CRTCar Real Test
Sources: EPA fuel economy file 2026-11-04 | NHTSA safety records 2026-11-14
Home › Subaru › Legacy

Subaru Legacy MPG by year (2018-2025)

The agency's file has 8 model years of the Subaru Legacy from 2018 to 2025. The newest, the 2025 Subaru Legacy, gets 26 to 30 mpg combined across 2 tested versions.

Best of 2025

30 mpgLegacy AWD (4-cyl 2.5 L), combined

Best in the file

30 mpgLegacy AWD (4-cyl 2.5 L); reached in 2020, 2021, 2022, 2023, 2024, 2025

Best non-hybrid, 2025

30 mpgLegacy AWD (4-cyl 2.5 L), combined

Best combined mileage by model year

Each dot is the best version of that model year. The table below holds every figure.

Best combined fuel economy of the Subaru Legacy by model yeargas and diesel: 29 in 2018 to 30 in 2025. The table below holds every figure.282930201820192020202120222023202420252018: 29 mpg (Gas and diesel)2019: 29 mpg (Gas and diesel)2020: 30 mpg (Gas and diesel)2021: 30 mpg (Gas and diesel)2022: 30 mpg (Gas and diesel)2023: 30 mpg (Gas and diesel)2024: 30 mpg (Gas and diesel)2025: 30 mpg (Gas and diesel)Gas and diesel (mpg)

Your fuel cost, 2025 Legacy

Pick a 2025 version, then set your miles and fuel price. Fuel price as of 2026-11-14, U.S. Department of Energy / EPA. The price box starts at the dated price of the fuel the picked version burns and sets the price of that fuel.

$2,000 a year

2025 Legacy AWD (4-cyl 2.5 L), 4-cyl 2.5 L: 27 mpg city, 35 highway, 30 combined. The agency's own estimate for the 2025 Legacy version is $2,100 a year (15,000 miles, the agency's fuel prices).

30miles per gallon, combined
$0.13fuel cost per mile
500gallons a year
$10,000fuel cost over 5 years

Every model year

Open a year for the calculator, every version, rivals, safety record and recalls. Years in the table are the ones the agency tested; pages exist for 2 of them.

Model yearVersionsBest gasFuel a year (agency)Best figure against the year before
2018229 mpg$2,150 to $2,700no earlier year in the file
2019229 mpg$2,150 to $2,700no change
2020230 mpg$2,100 to $2,300+1 mpg
2021230 mpg$2,100 to $2,300no change
2022230 mpg$2,100 to $2,300no change
2023230 mpg$2,100 to $2,400no change
2024230 mpg$2,100 to $2,400no change
2025230 mpg$2,100 to $2,400no change

The best combined figure changed against the year before in 1 of 8 model years: 2020: +1 mpg.

Where the newest year stands

The 2025 Legacy is in the Midsize Cars class. By best combined figure it ranks 14th of 32 2025 models in that class; the middle figure for the class is 29 mpg and the top figure is 57 mpg. Best Midsize Cars mileage, 2025 models.

Other Subaru models

Every other Subaru model on this site, nearest to the Legacy in newest-year mileage first.

ModelNewest yearCombinedAgainst the Legacy
Impreza202629 mpg1 lower
Outback202623 to 27 mpg3 lower
BRZ202622 to 25 mpg5 lower
Forester202626 to 35 mpg5 higher
Crosstrek202626 to 36 mpg6 higher
Ascent202621 to 22 mpg8 lower
WRX202621 to 22 mpg8 lower
Trailseeker2026114 to 117 MPGenot the same measure
Solterra2026117 to 120 MPGenot the same measure
Uncharted2026112 to 129 MPGenot the same measure

Common questions

Which Subaru Legacy model year has the best mileage?

Since 2018, the best conventional figure is 30 mpg combined, for the 2025 Legacy AWD (4-cyl 2.5 L).

How many versions of the Subaru Legacy has the agency tested?

16 versions across 8 model years (2018 to 2025).

Has the mileage of the Subaru Legacy gone up over the years?

The best combined figure was 29 mpg in 2018 and is 30 mpg in 2025, a change of +1 mpg.

Mileage and fuel cost: U.S. Environmental Protection Agency, fueleconomy.gov vehicle file (file dated 2026-11-04). Your own mileage depends on how and where you drive. Where our numbers come from.