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What 25 owners told NHTSA about the 2026 Hyundai Ioniq 9 Bev

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (25)Crash / fire / injury (3)Electrical system (17)Fuel system (6)Transmission & drivetrain (5)Driver assistance (4)Speed control (4)Lane Departure (2)Seats (2)Body & structure (1)Brakes (1)Engine (1)

1 of 25 complaints match · Engine · clear filters

May 10, 2026Electrical systemSpeed controlEngine

Was driving down the highway when Check: electric vehicle system warning came on and car slowed suddenly and wouldnt go past 41MPH. Within a min, the car slowed down further and just as I was pulling on the shoulder. Car didnt have power to move after.

NHTSA ODI 11736905

Working with the data? Download all 25 complaints as CSV · fetched from NHTSA July 19, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2026 Hyundai Ioniq 9 Bev verdict →