The 2026 Hyundai Ioniq 9 is rated 85 to 92 MPGe combined (miles per gallon of gasoline energy). The best is the 2026 Ioniq 9 RWD at 92 MPGe with a range of 335 miles.
Among the electric and fuel-cell models in the Standard Sport Utility Vehicle 4WD class for 2026, the Ioniq 9 ranks 12th (tied with 1 other) of 19 for combined mileage (88 MPGe) and 10th (tied with 3 others) of 19 for yearly fuel cost ($850 for its cheapest version, cheapest first). The middle model of the class gets 90 MPGe and costs $850 a year.
Open the best-mileage list of this class for 2026. Cost and CO2 in the table are each model's lowest figure over its versions; plug-in hybrid and fuel-cell versions have no fuel cost and are left out of the cost column.
| Place | Model | Best version | MPGe | Fuel a year, cheapest version |
|---|---|---|---|---|
| 9 | 2026 Jeep Wagoneer | 2026 Wagoneer S AWD (Falken tire) | 93 | $800 |
| 10 | 2026 Polestar 3 | 2026 3 Long Range Dual Motor (21 Inch Wheels) | 90 | $850 |
| 11 | 2026 Acura ZDX | 2026 ZDX AWD | 89 | $850 |
| 12 | 2026 Hyundai Ioniq 9This car | 2026 Ioniq 9 AWD | 88 | $850 |
| 12 | 2026 Volvo EX90 | 2026 EX90 Twin Motor (21 Inch Wheels) | 88 | $850 |
| 14 | 2026 Cadillac VISTIQ | 2026 VISTIQ (11 kW Charger) | 86 | $900 |
| 15 | 2026 Polestar 4 | 2026 4 Long Range Dual Motor | 85 | $900 |
Pick a 2026 version, then set your miles and fuel price. Fuel price as of 2026-11-14, U.S. Department of Energy / EPA. The price box starts at the dated price of the fuel the picked version burns (regular, midgrade or premium gasoline, diesel, E85 or electricity) and sets the price of that fuel. Miles are limited to 1,000 to 60,000 a year and the price to $0.01 to $20.00; a value outside that is worked out at the nearest limit.
2026 Ioniq 9 RWD, Electric: 103 MPGe city, 81 highway, 92 combined. The agency's own estimate for the 2026 Ioniq 9 version is $850 a year (15,000 miles, the agency's fuel prices).
The 3 nearest rivals in the Standard Sport Utility Vehicle 4WD class for 2026, picked by closest combined mileage; only versions with a fuel-cost figure are listed. Same miles as on the left. The price box on the left is the price of the fuel of the version you picked: a rival that burns the same fuel uses that price, a rival that burns another fuel keeps the dated price of its own fuel. The 5-year line is 5 times the yearly gap.
The EX90 costs $50 less to fuel each year.
Over 5 years the EX90 costs $250 less to fuel than the Ioniq 9 (5 times the yearly difference, at these miles and these prices).
Dollar gaps use each car's best-mileage version.
| Rival in 2026 | Best version | Combined | Fuel a year, agency (15,000 miles) | Against the Ioniq 9 (mileage) | Agency yearly fuel cost against the Ioniq 9 | Side by side |
|---|---|---|---|---|---|---|
| 2026 Volvo EX90 | 2026 EX90 Twin Motor (21 Inch Wheels) | 88 MPGe | $850 | 4 lower | same | - |
| 2026 Acura ZDX | 2026 ZDX AWD | 89 MPGe | $850 | 3 lower | same | - |
| 2026 Cadillac VISTIQ | 2026 VISTIQ (11 kW Charger) | 86 MPGe | $900 | 6 lower | $50 more a year | - |
EPA test figures for 2026; the last column is the yearly fuel cost against the cheapest version.
| Version | Engine | Gearbox | Drive | City | Highway | Combined | Fuel a year | CO2 g/mi | Range mi | Fuel vs cheapest |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026 Ioniq 9 RWDElectric | Electric | Automatic (A1) | Rear-wheel | 103 | 81 | 92 MPGe | $850 | - | 335 | cheapest |
| 2026 Ioniq 9 AWDElectric | Electric | Automatic (A1) | All-wheel | 98 | 78 | 88 MPGe | $850 | - | 320 | cheapest |
| 2026 Ioniq 9 AWD PerformanceElectric | Electric | Automatic (A1) | All-wheel | 91 | 79 | 85 MPGe | $900 | - | 311 | +$50 |
Enter the price difference you were quoted for the 2026 Ioniq 9; this page has no prices. Miles come from the calculator. The fuel price box there sets the price of the fuel of the version picked there; a version here that burns another fuel keeps the dated price of its own fuel. Versions with no fuel-cost figure are not listed.
Type the price difference you were quoted to see the payback.
Tailpipe CO2: the 2026 Ioniq 9 RWD puts out 0 grams per mile, the same for all 3 tested versions (electric: nothing leaves the tailpipe).
EPA scores (1 to 10, 10 best) for the 2026 Ioniq 9 RWD: fuel economy score 9, greenhouse gas score 10.
Cost per 100 miles uses electricity at $0.15 per kWh (as of 2026-11-14, U.S. Department of Energy / EPA). Plug-in hybrid range counts gasoline too.
| Version | Range mi | Charge at 240 V | MPGe | kWh per 100 mi | Cost per 100 mi |
|---|---|---|---|---|---|
| 2026 Ioniq 9 RWDElectric | 335 | 11.7 h | 92 | 37 | $5.55 |
| 2026 Ioniq 9 AWDElectric | 320 | 11.6 h | 88 | 38 | $5.70 |
| 2026 Ioniq 9 AWD PerformanceElectric | 311 | 11.5 h | 85 | 40 | $6.00 |
Best combined figure of the Ioniq 9 electric version each model year since 2016, set against the 2026 model.
| Model year | Best electric (MPGe) | Versions tested | Against 2026 |
|---|---|---|---|
| 2026This page | 92 MPGe | 3 | this page |
No 2025 Hyundai Ioniq 9 is in the agency's file, so there is no earlier year to compare with.
Crash-test stars from the U.S. safety agency's 5-Star Safety Ratings, checked 2026-11-14. 5 is the best.
| Vehicle | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2026 HYUNDAI IONIQ 9 SUV BEV AWD | 5 of 5 | 5 of 5 | 5 of 5 | 5 of 5 |
| 2026 HYUNDAI IONIQ 9 SUV BEV RWD | 5 of 5 | 5 of 5 | 5 of 5 | 5 of 5 |
The agency lists 2 variants; all 2 are shown.
The agency's record for the first rated vehicle also lists 39 complaints, 3 recalls, 0 investigations.
39 complaints for the 2026 Hyundai Ioniq 9 are on file (checked 2026-11-14). Complaints are reports that owners sent to the safety agency. They are not proven defects, and the counts are not adjusted for how many cars were sold.
| Part named in the reports | Reports | |
|---|---|---|
| Electrical System | 20 | |
| Fuel/Propulsion System | 10 | |
| Power Train | 7 | |
| Forward Collision Avoidance | 5 | |
| Unknown Or Other | 4 |
0 of the 39 reports say the car was in a crash, 0 mention a fire and 4 mention an injury. One report can name more than one part.
3 recalls are on file for the 2026 Hyundai Ioniq 9 at the U.S. safety agency (checked 2026-11-14). A dealer does recall repairs free of charge.
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.
Fix: Owners are advised to exercise caution when operating the second-row power seat functions until the repair is performed.
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.
Fix: 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.
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.
Fix: 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.
Other 2026 models of the same agency class, each with its best combined figure. The Ioniq 9 itself is at 88 MPGe.
More Hyundai models that have a 2026 page here, with the class of each and its best combined figure.
The 2026 Ioniq 9 RWD with 92 MPGe combined (103 city, 81 highway).
The 2026 Hyundai Ioniq 9 costs between $850 and $900 to fuel by the agency's estimate, which assumes 15,000 miles a year. The cheapest is the 2026 Ioniq 9 RWD at $850; the dearest is the 2026 Ioniq 9 AWD Performance at $900. Use the calculator above for your own miles and fuel price.
2026 Ioniq 9 AWD: 88 MPGe combined (98 city, 78 highway); 2026 Ioniq 9 AWD Performance: 85 MPGe combined (91 city, 79 highway).
The 2026 Hyundai Ioniq 9 is 12th of 19 for combined mileage. The top of the class is the 2026 Lucid Gravity at 111 MPGe. In the list, the next one ahead is the 2026 Acura ZDX at 89 MPGe and the next one behind is the 2026 Volvo EX90 at 88 MPGe.
2026 Ioniq 9 RWD: 335 miles; 2026 Ioniq 9 AWD: 320 miles; 2026 Ioniq 9 AWD Performance: 311 miles, by the agency's tests.
The 2026 Ioniq 9 RWD takes 11.7 hours for a full charge at 240 volts and uses 37 kWh per 100 miles, about $5.55 per 100 miles at $0.15 per kWh.
In the agency's 5-Star Safety Ratings (checked 2026-11-14; 5 is the best), the stars are 2026 HYUNDAI IONIQ 9 SUV BEV AWD: overall 5 of 5, front 5, side 5, rollover 5; 2026 HYUNDAI IONIQ 9 SUV BEV RWD: overall 5 of 5, front 5, side 5, rollover 5. The agency lists 2 variants; all 2 are shown.
39 complaints for the 2026 Hyundai Ioniq 9 are on file at the safety agency (checked 2026-11-14); the part named most often is Electrical System (20 reports). Complaints are reports owners sent in, not proven defects.
The agency's database lists 3 recalls for the 2026 Hyundai Ioniq 9 (checked 2026-11-14). They are listed above with the repair the maker offers.
For the 2026 Hyundai Ioniq 9: EPA file 2026-11-04; fuel price 2026-11-14; crash tests 2026-11-14; complaints 2026-11-14; recalls 2026-11-14. Not covered: purchase price, towing, reliability, repair and insurance costs.
Mileage and fuel cost for the 2026 Hyundai Ioniq 9: U.S. Environmental Protection Agency, fueleconomy.gov vehicle file (file dated 2026-11-04). Recalls for the 2026 Hyundai Ioniq 9: U.S. National Highway Traffic Safety Administration (checked 2026-11-14). Crash-test ratings for the 2026 Hyundai Ioniq 9: NHTSA 5-Star Safety Ratings (checked 2026-11-14). Complaints for the 2026 Hyundai Ioniq 9: NHTSA (checked 2026-11-14). Fuel prices: U.S. Department of Energy / EPA (2026-11-14). Your own mileage depends on how and where you drive. Where our numbers come from.