Hyundai

Hyundai Ioniq 9 problems by year

Newest report Sep 22, 2026 · checked Oct 2, 2026

Pick your model year

Owner complaints on file for each year.

Where the complaints sit: The 2026 has the most complaints of any Hyundai Ioniq 9 year here: 36 of 36 (100%).
Problem across the years: Dead battery is the top problem in every model year with a page, 7 reports in all.
Crash, fire and injury reports: 8% of Hyundai Ioniq 9 complaints report a crash, a fire or an injury, against 6% for the typical vehicle on this site.
Recalls on the top problem: Every model year where owners report dead battery also has a recall on the same system. A recall on the same system doesn't always cover the failure owners describe, so compare its summary with the complaints.
When owners filed: Every complaint so far came in during 2025. So far in 2026, 32 more have come in.

Year	Complaints	A year	Recalls	Most reported	Median miles
2026	36	new	3	Battery dies or the car will not start (7)	8,000

36 owner complaints so far; too new to call. 3 recalls, including 26V-068 on the electrical system and 26V-588 on the seats.

Dead battery, with 7 reports across the 1 model years that have a page here. It's the single most reported problem on the 2026.

3 recall campaigns cover the Hyundai Ioniq 9 model years 2026 on this site.

8% of them, against 6% for the typical vehicle on this site.

Yes, on every model year where owners report it.