2020 head-to-head · Midsize Car
2020 Hyundai Ioniq Plug-in Hybrid 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.
FWD · 1.6L 4-cyl · 6-speed dual-clutch · 119 MPGe + 52 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 2020 Hyundai Ioniq Plug-in Hybrid (119 MPGe + 52 MPG) costs about $815 a year to fuel and the 2020 Toyota Prius (56 MPG) about $830.
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 Plug-in Hybrid
- Toyota Prius
Side by side
| Hyundai Ioniq Plug-in Hybrid | Toyota Prius | |
|---|---|---|
| $815 | Your annual fuel cost | $830 |
| 119 MPGe + 52 MPG | Combined efficiency | 56 MPG |
| 123 MPGe / 53 MPG | City | 58 MPG |
| 114 MPGe / 52 MPG | Highway | 53 MPG |
| 28 kWh | Electricity use (kWh/100 mi) | — |
| 630 mi | Driving range | — |
| 29 mi | All-electric range | — |
| 96 cu ft | Passenger volume | 91 cu ft |
| 23 cu ft | Cargo volume | 27 cu ft |
| 74 g/mi | Tailpipe CO₂ (g/mi) | 158 g/mi |
| 10/10 | EPA fuel economy score | 10/10 |
| 10/10 | EPA greenhouse gas score | 10/10 |
| 2.3 hrs | Charge time at 240V | — |
| Plug-in hybrid | Powertrain | Hybrid |
| Regular gas + electricity | Fuel | Regular gasoline |
| 1.6L 4-cyl | Engine / motor | 1.8L 4-cyl |
| 6-speed dual-clutch | 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 Plug-in Hybrid vs Toyota Prius across model years
- Hyundai Ioniq Plug-in Hybrid
- 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 Plug-in Hybrid has more passenger space (96 vs. 91 cu ft); the Toyota Prius has more cargo space (27 vs. 23 cu ft).
Among 64 2020 midsize cars, the Hyundai Ioniq Plug-in Hybrid ranks 4th and the Toyota Prius 6th for lowest fuel cost.
The powertrains differ: the Hyundai Ioniq Plug-in Hybrid is a plug-in hybrid, while the Toyota Prius is a full hybrid.
Frequently asked questions
Which is more fuel-efficient, the 2020 Hyundai Ioniq Plug-in Hybrid or the 2020 Toyota Prius?
Measured by cost to drive, the Hyundai Ioniq Plug-in Hybrid. The Hyundai Ioniq Plug-in Hybrid is rated 119 MPGe + 52 MPG combined and the Toyota Prius 56 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2020 Hyundai Ioniq Plug-in Hybrid vs. the Toyota Prius per year?
At 15,000 miles a year with 18¢/kWh electricity and $3.10/gal regular gas, about $815 for the Hyundai Ioniq Plug-in Hybrid and $830 for the Toyota Prius.
Which has more cargo space?
The Toyota Prius, with 27 cu ft of luggage volume versus 23 cu ft (EPA interior volume index).
Hyundai Ioniq Plug-in Hybrid vs Toyota Prius in other years
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