- Newest year: 2022
- Plug-in hybrid
- Midsize cars
2017-2022 Toyota Prius Prime MPG & Fuel Cost
6 model years · 54 MPG combined
15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026) + residential electricity 18.3¢/kWh (U.S. average, Jul 2026)
Cheaper to fuel than 9 of 10 midsize car configurations, MY2022. Ranked against all rated configurations, not sales-weighted.
2017-2022 Toyota Prius Prime at a glance
The 2017-2022 Toyota Prius Prime covers 6 model years in the EPA database (6 configurations in all), rated 54 MPG combined. The newest model year, 2022, costs about $930 a year to fuel for its most efficient version, the Prius Prime 1.8L 4-cyl FWD (54 MPG), at regular gasoline $4.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2022; 2018, 2019, 2020 and 2021 repeat the values of the year before.
2017-2022 Toyota Prius Prime by model year
| Model year | Powertrains | Combined | $/yr | EPA ratings |
|---|---|---|---|---|
| 2022 | Plug-in hybrid | 54 MPG | $930 | Ratings changed |
| 2021 | Plug-in hybrid | 54 MPG | $930 | Same EPA ratings as 2020 |
| 2020 | Plug-in hybrid | 54 MPG | $930 | Same EPA ratings as 2019 |
| 2019 | Plug-in hybrid | 54 MPG | $930 | Same EPA ratings as 2018 |
| 2018 | Plug-in hybrid | 54 MPG | $930 | Same EPA ratings as 2017 |
| 2017 | Plug-in hybrid | 54 MPG | $930 | First year |
What the 2022 Prius Prime 1.8L 4-cyl FWD costs to drive
Per month
$78
$930 a year ÷ 12
Per 25 miles
$1.55
Per 100 miles
$6.20
Five years
$4,650
5 × the yearly cost, prices held at today's level
vs the midsize car median
$2,000less a year
Class median $2,930 a year, MY2022
Based on 15,000 miles a year and regular gasoline $4.36/gal (U.S. average, Sep 2026).
2022 Toyota Prius Prime MPG
Versus 2021: The most efficient configuration stays at 54 MPG. Its annual cost stays at $930.
On electricity 133 MPGe, with 25 miles of electric range.
Plug-in hybrid configurations (1)
| Trim | Drive | Gas MPG | Electric MPGe | Electric range | $/yr |
|---|---|---|---|---|---|
| Prius Prime (Most efficient) | FWD | 54 | 133 | 25 mi | $930 |
Cost assumes EPA's utility factor: 53% of miles are driven on electricity (residential electricity 18.3¢/kWh (U.S. average, Jul 2026)) and the rest on gasoline (regular gasoline $4.36/gal (U.S. average, Sep 2026)).
2021 Toyota Prius Prime MPG
Same EPA ratings as 2020
EPA lists the same ratings for the 2021 Toyota Prius Prime as for the 2020 model, so the configurations and costs are the ones in the 2020 section above.See 2020
2020 Toyota Prius Prime MPG
Same EPA ratings as 2019
EPA lists the same ratings for the 2020 Toyota Prius Prime as for the 2019 model, so the configurations and costs are the ones in the 2019 section above.See 2019
2019 Toyota Prius Prime MPG
Same EPA ratings as 2018
EPA lists the same ratings for the 2019 Toyota Prius Prime as for the 2018 model, so the configurations and costs are the ones in the 2018 section above.See 2018
2018 Toyota Prius Prime MPG
Same EPA ratings as 2017
EPA lists the same ratings for the 2018 Toyota Prius Prime as for the 2017 model, so the configurations and costs are the ones in the 2017 section above.See 2017
2017 Toyota Prius Prime MPG
54 MPG · $930/yr
On electricity 133 MPGe, with 25 miles of electric range.
Plug-in hybrid configurations (1)
| Trim | Drive | Gas MPG | Electric MPGe | Electric range | $/yr |
|---|---|---|---|---|---|
| Prius Prime (Most efficient) | FWD | 54 | 133 | 25 mi | $930 |
Cost assumes EPA's utility factor: 53% of miles are driven on electricity (residential electricity 18.3¢/kWh (U.S. average, Jul 2026)) and the rest on gasoline (regular gasoline $4.36/gal (U.S. average, Sep 2026)).
Fuel cost by state
Yearly cost of the Prius Prime 1.8L 4-cyl FWD: $1,440 in California and $750 in Louisiana, a $690 difference.
- California $1,440
- New York $1,160
- Florida $830
- Texas $810
- Louisiana $750
Similar cars
Closest combined MPG among MY2022 midsize car models.
Generations
- 2017-2022 (XW50)
- 2023-2024 (XW60)
Frequently asked questions
What gas mileage does the 2017-2022 Toyota Prius Prime get?
EPA rates the 2017-2022 Toyota Prius Prime at 54 MPG combined across 6 configurations and 6 model years. The most efficient version, the 2022 Prius Prime 1.8L 4-cyl FWD, is rated 54 MPG (55 city, 53 highway).
Which years had the best MPG in the 2017-2022 Toyota Prius Prime?
Every model year of the 2017-2022 Toyota Prius Prime tops out at 54 MPG combined, so no year is better than another.
Did EPA ratings change during the 2017-2022 Toyota Prius Prime?
Yes. Ratings changed in 2022. In 2018, 2019, 2020 and 2021 the values repeat the year before.
How much does it cost to fuel a 2022 Toyota Prius Prime per year?
Driving 15,000 miles a year at regular gasoline $4.36/gal (U.S. average, Sep 2026) + residential electricity 18.3¢/kWh (U.S. average, Jul 2026), the Prius Prime 1.8L 4-cyl FWD costs about $930 a year. Across all 1 configuration the cost runs $930 a year.
How much does it cost to drive a 2022 Toyota Prius Prime 100 miles?
About $6.20 per 100 miles for the Prius Prime 1.8L 4-cyl FWD at regular gasoline $4.36/gal (U.S. average, Sep 2026). That is the annual cost over 15,000 miles divided by 150.
Is the 2022 Toyota Prius Prime more efficient in the city or on the highway?
The Prius Prime 1.8L 4-cyl FWD is rated 55 city and 53 highway MPG, so it is more efficient in city driving, by 2 MPG.
How does the 2022 Toyota Prius Prime compare with other midsize car configurations?
The Prius Prime 1.8L 4-cyl FWD costs about $930 a year to fuel, $2,000 less than the class median of $2,930, and less than 9 of 10 midsize car configurations. The comparison covers all 136 rated midsize car configurations for MY2022, not weighted by sales.
How far does the 2022 Toyota Prius Prime plug-in hybrid go on electricity?
EPA rates the electric range at 25 miles, with a total range of 640 miles when the gasoline engine helps. Once the battery is used, the car runs as a hybrid at 54 MPG. The Prius Prime 1.8L 4-cyl FWD costs about $930 a year, assuming EPA's utility factor of 53% of miles on electricity, at regular gasoline $4.36/gal (U.S. average, Sep 2026) + residential electricity 18.3¢/kWh (U.S. average, Jul 2026).
Is the 2022 Toyota Prius Prime different from the 2021 model?
The most efficient configuration stays at 54 MPG. Its annual cost stays at $930. EPA lists 1 configuration for 2022 against 1 configuration for 2021. See the 2021 Toyota Prius Prime for that year.