Toyota Prius Prime
48 MPG The 2024 Toyota Prius Prime is EPA-rated at 48 MPG combined (50 city / 47 highway). Over 15,000 miles a year that is about 313 gallons, $1000 a year in fuel, or $0.067 per mile at $3.20/gal.
Across its full 2017–2024 run it averages 52.5 MPG, falling by 6 MPG over 8 model years.
Running cost at different fuel prices and mileages
The figure everyone actually wants, and the one the EPA does not publish — because it depends on a fuel price no agency will commit to.
| Fuel price | Per mile | 10,000 mi/yr | 15,000 mi/yr | 20,000 mi/yr |
|---|---|---|---|---|
| $2.50/gal | $0.052 | $521 | $781 | $1042 |
| $3.00/gal | $0.063 | $625 | $938 | $1250 |
| $3.20/gal | $0.067 | $667 | $1000 | $1333 |
| $3.50/gal | $0.073 | $729 | $1094 | $1458 |
| $4.00/gal | $0.083 | $833 | $1250 | $1667 |
| $4.50/gal | $0.094 | $938 | $1406 | $1875 |
| $5.00/gal | $0.104 | $1042 | $1563 | $2083 |
Every model year
| Year | Combined | City | Highway | EPA fuel cost/yr | CO₂ g/mi | Trims |
|---|---|---|---|---|---|---|
| 2024 | 48 MPG | 50 | 47 | $1300 | 60 | 1 |
| 2023 | 48 MPG | 50 | 47 | $1300 | 60 | 1 |
| 2022 | 54 MPG | 55 | 53 | $1150 | 78 | 1 |
| 2021 | 54 MPG | 55 | 53 | $1150 | 78 | 1 |
| 2020 | 54 MPG | 55 | 53 | $1150 | 78 | 1 |
| 2019 | 54 MPG | 55 | 53 | $1150 | 78 | 1 |
| 2018 | 54 MPG | 55 | 53 | $1150 | 78 | 1 |
| 2017 | 54 MPG | 55 | 53 | $1150 | 78 | 1 |
Where a model year offered several engines or drivetrains, the figure is the average across all EPA-tested trims that year — the trim count is shown so you can see how much averaging is involved.
How it compares in its class
Among the 261 midsize cars models tracked here, the Toyota Prius Prime ranks 17 on current figures, against a class average of 27.1 MPG.
Closest more-efficient alternatives in the same class: Hyundai Elantra Hybrid (50), Hyundai Ioniq Plug-in Hybrid (52), Toyota Camry Hybrid LE (52), Hyundai Elantra Hybrid Blue (54), Toyota Prius AWD (54).
Tailpipe CO₂ is rated at 60 grams per mile, which works out to roughly 0.9 tonnes a year at 15,000 miles.
Questions
What MPG does the Toyota Prius Prime get?
The 2024 Toyota Prius Prime is rated at 48 MPG combined by the EPA — 50 city and 47 highway. Across all 8 model years in the database it averages 52.5 MPG, ranging from 48 to 54 depending on year and trim.
How much does a Toyota Prius Prime cost in fuel per year?
At 48 MPG and 15,000 miles a year, it burns about 313 gallons — roughly $1000 a year with fuel at $3.20 a gallon, or $0.067 per mile. The EPA's own published annual figure for the 2024 model is $1300.
Has the Toyota Prius Prime become more efficient over time?
No — it has actually gone backwards, from 54 MPG in 2017 to 48 in 2024. That usually reflects the model growing heavier, more powerful, or moving upmarket rather than the engineering getting worse.
Is the Toyota Prius Prime efficient for its class?
It ranks 17 of 261 in the Midsize Cars class on current figures, against a class average of 27.1 MPG. That is 20.9 better than typical for the class.
EPA test figures from fueleconomy.gov. Cost per mile and annual fuel spend are computed at a reference price of $3.20 per gallon — use your own price. Estimates based on official test figures and average fuel prices. Real-world consumption varies with driving style, load, terrain and maintenance.