2021 Hyundai Ioniq Safety Report
2021 Hyundai Ioniq shows low overall complaints but recurring electrical system issues with Auto Hold/EPB affecting driver aids.
AI Safety Analysis for the 2021 Hyundai Ioniq
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:
| Issue | Severity | Frequency | Typical 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:
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.
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.
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.
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.