Hyundai Ioniq 9 Problems by Model Year

NHTSA recorded 37 consumer complaints across the 1 model years of the Hyundai Ioniq 9 (2026–2026) that have at least 5 complaints. 2026 has the most, with 37. Across all years, the part named most often is electrical system (20 mentions). Pick a model year below to see its parts, mileage, recalls and service bulletins.

All Ioniq 9 model years

Years with fewer than 5 complaints are not listed. The score compares years of the same model, allowing for the era and for how long each year has collected complaints: 50 is a typical year, lower means fewer complaints. It is not adjusted for sales volume.

Parts named most often, all years

Counts add up complaint mentions across the listed years. A complaint can name several parts.

• Electrical system20 38%
• Fuel system9 17%
• Transmission and drivetrain6 11%
• Other or unknown5 9.4%
• Forward collision avoidance5 9.4%
• Vehicle speed control4 7.5%
• Body and structure2 3.8%
• Seats2 3.8%

Example complaints

One per model year, chosen for length and detail. Personal details are removed. They are consumer reports, not findings.

Other Hyundai models

All Hyundai models →