2026 head-to-head · Midsize & Large SUV
2026 Honda Prologue vs Hyundai Ioniq 9
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
The 2026 Honda Prologue is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity, it costs about $878 a year to fuel (104 MPGe), versus $999 for the 2026 Hyundai Ioniq 9 (92 MPGe). That's roughly $121 a year, or about $607 over five years.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- Honda Prologue
- Hyundai Ioniq 9
Side by side
| Honda Prologue | Hyundai Ioniq 9 | |
|---|---|---|
| $878 | Your annual fuel cost | $999 |
| 104 MPGe | Combined efficiency | 92 MPGe |
| 113 MPGe | City | 103 MPGe |
| 94 MPGe | Highway | 81 MPGe |
| 32.5 kWh | Electricity use (kWh/100 mi) | 37 kWh |
| 308 mi | Driving range | 335 mi |
| 107 cu ft | Passenger volume | — |
| 26 cu ft | Cargo volume | — |
| 0 g/mi | Tailpipe CO₂ (g/mi) | 0 g/mi |
| 9/10 | EPA fuel economy score | 9/10 |
| 10/10 | EPA greenhouse gas score | 10/10 |
| 9.5 hrs | Charge time at 240V | 11.7 hrs |
| Electric | Powertrain | Electric |
| Electricity | Fuel | Electricity |
| Electric motor (180 kW) | Engine / motor | Electric motor (160 kW) |
| Single-speed | Transmission | Single-speed |
| FWD | Drivetrain | RWD |
✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.
Honda Prologue vs Hyundai Ioniq 9 across model years
- Honda Prologue
- Hyundai Ioniq 9
Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.
How they differ
The Hyundai Ioniq 9 goes farther between stops: about 335 miles on a charge, compared with 308 miles for the Honda Prologue.
Among 91 2026 midsize & large SUVs, the Honda Prologue ranks 5th and the Hyundai Ioniq 9 14th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2026 Honda Prologue or the 2026 Hyundai Ioniq 9?
Measured by cost to drive, the Honda Prologue. The Honda Prologue is rated 104 MPGe combined and the Hyundai Ioniq 9 92 MPGe (EPA, most efficient configuration of each).
How much does it cost to fuel the 2026 Honda Prologue vs. the Hyundai Ioniq 9 per year?
At 15,000 miles a year with 18¢/kWh electricity, about $878 for the Honda Prologue and $999 for the Hyundai Ioniq 9.
Which has more range?
The Hyundai Ioniq 9: about 335 miles versus 308 miles.
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