2017 head-to-head · Midsize Car
2017 Hyundai Ioniq EV vs Toyota Prius Prime
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 (88 kW) · Single-speed · 136 MPGe · 124 mi
FWD · 1.8L 4-cyl · CVT · 133 MPGe + 54 MPG
The 2017 Hyundai Ioniq EV is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity and $3.10/gal regular gas, it costs about $675 a year to fuel (136 MPGe), versus $763 for the 2017 Toyota Prius Prime (133 MPGe + 54 MPG). That's roughly $88 a year, or about $438 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
- Hyundai Ioniq EV
- Toyota Prius Prime
Side by side
| Hyundai Ioniq EV | Toyota Prius Prime | |
|---|---|---|
| $675 | Your annual fuel cost | $763 |
| 136 MPGe | Combined efficiency | 133 MPGe + 54 MPG |
| 150 MPGe | City | 145 MPGe / 55 MPG |
| 122 MPGe | Highway | 121 MPGe / 53 MPG |
| 25 kWh | Electricity use (kWh/100 mi) | 25 kWh |
| 124 mi | Driving range | 640 mi |
| — | All-electric range | 25 mi |
| 96 cu ft | Passenger volume | 91 cu ft |
| 23 cu ft | Cargo volume | 20 cu ft |
| 0 g/mi | Tailpipe CO₂ (g/mi) | 78 g/mi |
| 10/10 | EPA fuel economy score | 10/10 |
| 10/10 | EPA greenhouse gas score | 10/10 |
| 4 hrs | Charge time at 240V | 2 hrs |
| Electric | Powertrain | Plug-in hybrid |
| Electricity | Fuel | Regular gas + electricity |
| Electric motor (88 kW) | Engine / motor | 1.8L 4-cyl |
| Single-speed | Transmission | CVT |
| 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.
Hyundai Ioniq EV vs Toyota Prius Prime across model years
- Hyundai Ioniq EV
- Toyota Prius Prime
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 Toyota Prius Prime goes farther between stops: about 640 miles on a full tank and charge, compared with 124 miles for the Hyundai Ioniq EV.
Per EPA interior volume figures, the Hyundai Ioniq EV has more passenger space (96 vs. 91 cu ft); the Hyundai Ioniq EV has more cargo space (23 vs. 20 cu ft).
Among 67 2017 midsize cars, the Hyundai Ioniq EV ranks 1st and the Toyota Prius Prime 3rd for lowest fuel cost.
Because the Hyundai Ioniq EV 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 Toyota Prius Prime; relying on DC fast chargers can erase it.
Frequently asked questions
Which is more fuel-efficient, the 2017 Hyundai Ioniq EV or the 2017 Toyota Prius Prime?
Measured by cost to drive, the Hyundai Ioniq EV. The Hyundai Ioniq EV is rated 136 MPGe combined and the Toyota Prius Prime 133 MPGe + 54 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2017 Hyundai Ioniq EV vs. the Toyota Prius Prime per year?
At 15,000 miles a year with 18¢/kWh electricity and $3.10/gal regular gas, about $675 for the Hyundai Ioniq EV and $763 for the Toyota Prius Prime.
Which has more range?
The Toyota Prius Prime: about 640 miles versus 124 miles.
Which has more cargo space?
The Hyundai Ioniq EV, with 23 cu ft of luggage volume versus 20 cu ft (EPA interior volume index).
Hyundai Ioniq EV vs Toyota Prius Prime in other years
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