2025 head-to-head · Small SUV
2025 Kia Niro Plug-in Hybrid 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 · 1.6L 4-cyl · 6-speed dual-clutch · 108 MPGe + 48 MPG
On fuel costs these two are nearly tied. Driving 15,000 miles a year with 18¢/kWh electricity and $3.10/gal regular gas, the most efficient 2025 Kia Niro Plug-in Hybrid (108 MPGe + 48 MPG) costs about $887 a year to fuel and the 2025 Nissan Ariya (101 MPGe) about $899.
Your numbers
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Fuel cost over 10 years
- Kia Niro Plug-in Hybrid
- Nissan Ariya
Side by side
| Kia Niro Plug-in Hybrid | Nissan Ariya | |
|---|---|---|
| $887 | Your annual fuel cost | $899 |
| 108 MPGe + 48 MPG | Combined efficiency | 101 MPGe |
| 113 MPGe / 49 MPG | City | 109 MPGe |
| 102 MPGe / 47 MPG | Highway | 94 MPGe |
| 31 kWh | Electricity use (kWh/100 mi) | 33.3 kWh |
| 510 mi | Driving range | 216 mi |
| 33 mi | All-electric range | — |
| 105 cu ft | Passenger volume | 101 cu ft |
| 19 cu ft | Cargo volume | 28 cu ft |
| 71 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 |
| 2.8 hrs | Charge time at 240V | 10 hrs |
| Plug-in hybrid | Powertrain | Electric |
| Regular gas + electricity | Fuel | Electricity |
| 1.6L 4-cyl | Engine / motor | Electric motor (160 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 Plug-in Hybrid vs Nissan Ariya across model years
- Kia Niro Plug-in Hybrid
- 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 Plug-in Hybrid goes farther between stops: about 510 miles on a full tank and charge, compared with 216 miles for the Nissan Ariya.
Per EPA interior volume figures, the Kia Niro Plug-in Hybrid has more passenger space (105 vs. 101 cu ft); the Nissan Ariya has more cargo space (28 vs. 19 cu ft).
Among 133 2025 small SUVs, the Kia Niro Plug-in Hybrid ranks 19th and the Nissan Ariya 20th for lowest fuel cost.
Because the Nissan Ariya 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 Plug-in Hybrid; relying on DC fast chargers can erase it.
Frequently asked questions
Which is more fuel-efficient, the 2025 Kia Niro Plug-in Hybrid or the 2025 Nissan Ariya?
Measured by cost to drive, the Kia Niro Plug-in Hybrid. The Kia Niro Plug-in Hybrid is rated 108 MPGe + 48 MPG combined and the Nissan Ariya 101 MPGe (EPA, most efficient configuration of each).
How much does it cost to fuel the 2025 Kia Niro Plug-in Hybrid vs. the Nissan Ariya per year?
At 15,000 miles a year with 18¢/kWh electricity and $3.10/gal regular gas, about $887 for the Kia Niro Plug-in Hybrid and $899 for the Nissan Ariya.
Which has more range?
The Kia Niro Plug-in Hybrid: about 510 miles versus 216 miles.
Which has more cargo space?
The Nissan Ariya, with 28 cu ft of luggage volume versus 19 cu ft (EPA interior volume index).
Kia Niro Plug-in Hybrid vs Nissan Ariya in other years
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