Reliability & cost of ownership
Hyundai Ioniq 9 Reliability & Common Problems
How reliable is the Hyundai Ioniq 9? Compare every model year side by side — NHTSA recalls, owner complaints, and crash-test stars — then open the year you're shopping for its AI reliability outlook where NHTSA has enough data.
Hyundai Ioniq 9 problems by model year
3 recall entries and 37 owner complaints on file across 1 model year, sourced from the federal NHTSA database.
| Year | Recalls | Complaints | NCAP stars | Full report |
|---|---|---|---|---|
| 2026 Ioniq 9 | 3 | 37 | No NCAP test | AI reliability outlook → |
Most-complained-about components
Owner complaints filed with NHTSA against the Hyundai Ioniq 9, grouped by the component each complaint names — the fastest read on where this model gives trouble.
- electrical system20 complaints
- fuel/propulsion system9 complaints
- power train6 complaints
- forward collision avoidance5 complaints
- vehicle speed control4 complaints
- unknown or other4 complaints
- seats2 complaints
- lane departure2 complaints