Total Complaints
1 filings
HYUNDAI IONIQ · model year
2020 HYUNDAI IONIQ
1 NHTSA complaints for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2020HYUNDAIIONIQ carries 1 consumer safety complaint in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2020 IONIQ is electrical system with 1 filings. Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 37 investigation files overlapping the 2020 IONIQ, and 1 remain open. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
1
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
Complaints vs. fleet median (215)
At or below the fleet median complaint volume.
Complaints by Component
| Component | Count |
|---|---|
| ELECTRICAL SYSTEM | 1 |
Recent Complaints
20250404ELECTRICAL SYSTEM
The contact owns a 2020 Hyundai Ioniq. The contact stated that while driving at undisclosed speeds, the vehicle stalled. No warning lights were illuminated. The contact was able to restart the vehicle. The vehicle was taken to the dealer where it was diagnosed and determined that the battery had overheated. The vehicle was not repaired. The contact stated that on a separate occasion, while driving at undisclosed speeds, the vehicle stalled. No warning lights were illuminated. The vehicle was taken back to the dealer; however, no cause for the failure was found. The contact stated that on the way home, there was an abnormal ticking sound was coming from the vehicle. The contact stated that the electrical system on the vehicle had failed, and the doors and the trunk failed to open. No warning lights were illuminated. The vehicle was taken to the dealer; however, the contact was unsure if the vehicle was repaired. The vehicle remained at the dealer and had not been driven since the failur
Mileage: 22,400
Compare 2020HYUNDAIIONIQ to Similar Vehicles
NHTSA Investigations 1 Open
Frequently Asked Questions
How many complaints does the 2020 HYUNDAI IONIQ have?▼
The 2020 HYUNDAI IONIQ has 1 NHTSA complaints, 0 crashes, 0 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 2020 HYUNDAI IONIQ?▼
The most-complained component for the 2020 HYUNDAI IONIQ is ELECTRICAL SYSTEM with 1 complaints. Other frequently reported areas include various components.
Is the 2020 HYUNDAI IONIQ safe to buy?▼
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?▼
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.
Vehicle Safety Guides
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.