The Verdict
Worst problem area
Electrical
Electrical leads by volume: 20 of 39 complaints (51%) mention it. Complaints mentioning Body, Seats & Latches include more reported injuries (5) than those mentioning any other identified area.
At a glance
- NHTSA complaints
- 39
- Recall campaigns
- 3
- EPA fuel cost per year
- $850–$900
- Combined MPG
- 85–92
Complaints by model year
Where owners report problems
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Cost, Fuel Economy & Complaint History
| Category | 2026 | 2027 | vs. 2026 Standard Sport Utility Vehicle 4WD |
|---|---|---|---|
| Annual fuel cost ($) | 850–900 | 850–900 | |
| Combined MPGe | 85–92 | 85–92 | |
| City / Highway MPGe | 91–103 / 78–81 | 91–103 / 78–81 | |
| CO₂ tailpipe (g/mi) | 0 | 0 | |
| Complaints filed | 39 | 0 | |
| Recalls issued | 3 | 0 | |
| Crash-involved complaints | 0 | 0 | |
| Fire-involved complaints | 0 | 0 | |
| Injuries reported | 5 | 0 | |
| Deaths reported | 0 | 0 | |
| Configurations compared | 2 | 2 |
Not compared: this database has no vehicle sales or registration figures, so a raw count mostly reflects how many were sold, not how safe the vehicle is.
Common questions
How many recalls does the 2026 Hyundai Ioniq 9 have?
3 NHTSA recall campaigns as of Nov 7, 2026. Check your VIN with NHTSA to see whether one applies to your car.
What is the most common complaint about the 2026 Hyundai Ioniq 9?
Electrical: 20 of 39 NHTSA complaints (51%) mention it.
What gas mileage does the 2026 Hyundai Ioniq 9 get?
EPA rates it 85–92 MPGe combined.
How much does it cost to fuel a 2026 Hyundai Ioniq 9?
EPA estimates $850–$900 a year in fuel costs, using EPA's assumptions.
Similar Vehicles
EPA-Rated Configurations (3)
| Configuration | Transmission | Cylinders | Displacement | Drivetrain | Fuel Type | Vehicle Class | City | Highway | Combined | Annual Fuel Cost | CO₂ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Configuration 1 | Automatic (A1) | — | — | Rear-Wheel Drive | Electricity | Standard Sport Utility Vehicle 2WD | 103 MPGe (high) | 81 MPGe (high) | 92 MPGe (high) | $850 (low) | 0 g/mi |
| Configuration 2 | Automatic (A1) | — | — | All-Wheel Drive | Electricity | Standard Sport Utility Vehicle 4WD | 98 MPGe | 78 MPGe (low) | 88 MPGe | $850 (low) | 0 g/mi |
| Configuration 3 | Automatic (A1) | — | — | All-Wheel Drive | Electricity | Standard Sport Utility Vehicle 4WD | 91 MPGe (low) | 79 MPGe | 85 MPGe (low) | $900 (high) | 0 g/mi |
Complaints by Category
| Category | Complaints | Crash-Involved | Fire-Involved | Injuries | Deaths |
|---|---|---|---|---|---|
| Engine | 2 | 0 | 0 | 0 | 0 |
| Transmission & Drivetrain | 7 | 0 | 0 | 0 | 0 |
| Fuel System | 10 | 0 | 0 | 0 | 0 |
| Electrical | 20 | 0 | 0 | 1 | 0 |
| Brakes | 1 | 0 | 0 | 0 | 0 |
| Steering | 0 | 0 | 0 | 0 | 0 |
| Suspension, Wheels & Tires | 2 | 0 | 0 | 0 | 0 |
| Airbags & Restraints | 1 | 0 | 0 | 2 | 0 |
| Driver Assistance & Speed Control | 9 | 0 | 0 | 0 | 0 |
| Body, Seats & Latches | 5 | 0 | 0 | 5 | 0 |
| Visibility & Lighting | 1 | 0 | 0 | 0 | 0 |
| Other | 5 | 0 | 0 | 0 | 0 |
A complaint that names more than one category is counted in each, so the rows can add up to more than the total number of complaints.
Recalls (3)
SEATS:MID/REAR ASSEMBLY:POWER ADJUST
- Defect
- 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. As a result, the seats may continue to move after contacting a person during powered seat functions, such as automatic power fold-and-stow.
- Consequence
- A person, especially a child, may become trapped by a rear powered seat, increasing the risk of injury.
- 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 power-folding operation. The seat software will be inspected and updated over-the-air (OTA) or by a dealer, as necessary, free of charge. Owner notification letters are expected to be mailed October 1, 2026. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 307. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on September 12, 2026.
SUSPENSION:CRITICAL FASTENERS
- Defect
- 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.
- Consequence
- A loss of vehicle control increases the risk of a crash.
- 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. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 303. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on May 20, 2026.
ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
- Defect
- 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.
- Consequence
- An electrical short in the high voltage battery system increases the risk of a fire.
- 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. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 294. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on February 7, 2026.