MPGe is the distance a car covers on 33.7 kWh, the energy in a gallon of gasoline. Across 2 EPA ratings of the Ioniq 9 since 2026 it has averaged 92 MPGe, and the 2027 model trails the 99.9 MPGe average of other electric cars rated 2025–2027. The EPA's own annual figure for it is $850.
Every Hyundai Ioniq 9 version, compared
The Hyundai Ioniq 9 was rated in a single specification, so its consumption does not vary by version — only by model year. Yearly cost assumes 12,000 miles at $0.17 a kilowatt-hour.
| Version | Combined MPGe | City / Highway | Years | Charging per year |
|---|---|---|---|---|
| Electric | 103 / 81 | 2026–2027 | $747 |
What that actually costs
| Measure | Value |
|---|---|
| Energy use (2027) | 36.6 kWh per 100 miles |
| Cost per mile | $0.062 |
| Charging per year | $747 |
| Charging over five years | $3,735 |
| Against other Electric cars, 2025–2027 | +$60 a year |
| EPA's own estimate | $850 a year |
City or highway — who is this car for
The 2027 Hyundai Ioniq 9 does better in town than out of it: 103 in the city against 81 on the highway, $182 a year in favor of city driving.
| Measure | Value | Reading |
|---|---|---|
| City (2027) | 103 MPGe | $667 a year if you only drive in town |
| Highway | 81 MPGe | $849 a year if you mostly commute |
| Gap | -22 MPGe (-21%) | Reversed — it does better in town than on the open road |
How the Ioniq 9 changed over the years
Combined figure across the 2 model years the Ioniq 9 was rated in, all of them at 92 MPGe.
| Model year | Combined MPGe | City / Highway | Versions offered | Charging per year |
|---|---|---|---|---|
| 2027 | 103 / 81 | 1 | $747 | |
| 2026 | 103 / 81 | 1 | $747 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 2 EPA ratings of the Hyundai Ioniq 9 — 1 engine across 2026–2027. The mileage is EPA's laboratory figure, unchanged; the yearly bill is ours, at 12,000 miles and $0.17 a kilowatt-hour, against EPA's own estimate of $850. Full method.
Frequently asked questions
What is the 2027 Hyundai Ioniq 9 rated at?
92 MPGe combined, 103 city and 81 highway, per EPA. Across every year since 2026 the Ioniq 9 has averaged 92 MPGe.
Is the 2027 Ioniq 9 more efficient than the 2026?
About the same: 92 against 92 MPGe combined.
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