2025 head-to-head · Small SUV
2025 Kia Niro EV vs Toyota bZ4X
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
FWD · Electric motor (150 kW) · Single-speed · 113 MPGe · 253 mi
On fuel costs these two are nearly tied. Driving 15,000 miles a year with 18¢/kWh electricity, the most efficient 2025 Kia Niro EV (113 MPGe) costs about $810 a year to fuel and the 2025 Toyota bZ4X (119 MPGe) about $764.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- Kia Niro EV
- Toyota bZ4X
Side by side
| Kia Niro EV | Toyota bZ4X | |
|---|---|---|
| $810 | Your annual fuel cost | $764 |
| 113 MPGe | Combined efficiency | 119 MPGe |
| 126 MPGe | City | 131 MPGe |
| 101 MPGe | Highway | 107 MPGe |
| 30 kWh | Electricity use (kWh/100 mi) | 28.3 kWh |
| 253 mi | Driving range | 252 mi |
| 100 cu ft | Passenger volume | — |
| 23 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 |
| 7.5 hrs | Charge time at 240V | 11 hrs |
| Electric | Powertrain | Electric |
| Electricity | Fuel | Electricity |
| Electric motor (150 kW) | Engine / motor | Electric motor (150 kW) |
| Single-speed | Transmission | Single-speed |
| FWD | Drivetrain | FWD |
✓ 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.
Kia Niro EV vs Toyota bZ4X across model years
- Kia Niro EV
- Toyota bZ4X
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 Kia Niro EV goes farther between stops: about 253 miles on a charge, compared with 252 miles for the Toyota bZ4X.
Among 133 2025 small SUVs, the Kia Niro EV ranks 9th and the Toyota bZ4X 3rd for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2025 Kia Niro EV or the 2025 Toyota bZ4X?
Measured by cost to drive, the Toyota bZ4X. The Kia Niro EV is rated 113 MPGe combined and the Toyota bZ4X 119 MPGe (EPA, most efficient configuration of each).
How much does it cost to fuel the 2025 Kia Niro EV vs. the Toyota bZ4X per year?
At 15,000 miles a year with 18¢/kWh electricity, about $810 for the Kia Niro EV and $764 for the Toyota bZ4X.
Which has more range?
The Kia Niro EV: about 253 miles versus 252 miles.
Kia Niro EV vs Toyota bZ4X in other years
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