2026 head-to-head · Small SUV
2026 Kia Niro EV vs Nissan Ariya
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
The 2026 Kia Niro EV is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity, it costs about $810 a year to fuel (113 MPGe), versus $899 for the 2026 Nissan Ariya (101 MPGe). That's roughly $89 a year, or about $445 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 EV
- Nissan Ariya
Side by side
| Kia Niro EV | Nissan Ariya | |
|---|---|---|
| $810 | Your annual fuel cost | $899 |
| 113 MPGe | Combined efficiency | 101 MPGe |
| 126 MPGe | City | 109 MPGe |
| 101 MPGe | Highway | 94 MPGe |
| 30 kWh | Electricity use (kWh/100 mi) | 33.3 kWh |
| 253 mi | Driving range | 216 mi |
| 100 cu ft | Passenger volume | 101 cu ft |
| 23 cu ft | Cargo volume | 28 cu ft |
| 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 | 10 hrs |
| Electric | Powertrain | Electric |
| Electricity | Fuel | Electricity |
| Electric motor (150 kW) | Engine / motor | Electric motor (160 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 Nissan Ariya across model years
- Kia Niro EV
- Nissan Ariya
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 216 miles for the Nissan Ariya.
Per EPA interior volume figures, the Nissan Ariya has more cargo space (28 vs. 23 cu ft).
Among 114 2026 small SUVs, the Kia Niro EV ranks 12th and the Nissan Ariya 22nd for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2026 Kia Niro EV or the 2026 Nissan Ariya?
Measured by cost to drive, the Kia Niro EV. The Kia Niro EV is rated 113 MPGe combined and the Nissan Ariya 101 MPGe (EPA, most efficient configuration of each).
How much does it cost to fuel the 2026 Kia Niro EV vs. the Nissan Ariya per year?
At 15,000 miles a year with 18¢/kWh electricity, about $810 for the Kia Niro EV and $899 for the Nissan Ariya.
Which has more range?
The Kia Niro EV: about 253 miles versus 216 miles.
Which has more cargo space?
The Nissan Ariya, with 28 cu ft of luggage volume versus 23 cu ft (EPA interior volume index).
Kia Niro EV vs Nissan Ariya in other years
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