2021 Hyundai Ioniq Hybrid: Reliability Data

Source: NHTSA — 20 complaints
20
Total Complaints
ELECTRICAL SYSTEM
Top Issue
0
Crash Reports

What Fails?

Most reported component issues from NHTSA complaints.

ELECTRICAL SYSTEM
6
FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
3
UNKNOWN OR OTHER
3
SERVICE BRAKES
3
VEHICLE SPEED CONTROL
2
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
1
ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS
1
ENGINE
1

Severity Assessment

0
Crashes
0
Fires
0
Injuries
0
Deaths

Sample Complaint Reports

"06/08/21 first day I brought my new car Hyundai Ioniq 2021 model at Hyundai Lincolnwood. After use the car about 2 months, the engine light has been showing up that something wrong about the auto hold and EPB. So I made an appointment for inspect in the next day. 09/21/21 - they were called to let ..."
"The contact owns a 2021 Hyundai Ioniq Hybrid. The contact stated that upon starting the vehicle, the auto-hold warning light would illuminate on the instrument panel. The contact had taken the vehicle to a dealer however, the mechanic was unable to determine the cause of the failure. The contact was..."
"Two different scenarios with this cruise control are problems with this vehicle. When it is raining the system with the cruise control does not work and the shop told me it happens with other vehicles. A warning light appears when this happens. This last time it was not raining and the cruise contro..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28