2024 head-to-head · Small SUV
2024 Kia Niro 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.
The 2024 Toyota bZ4X is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas and 18¢/kWh electricity, it costs about $764 a year to fuel (119 MPGe), versus $877 for the 2024 Kia Niro (53 MPG). That's roughly $113 a year, or about $566 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
- Kia Niro
- Toyota bZ4X
Side by side
| Kia Niro | Toyota bZ4X | |
|---|---|---|
| $877 | Your annual fuel cost | $764 |
| 53 MPG | Combined efficiency | 119 MPGe |
| 53 MPG | City | 131 MPGe |
| 54 MPG | Highway | 107 MPGe |
| — | Electricity use (kWh/100 mi) | 28.3 kWh |
| — | Driving range | 252 mi |
| 105 cu ft | Passenger volume | — |
| 23 cu ft | Cargo volume | — |
| 167 g/mi | Tailpipe CO₂ (g/mi) | 0 g/mi |
| 8/10 | EPA fuel economy score | 10/10 |
| 8/10 | EPA greenhouse gas score | 10/10 |
| — | Charge time at 240V | 11 hrs |
| Hybrid | Powertrain | Electric |
| Regular gasoline | Fuel | Electricity |
| 1.6L 4-cyl | Engine / motor | Electric motor (150 kW) |
| 6-speed dual-clutch | 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 vs Toyota bZ4X across model years
- Kia Niro
- 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
Among 119 2024 small SUVs, the Kia Niro ranks 16th and the Toyota bZ4X 3rd for lowest fuel cost.
Because the Toyota bZ4X is fully electric, it has no tailpipe emissions and its running cost depends almost entirely on your electricity rate. Cheap overnight home charging widens its advantage over the Kia Niro; relying on DC fast chargers can erase it.
Frequently asked questions
Which is more fuel-efficient, the 2024 Kia Niro or the 2024 Toyota bZ4X?
Measured by cost to drive, the Toyota bZ4X. The Kia Niro is rated 53 MPG combined and the Toyota bZ4X 119 MPGe (EPA, most efficient configuration of each).
How much does it cost to fuel the 2024 Kia Niro vs. the Toyota bZ4X per year?
At 15,000 miles a year with $3.10/gal regular gas and 18¢/kWh electricity, about $877 for the Kia Niro and $764 for the Toyota bZ4X.
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