Subaru Legacy/Outback Annual Fuel Cost

Running a 2017 Subaru Legacy/Outback costs about $2,100 per year in fuel, based on 15,000 miles of driving at average U.S. fuel prices.

Latest model year (2017):

The Subaru Legacy/Outback costs an estimated $2,100/year in fuel (311 g CO₂/mi).

Verifiedfueleconomy.gov · Verified August 11, 2026

Subaru Legacy/Outback Fuel Cost — All Years

YearTrimEngineFuelMPG Comb.Annual CostCO₂ (g/mi)GHG Score
2017Auto (AV-S6), 4 cyl, 2.5 L4 2.5LRegular Gasoline29$2,1003117
2017Auto (AV-S6), 4 cyl, 2.5 L4 2.5LRegular Gasoline28$2,2003196
2017Auto (AV-S6), 6 cyl, 3.6 L6 3.6LRegular Gasoline22$2,8003985
2017Auto (AV-S6), 6 cyl, 3.6 L6 3.6LRegular Gasoline23$2,6503875
2016Auto (AV-S6), 4 cyl, 2.5 L4 2.5LRegular Gasoline28$2,2003197
2016Auto (AV-S6), 4 cyl, 2.5 L4 2.5LRegular Gasoline29$2,1003027
2016Auto (AV-S6), 6 cyl, 3.6 L6 3.6LRegular Gasoline23$2,6503875
2016Auto (AV-S6), 6 cyl, 3.6 L6 3.6LRegular Gasoline22$2,8003985
2015Auto (AV-S6), 4 cyl, 2.5 L4 2.5LRegular Gasoline28$2,2003197
2015Auto (AV-S6), 4 cyl, 2.5 L4 2.5LRegular Gasoline29$2,1003027
2015Auto (AV-S6), 6 cyl, 3.6 L6 3.6LRegular Gasoline22$2,8003985
2015Auto (AV-S6), 6 cyl, 3.6 L6 3.6LRegular Gasoline23$2,6503875

Data sourced from fueleconomy.gov (U.S. Department of Energy). MPG figures are EPA-tested. Fuel costs are estimates based on average fuel prices and 15,000 miles/year.

Subaru Legacy/Outback Fuel Cost FAQ

How much does it cost to fuel the Subaru Legacy/Outback?

The estimated annual fuel cost for the Subaru Legacy/Outback is $2,100 per year, based on 15,000 miles of driving and average fuel prices. Costs vary by trim and engine.

How much CO₂ does the Subaru Legacy/Outback produce?

The Subaru Legacy/Outback produces approximately 311 grams of CO₂ per mile. Lower numbers mean fewer emissions. See the table for per-trim details.

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