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Subaru Legacy MPG

EPA fuel economy for 16 Subaru Legacy trims sold from 2018 to 2025. Best ever: 30 MPG (2025 Legacy AWD). Latest model year 2025: 26 to 30 MPG combined across 2 trims.

30best combined MPG (2025)
27 / 35city / highway of the best trim
23lowest combined MPG (2019)
8model years rated
$2,080a year to fuel, cheapest 2025 trim at EPA prices

Subaru Legacy fuel cost calculator

Enter what you pay for fuel and how far you drive in a year. The starting prices are the ones the EPA uses for its own yearly fuel-cost estimates. Every cost on this page updates as you type.

At $4.16 a gallon for regular and 15,000 miles a year, the cheapest 2025 Subaru Legacy to fuel is the Legacy AWD, 2.5 L, 4 cyl (30 MPG) at $2,080 a year. The Legacy AWD, 2.4 L, 4 cyl (26 MPG) costs $2,400, so the thriftier trim saves $320 a year and $1,600 over five years.

2025 trimEngineTransmissionDriveFuelCombCost/yrvs cheapest
Legacy AWD2.5 L, 4 cylAuto (AV-S8)AWDRegular30$2,080cheapest
Legacy AWD2.4 L, 4 cylAuto (AV-S8)AWDRegular26$2,400+$320

Cost per year is miles per year divided by the EPA combined rating, times your fuel price; electric vehicles use the EPA's kWh per 100 miles instead. Rounded to the nearest $10. Your prices are kept in this browser only.

Subaru Legacy MPG by year

YearBest combinedCityHwyBest trim that yearTrims
2025302735Legacy AWD, 2.5 L, 4 cyl, Auto (AV-S8)2
2024302735Legacy AWD, 2.5 L, 4 cyl, Auto (AV-S8)2
2023302735Legacy AWD, 2.5 L, 4 cyl, Auto (AV-S8)2
2022302735Legacy AWD, 2.5 L, 4 cyl, Auto (AV-S8)2
2021302735Legacy AWD, 2.5 L, 4 cyl, Auto (AV-S8)2
2020302735Legacy AWD, 2.5 L, 4 cyl, Auto (AV-S8)2
2019292534Legacy AWD, 2.5 L, 4 cyl, Auto (AV-S7)2
2018292534Legacy AWD, 2.5 L, 4 cyl, Auto (AV-S7)2

Every Subaru Legacy trim

YearTrimEngineTransmissionDriveFuelCityHwyCombCO2 g/miFuel cost/yr
2025Legacy AWD2.5 L, 4 cylAuto (AV-S8)AWDRegular273530295$2,080
2025Legacy AWD2.4 L, 4 cylAuto (AV-S8)AWDRegular233126337$2,400
2024Legacy AWD2.5 L, 4 cylAuto (AV-S8)AWDRegular273530295$2,080
2024Legacy AWD2.4 L, 4 cylAuto (AV-S8)AWDRegular233126337$2,400
2023Legacy AWD2.5 L, 4 cylAuto (AV-S8)AWDRegular273530295$2,080
2023Legacy AWD2.4 L, 4 cylAuto (AV-S8)AWDRegular233126337$2,400
2022Legacy AWD2.5 L, 4 cylAuto (AV-S8)AWDRegular273530295$2,080
2022Legacy AWD2.4 L, 4 cylAuto (AV-S8)AWDRegular243227330$2,310
2021Legacy AWD2.5 L, 4 cylAuto (AV-S8)AWDRegular273530295$2,080
2021Legacy AWD2.4 L, 4 cylAuto (AV-S8)AWDRegular243227330$2,310
2020Legacy AWD2.5 L, 4 cylAuto (AV-S8)AWDRegular273530295$2,080
2020Legacy AWD2.4 L, 4 cylAuto (AV-S8)AWDRegular243227330$2,310
2019Legacy AWD2.5 L, 4 cylAuto (AV-S7)AWDRegular253429311$2,150
2019Legacy AWD3.6 L, 6 cylAuto (AV-S6)AWDRegular202823387$2,710
2018Legacy AWD2.5 L, 4 cylAuto (AV-S7)AWDRegular253429311$2,150
2018Legacy AWD3.6 L, 6 cylAuto (AV-S6)AWDRegular202823387$2,710

CO2 is tailpipe grams per mile from the EPA test. Fuel cost per year uses the prices and miles in the calculator above (the EPA's own prices and 15,000 miles a year until you change them); blank when the fuel has no price here (hydrogen, natural gas).

Compare with other 2025 Midsize Cars

VehicleCombinedCityHwy
2025 Tesla Model 3 Long Range RWD137145128
2025 Hyundai Ioniq 6 Standard Range135151120
2025 Polestar 2 Single Motor (19 Inch Wheels)114123104
2025 Nissan LEAF11112399
2025 Genesis Electrified G809710589
2025 Mercedes-Benz EQE 350 Plus949494

All Midsize Cars ranked by MPG

Questions people ask

What is the best MPG for a Subaru Legacy?

The most efficient Subaru Legacy the EPA has rated is the 2025 Legacy AWD at 30 MPG combined (27 city, 35 highway).

What MPG does the 2025 Subaru Legacy get?

2025 Subaru Legacy trims range from 26 to 30 MPG combined, depending on engine, transmission and drivetrain.

Which Subaru Legacy has the worst fuel economy?

The 2019 Legacy AWD is the lowest rated at 23 MPG combined.

How much does it cost to fuel a Subaru Legacy for a year?

At $4.16 a gallon for regular and 15,000 miles a year, the cheapest 2025 Subaru Legacy to fuel is the Legacy AWD, 2.5 L, 4 cyl (30 MPG) at $2,080 a year. The Legacy AWD, 2.4 L, 4 cyl (26 MPG) costs $2,400, so the thriftier trim saves $320 a year and $1,600 over five years.

More from Subaru: every Subaru model. Fuel types on this model: Regular. EPA classes: Large Cars, Midsize Cars.