Home · 2026 Hyundai Ioniq 9 Bev · Complaints

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 · Brakes · clear filters

Nov 18, 2025Brakes

When my Ioniq 9 was in reverse, the brake did not work. The car kept rolling and I had to turn it off to stop the car.

NHTSA ODI 11700195

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 →