2023 head-to-head · Midsize Car
2023 Hyundai Ioniq 6 vs Toyota Prius
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 2023 Hyundai Ioniq 6 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 $637 a year to fuel (140 MPGe), versus $816 for the 2023 Toyota Prius (57 MPG). That's roughly $179 a year, or about $893 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 6
- Toyota Prius
Side by side
| Hyundai Ioniq 6 | Toyota Prius | |
|---|---|---|
| $637 | Your annual fuel cost | $816 |
| 140 MPGe | Combined efficiency | 57 MPG |
| 153 MPGe | City | 57 MPG |
| 127 MPGe | Highway | 56 MPG |
| 23.6 kWh | Electricity use (kWh/100 mi) | — |
| 361 mi | Driving range | — |
| 105 cu ft | Passenger volume | 91 cu ft |
| 11 cu ft | Cargo volume | 24 cu ft |
| 0 g/mi | Tailpipe CO₂ (g/mi) | 155 g/mi |
| 10/10 | EPA fuel economy score | 9/10 |
| 10/10 | EPA greenhouse gas score | 9/10 |
| 7.5 hrs | Charge time at 240V | — |
| Electric | Powertrain | Hybrid |
| Electricity | Fuel | Regular gasoline |
| Electric motor (168 kW) | Engine / motor | 2.0L 4-cyl |
| Single-speed | Transmission | CVT |
| RWD | 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 6 vs Toyota Prius across model years
- Hyundai Ioniq 6
- Toyota Prius
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
Per EPA interior volume figures, the Hyundai Ioniq 6 has more passenger space (105 vs. 91 cu ft); the Toyota Prius has more cargo space (24 vs. 11 cu ft).
Among 50 2023 midsize cars, the Hyundai Ioniq 6 ranks 1st and the Toyota Prius 4th for lowest fuel cost.
Because the Hyundai Ioniq 6 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; relying on DC fast chargers can erase it.
Frequently asked questions
Which is more fuel-efficient, the 2023 Hyundai Ioniq 6 or the 2023 Toyota Prius?
Measured by cost to drive, the Hyundai Ioniq 6. The Hyundai Ioniq 6 is rated 140 MPGe combined and the Toyota Prius 57 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2023 Hyundai Ioniq 6 vs. the Toyota Prius per year?
At 15,000 miles a year with 18¢/kWh electricity and $3.10/gal regular gas, about $637 for the Hyundai Ioniq 6 and $816 for the Toyota Prius.
Which has more cargo space?
The Toyota Prius, with 24 cu ft of luggage volume versus 11 cu ft (EPA interior volume index).
Hyundai Ioniq 6 vs Toyota Prius in other years
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