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2024 Toyota Prius Prime XSE PHEV (XW60)
Shown: 2024 Toyota Prius Prime XSE PHEV (XW60). Photo: Mr.choppers, CC BY-SA 3.0, via Wikimedia Commons
  • Plug-in hybrid
  • Midsize cars
  • MY2017–2024

Toyota Prius Prime MPG & Fuel Cost by Year

8 model years · 2017–2024

127 MPGe
Combined
140 MPGe
City
115 MPGe
Highway
Annual cost · MY2024 SE 2.0L 4-cyl FWD
$870

15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)

All Toyota models

Toyota Prius Prime fuel economy at a glance

EPA has rated the Toyota Prius Prime for 8 model years, 2017 to 2024. Across those years its combined rating runs 48–54 MPG. The latest model year, 2024, has 2 configurations rated 48–52 MPG combined and costing $870–$980 a year to fuel at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2017 is the 2022 Prius Prime 1.8L 4-cyl FWD, at 54 MPG.

Toyota Prius Prime MPG by year

Toyota Prius Prime: combined fuel economy and annual fuel cost for each model year, grouped by generation
Year Plug-in hybrid, gas only (MPG) $/yr
2023-2024 (XW60) Generation page
2024 48–52 $870–$980
2023 48–52 $870–$980
2017-2022 (XW50) Generation page
2022 54 $930
2021 54 $930
2020 54 $930
2019 54 $930
2018 54 $930
2017 54 $930

Costs use the current EIA price set and 15,000 miles a year for every year, so years are comparable. Green marks the best year for each powertrain.

Toyota Prius Prime generations

2 generations between 2017 and 2024. Open one for the table of every model year and configuration.

2024 powertrain options

Plug-in hybrid · 2.0L
Gas-only combined
48–52 MPG
Per year
$870–$980

On electricity 114–127 MPGe, with 40–45 miles of electric range.

See plug-in hybrid configurations
EPA ratings: fueleconomy.gov file of Sep 29, 2026 · regular gasoline $4.36/gal (U.S. average, Sep 2026) · residential electricity 18.3¢/kWh (U.S. average, Jul 2026) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Frequently asked questions

What is the Toyota Prius Prime's gas mileage by year?

EPA combined ratings for the Toyota Prius Prime run 48–54 MPG across model years 2017 to 2024. The latest year, 2024, is rated 48–52 MPG.

Which Toyota Prius Prime model year has the best gas mileage?

The 2022 Toyota Prius Prime Prius Prime 1.8L 4-cyl FWD has the highest combined rating since 2017, at 54 MPG.

How much does a Toyota Prius Prime cost to fuel per year?

For MY2024, EPA-rated configurations cost $870–$980 a year to fuel, driving 15,000 miles at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient one costs $870.

Has the Toyota Prius Prime's fuel economy improved over time?

No. The most efficient configuration moved from 54 MPG in 2017 to 52 MPG in 2024, 2 MPG less.

Is there a hybrid, plug-in or electric Toyota Prius Prime?

Yes. Plug-in hybrid versions are rated from 2017 to 2024 (48–54 MPG).

Which Toyota Prius Prime model years have the same ratings?

EPA lists identical ratings as the previous year for 2018, 2019, 2020, 2021. The generation pages mark those years "same EPA ratings" and point to the year that holds the full table.

How many generations of the Toyota Prius Prime are there?

EPA data covers 2 generations of the Toyota Prius Prime: 2023-2024, 2017-2022. Each has its own page with a table for every model year.