2021 Hyundai Ioniq

The following issues have been identified from NHTSA complaint data and owner reports for the 2021 Hyundai Ioniq:

IssueSeverityFrequencyTypical Mileage
Auto Hold/Epb Malfunction
The 'Auto Hold' and 'Electronic Parking Brake (EPB)' warning lights illuminate randomly, often deactivating cruise control, lane keeping assist, and other safety features. This issue has been reported since purchase and often requires vehicle reset or dealership intervention, with some cases pointing to an electronic brake control module needing replacement.
Medium Common 0-30000 miles
Cruise Control Deactivation
Cruise control unexpectedly shuts off while driving, often accompanied by warning lights for 'check cruise system' or 'smart cruise control conditions not met'. This is frequently linked to the Auto Hold/EPB malfunction.
Medium Occasional 0-30000 miles
Vehicle Failure To Accelerate/Engine Revving
Vehicle fails to accelerate despite engine revving, as if in neutral, particularly in stop-and-go traffic. One complaint also noted abnormal rattling and illuminated check engine/oil warning lights.
High Rare unknown miles
Vehicle Not Starting/Restarting
Vehicle fails to start or restart after being turned off, requiring jumpstarting or towing. One instance involved an EV model.
High Rare unknown miles

Common Problems Reported by Owners

Based on NHTSA complaint data, the following components account for the majority of reported issues with the 2021 Hyundai Ioniq:

Electrical System 33% of complaints

A significant portion of complaints (6 out of 18) are related to the electrical system, primarily concerning the Auto Hold and Electronic Parking Brake (EPB) functions, which can disable cruise control and other driver-assist features.

Service Brakes 11% of complaints

Two complaints specifically mention 'SERVICE BRAKES' in conjunction with electrical system issues, indicating a potential link between the braking system's electronic controls and the Auto Hold/EPB malfunctions.

Forward Collision Avoidance 11% of complaints

Two complaints mention 'FORWARD COLLISION AVOIDANCE' in combination with electrical system and vehicle speed control issues, suggesting that the electrical malfunctions can impact advanced safety features.

Engine 5% of complaints

One complaint reported an engine issue involving abnormal rattling, failure to accelerate, and illuminated check engine/oil warning lights.

Frequently Asked Questions About the 2021 Hyundai Ioniq

Is the 2021 Hyundai Ioniq safe?

Based on NHTSA data, the 2021 Hyundai Ioniq has a low number of overall complaints (18 total) and no reported crashes, fires, injuries, or deaths. However, there are recurring electrical system issues, particularly with the 'Auto Hold' and 'Electronic Parking Brake' features, which can disable cruise control and other driver-assist systems. NHTSA crash test ratings are not available for this model year.

What are common problems with the 2021 Hyundai Ioniq?

The most reported issues are related to the 'ELECTRICAL SYSTEM' (33% of complaints), specifically malfunctions of the 'Auto Hold' and 'Electronic Parking Brake (EPB)' features. These often lead to the deactivation of cruise control and other safety aids. Other less frequent issues include vehicle failure to accelerate and starting problems.

Are there any recalls for the 2021 Hyundai Ioniq?

No, there are currently no open recalls issued by NHTSA for the 2021 Hyundai Ioniq.

How does the 2021 Hyundai Ioniq perform in crash tests?

NHTSA has not provided overall, frontal, side, or rollover crash test ratings for the 2021 Hyundai Ioniq, so its crash test performance cannot be assessed based on this data.

What should I look out for if buying a used 2021 Hyundai Ioniq?

When considering a used 2021 Hyundai Ioniq, pay close attention to the functionality of the 'Auto Hold' and 'Electronic Parking Brake' systems. Test the cruise control and observe if any warning lights related to these features or other driver-assist systems illuminate unexpectedly during a test drive. Inquire about any past electrical system repairs or module replacements.

Buyer Advice

Our recommendation: While the 2021 Hyundai Ioniq has a low overall complaint volume and no recalls, be aware of potential recurring electrical system issues affecting the Auto Hold, EPB, and associated driver-assist features. Thoroughly test these systems during a pre-purchase inspection.

NHTSA Data Summary for 2021 Hyundai Ioniq

This safety report is based on a comprehensive analysis of data from the National Highway Traffic Safety Administration (NHTSA) for the 2021 Hyundai Ioniq. The data includes 18 consumer complaints filed by vehicle owners, 0 manufacturer-initiated safety recalls, and safety rating assessments associated with this vehicle.

All data presented in this report is sourced from public NHTSA databases. Our AI analysis identifies patterns across complaint narratives, correlates them with recall history, and produces the safety assessment above. This analysis is updated as new complaints and recalls are filed with the NHTSA.

Consumers are encouraged to report vehicle safety problems to the NHTSA at nhtsa.gov. If your vehicle is subject to a recall, contact your dealer to schedule the free repair.