Standard SUVs · Electric · model year 2026
Honda Prologue vs Kia EV9
The Honda Prologue is rated 15 MPGe higher than the Kia EV9 in model year 2026, 104 against 89 combined, which is 17% more distance from the same energy.
Side by side
| Measure | Honda Prologue | Kia EV9 |
|---|---|---|
| Combined fuel economy (best version) | 104 MPGe | 89 MPGe |
| City | 113 MPG | 100 MPG |
| Highway | 94 MPG | 78 MPG |
| Annual fuel cost | $750 | $850 |
| Tailpipe CO2 | 0 g/mile | 0 g/mile |
| Lowest rated version | 95 MPGe | 78 MPGe |
| Rated versions | 3 | 5 |
| All-electric range | 308 mi | 305 mi |
| Rank in class (best combined rating) | 5th of 90 | 14th of 90 |
| Class | Standard SUVs | Standard SUVs |
| Powertrain | Electric | Electric |
Better figure in bold; each model's most efficient version.
Fuel economy and cost
Fuel bills differ by $100 a year. The Honda Prologue comes to $750 and the Kia EV9 to $850, both at 15,000 miles a year.
Where each one ranks
Within their class the Honda Prologue is 5th of 90 standard SUVs, in the top quarter, ahead of 96% of the others. The Kia EV9 is 14th of 90 standard SUVs, in the top quarter, ahead of 85% of the others.
The Honda Prologue has 3 rated versions, from 95 to 104 MPGe. The Kia EV9 has 5, from 78 to 89 MPGe. For the most efficient versions, the Honda Prologue is rated 19 higher in the city (113 against 94), while the Kia EV9 is rated 22 higher in the city (100 against 78).
The two versions closest in rating are Prologue AWD Elite: electric motor, Automatic (A1), AWD at 95 MPGe and EV9 Long Range RWD: electric motor, Automatic (A1), RWD at 89, 6 MPGe apart.
Ratings by model year
Both models are in the data for 3 model years, 2024 to 2026. The Honda Prologue has the higher best rating in 3 of them and the Kia EV9 in 0. The widest gap, 15 MPGe, was in 2026, when the Honda Prologue led.
| Model year | Honda Prologue | Kia EV9 | Gap |
|---|---|---|---|
| 2026 | 104 | 89 | +15 |
| 2025 | 104 | 89 | +15 |
| 2024 | 99 | 89 | +10 |