Complaints by model year
| Year | Complaints | vs. typical* | Recalls | Top problem | Verdict |
|---|---|---|---|---|---|
| 2026 | 37 | — | 3 | Electrical | Limited data |
* Complaints compared with the median Ioniq 9 year at the same age, so new and old years are judged fairly. How this works.
Most common Hyundai Ioniq 9 problems
Latest Hyundai Ioniq 9 recalls
Seats › Mid/rear assembly › Power adjust
Hyundai Motor America (Hyundai) is recalling certain 2026 Ioniq 9 vehicles equipped with a Limited, Calligraphy, or Calligraphy Design trim package. The second-row power seats may fail to detect a person.
Remedy: Owners are advised to exercise caution when operating the second-row power seat functions until the repair is performed. Children are advised not to be in the rear seats or near the rear seating area during…
Suspension › Critical fasteners
Hyundai Motor America (Hyundai) is recalling certain 2025 Ioniq 5 and 2026 Ioniq 9 vehicles. The fasteners for the rear suspension may loosen and detach, which can result in a loss of vehicle control.
Remedy: Dealers will inspect and replace the rear suspension fasteners and perform a rear vehicle alignment, as necessary, free of charge. Owner notification letters are expected to be mailed July 17, 2026.
Electrical system › Propulsion system › Traction battery
Hyundai Motor America (Hyundai) is recalling certain 2025-2026 IONIQ 5 and 2026 IONIQ 9 vehicles. The high voltage battery system may contain an improperly tightened bus bar, which can cause a short-circuit.
Remedy: Dealers will inspect and tighten the bus bar retention bolts and replace the battery system assembly, as necessary, free of charge. Owner notification letters were mailed April 3, 2026.
Frequently asked questions
What years of the Hyundai Ioniq 9 should you avoid?
None of the Hyundai Ioniq 9 years has an unusually high number of complaints compared with the others at the same age.
What are the most common Hyundai Ioniq 9 problems?
Across all years, owners report the most problems with the electrical system (20), fuel & propulsion system (9) and driver assistance (6). Electrical complaints peak in the 2026 model year.
How many recalls has the Hyundai Ioniq 9 had?
3 recalls across 2026. The model year with the most is 2026. See all Hyundai Ioniq 9 recalls by year.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.