2025 head-to-head · Midsize & Large SUV
2025 Honda Prologue vs Kia EV9
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 2025 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 $1,026 for the 2025 Kia EV9 (89 MPGe). That's roughly $148 a year, or about $742 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
- Kia EV9
Side by side
| Honda Prologue | Kia EV9 | |
|---|---|---|
| $878 | Your annual fuel cost | $1,026 |
| 104 MPGe | Combined efficiency | 89 MPGe |
| 113 MPGe | City | 100 MPGe |
| 94 MPGe | Highway | 78 MPGe |
| 32.5 kWh | Electricity use (kWh/100 mi) | 38 kWh |
| 308 mi | Driving range | 304 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 | 15.2 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 Kia EV9 across model years
- Honda Prologue
- Kia EV9
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 Honda Prologue goes farther between stops: about 308 miles on a charge, compared with 304 miles for the Kia EV9.
Among 94 2025 midsize & large SUVs, the Honda Prologue ranks 3rd and the Kia EV9 12th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2025 Honda Prologue or the 2025 Kia EV9?
Measured by cost to drive, the Honda Prologue. The Honda Prologue is rated 104 MPGe combined and the Kia EV9 89 MPGe (EPA, most efficient configuration of each).
How much does it cost to fuel the 2025 Honda Prologue vs. the Kia EV9 per year?
At 15,000 miles a year with 18¢/kWh electricity, about $878 for the Honda Prologue and $1,026 for the Kia EV9.
Which has more range?
The Honda Prologue: about 308 miles versus 304 miles.
Honda Prologue vs Kia EV9 in other years
More 2025 comparisons
Honda Prologue vs…
Or compare the 2025 Honda Prologue with anything else: