2020 Subaru Legacy

Fuel economy, running costs, emissions and safety · from U.S. EPA and NHTSA data

The 2020 Subaru Legacy is sold in the U.S. with gasoline power. The EPA lists 2 configurations for this model year, with combined economy from 27 to 30 MPG and an estimated annual fuel cost of $2,150 to $2,400 at 15,000 miles.

Key numbers

Model year2020
Vehicle classLarge Cars
Fuel type(s)Gasoline
Combined economy27-30 MPG
Best / worst combined30 / 27 MPG
Annual fuel cost$2,150-$2,400
Tailpipe CO₂295-330 g/mi
EPA smog rating3-7 / 10
NHTSA overall5 / 5 stars

What it costs to fuel

Across its configurations, the 2020 Legacy costs about $2,150 to $2,400 a year to fuel at the EPA's 15,000-mile basis, averaging roughly $2,275. Over five years that is about $11,375 in fuel alone before maintenance, insurance and depreciation — which is why the running cost, not just the price, decides what a car really costs.

Relative to an average new vehicle, the most efficient Legacy configuration saves about $750 in fuel over five years; less efficient versions spend more.

For context, the average combined economy of large cars in this dataset is about 29 MPG. The Legacy sits roughly 1 MPG below that mark at its midpoint, making it thirstier than average for its EPA class.

Configurations and fuel economy

VersionEngineDriveTransFuelCombinedAnnual fuel
Legacy AWD2.5L 4-cylAll-WheelAutomaticGasoline30 MPG$2,150
Legacy AWD2.4L 4-cyl turboAll-WheelAutomaticGasoline27 MPG$2,400

Emissions, safety and size

The 2020 Legacy records tailpipe CO₂ of 295-330 g/mi, an EPA smog rating of 3-7 out of 10, a 5-star NHTSA overall crash rating. The EPA classifies it as large cars.

Compare this car

Open the comparison tool to line this 2020 Legacy up against any other vehicle in the database, or jump to other years and trims from the 2020 Subaru Legacy overview.

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Data: U.S. EPA FuelEconomy.gov (public domain) and NHTSA SafetyRatings. Figures are EPA estimates; real-world results vary.