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2021 Hyundai Ioniq Hev
Solid pick. The public record on this car is clean for its age. Inspect it, then negotiate with confidence.
13 owner complaints · 0 recalls · data verified July 17, 2026 · source: NHTSA
Why buy?
Very few owner complaints for its age and sales volume.
Zero recalls, rare for a car this age.
The math, shown
Full methodology →Complaints filed per year
Fading = early teething worked out. Climbing = problems aging in.
How it crashes
NHTSA’s own crash tests, separate from the reliability score above.
NHTSA crash-tested this model year but didn’t publish an overall star rating for it.
1 open NHTSA defect investigation on file for this model year, separate from the recalls above.
Source: nhtsa.gov/ratings. Star ratings compare vehicles within the same class and size, not across every car on the road.
The road ahead
What breaks on a 2021 Hyundai Ioniq Hev, plotted where owners report it happening.
Also reported (mileage varies): Electrical system (7)
Mileage medians come from owners who mentioned an odometer reading in their NHTSA complaint, a rough guide, not a schedule.
Electrical system
54%7 complaints
“I’m driving with cruise control on the highway at 65 and all of a sudden it shuts off. The check cruise system light comes on along with a triangle with an exclamation…”
Brakes
23%3 complaints · 1 in the last 2 years
“Auto brake fault has been a constant issue with this 2021 Hyundai Ioniq Hybrid. This causes lots of system functions to stop working (adaptive crusice control, lane ke…”
Driver assistance
23%3 complaints
“I’m driving with cruise control on the highway at 65 and all of a sudden it shuts off. The check cruise system light comes on along with a triangle with an exclamation…”
Speed control
15%2 complaints
“I’m driving with cruise control on the highway at 65 and all of a sudden it shuts off. The check cruise system light comes on along with a triangle with an exclamation…”
Recalls (0)
No recall campaigns on file for this model year.
Before you hand over money
Check the VIN for open recalls
NHTSA’s free lookup shows whether this exact car had its recall remedies completed.
Free NHTSA VIN check ↗Get a pre-purchase inspection
A $150 to $250 independent inspection of this exact 2021 Hyundai IONIQ HEV beats every score on the internet, including ours.
What to ask forNot set on the 2021? See how every Ioniq Hev model year scores →
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What owners say
Real owners of this exact model-year, shown separately from the NHTSA score. If they disagree, that’s worth knowing.