2019 Hyundai Ioniq Hybrid: Reliability Data

Source: NHTSA — 30 complaints
30
Total Complaints
33,500mi
Median Mileage
VEHICLE SPEED CONTROL
Top Issue
11
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

7,141 25th Percentile
33,500 Median Mileage
33,500 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

VEHICLE SPEED CONTROL
4
ENGINE
3
ELECTRICAL SYSTEM
3
SERVICE BRAKES
3
FUEL/PROPULSION SYSTEM
2
FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
2
UNKNOWN OR OTHER
2
FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
1
FORWARD COLLISION AVOIDANCE: WARNINGS
1
POWER TRAIN
1

Severity Assessment

11
Crashes
3
Fires
11
Injuries
0
Deaths

Sample Complaint Reports

"FOR THE SECOND COLD MORNING THIS YEAR MY IONIQ STALLED. I WAS PARKED IN MY DRIVEWAY. TEMPERATURE WAS -3F, I PRESS THE POWER BUTTON, CAR TRIED TO START AND STALLED THREE TIMES IN A ROW THEN GOT A CHECK HYBRID SYSTEM WARNING MESSAGE. I TURNED THE CAR OFF THEN ON AGAIN AND IT STARTED TO STALL, I DEPRE..."
"FOR THE SECOND COLD MORNING THIS YEAR MY IONIQ STALLED. I WAS PARKED IN MY DRIVEWAY. TEMPERATURE WAS -3F, I PRESS THE POWER BUTTON, CAR TRIED TO START AND STALLED THREE TIMES IN A ROW THEN GOT A CHECK HYBRID SYSTEM WARNING MESSAGE. I TURNED THE CAR OFF THEN ON AGAIN AND IT STARTED TO STALL, I DEPRE..."
"RECALL WORK WAS PERFORMED TO FIX ANY POSSIBLE OVERHEATING ISSUES. A MONTH LATER I NOTICE ME HEATER NOT WORKING AND THEN IT STARTS OVER HEATING AND SMOKING FROM THE BACK, I TAKE IT IN AND THEY CLAIM THAT IT'S JUST A BUBBLE IN THE RADIATOR. ON 04/21/2020 ABOUT A MONTH LATER WITHOUT ANY WARNING LIGHTS ..."

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