Verdict
2021 Hyundai Ioniq: Complaints, Recalls & Known Issues
What the public record actually says about the 2021 Hyundai Ioniq — every figure below is a NHTSA or EPA number, not an opinion.
The read
More reported complaints than most hatchback.
Owners filed 19 NHTSA complaints — more complaints than 67% of 2021 hatchbacks. Electrical System leads the reports (53%). No safety recalls on record.
Based on NHTSA complaint volume against 2021 hatchbacks, not adjusted for how many were sold. It describes the model year, not the individual car you are looking at.
Complaints filed
19
Reports to NHTSA, 2021
Safety recalls
0
NHTSA campaigns on record
NHTSA crash test
Not rated
Overall NCAP rating
Combined MPG
55
EPA estimate
Complaint volume vs. segment peers
More complaints than 67% of 2021 hatchbacks
The bar is this car's percentile among 2021 hatchbacks by complaint volume — a full bar means the fewest complaints in its class. Not adjusted for sales.
Known issues
Electrical System issues lead owner complaints (53% of 19 reports), followed by unknown or other (16%).
Share of all 19 NHTSA complaints for this model year, grouped by the component owners named. Bars are scaled to the largest category. Examples: ODI 11677617, ODI 11541595, ODI 11536725, ODI 11480581, ODI 11480269.
Recalls
0 recalls — none issued for this model year as of Jul 2026. Recall records can change as NHTSA publishes new campaigns.
A campaign can apply to this model year without being incomplete on a specific vehicle. Check the VIN with NHTSA or a dealer to confirm whether a particular car needs repair.
Investigations
0 NHTSA investigations on record
No investigations are on record as of Jul 2026. An empty record is not a clean bill of health.
Crash-test ratings
No NHTSA crash test is on record for this year. Some vehicles and model years were not tested or do not have a published NCAP result.
Fuel economy by trim
| Trim | Engine | Drivetrain | Transmission | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Ioniq | 1.6L 4-cyl | Front-Wheel Drive | Automatic (AM-S6) | 54 | 56 | 55 |
EPA laboratory estimates by trim and engine. Actual mileage varies with driving, weather, load, and maintenance. EPA source.
Before you buy
Useful next checks
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Compare model years
"Fewest reports" and "most complained" describe raw NHTSA complaint totals, not vehicle reliability. The last few model years are left unlabelled because they have had less road time.
2021 Hyundai Ioniq: frequently asked
What does the complaint record show for the 2021 Hyundai Ioniq?
Owners filed 19 NHTSA complaints about the 2021 Hyundai Ioniq — more complaints than 67% of comparable 2021 hatchbacks, so it sits toward the weaker end of its class. That's a signal, not a guarantee about any single car.
What are the most common problems on the 2021 Hyundai Ioniq?
The most-reported problem areas are Electrical System (53% of complaints) and unknown or other (16%).
How many recalls does the 2021 Hyundai Ioniq have?
No safety recalls are on record for the 2021 Hyundai Ioniq as of Jul 2026.
What gas mileage does the 2021 Hyundai Ioniq get?
The EPA rates the 2021 Hyundai Ioniq at 55 mpg combined.