- Gas
- Midsize cars
- MY2018–2025
Subaru Legacy MPG & Fuel Cost by Year
8 model years · 2018–2025
15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)
Subaru Legacy fuel economy at a glance
EPA has rated the Subaru Legacy for 8 model years, 2018 to 2025. Across those years its combined rating runs 23–30 MPG. The latest model year, 2025, has 2 configurations rated 26–30 MPG combined and costing $2,170–$2,490 a year to fuel at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2018 is the 2025 Legacy 2.5L 4-cyl AWD, at 30 MPG.
Subaru Legacy MPG by year
| Year | Gas (MPG) | $/yr |
|---|---|---|
| 2020-2025 (7th gen) Generation page | ||
| 2025 | 26–30 | $2,170–$2,490 |
| 2024 | 26–30 | $2,180–$2,490 |
| 2023 | 26–30 | $2,180–$2,490 |
| 2022 | 27–30 | $2,170–$2,430 |
| 2021 | 27–30 | $2,170–$2,430 |
| 2020 | 27–30 | $2,170–$2,430 |
| 2018-2019 (6th gen) Generation page | ||
| 2019 | 23–29 | $2,290–$2,860 |
| 2018 | 23–29 | $2,290–$2,860 |
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.
Subaru Legacy generations
2 generations between 2018 and 2025. Open one for the table of every model year and configuration.
2025 powertrain options
More Subaru models
Frequently asked questions
What is the Subaru Legacy's gas mileage by year?
EPA combined ratings for the Subaru Legacy run 23–30 MPG across model years 2018 to 2025. The latest year, 2025, is rated 26–30 MPG.
Which Subaru Legacy model year has the best gas mileage?
The 2025 Subaru Legacy Legacy 2.5L 4-cyl AWD has the highest combined rating since 2018, at 30 MPG.
How much does a Subaru Legacy cost to fuel per year?
For MY2025, EPA-rated configurations cost $2,170–$2,490 a year to fuel, driving 15,000 miles at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient one costs $2,170.
Has the Subaru Legacy's fuel economy improved over time?
Yes. The most efficient configuration moved from 29 MPG in 2018 to 30 MPG in 2025, 1 MPG more.
Which Subaru Legacy model years have the same ratings?
EPA lists identical ratings as the previous year for 2022. The generation pages mark those years "same EPA ratings" and point to the year that holds the full table.