- Gas
- Midsize cars
- MY2000–2017
Subaru Legacy/Outback MPG & Fuel Cost by Year
18 model years · 2000–2017
15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)
Subaru Legacy/Outback fuel economy at a glance
EPA has rated the Subaru Legacy/Outback for 18 model years, 2000 to 2017. Across those years its combined rating runs 19–29 MPG. The latest model year, 2017, has 4 configurations rated 22–29 MPG combined and costing $2,290–$2,930 a year to fuel at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2000 is the 2017 Legacy 2.5L 4-cyl AWD, at 29 MPG. EPA ratings go back to 1984: the earliest rating on this page is 22 MPG in 1990.
Subaru Legacy/Outback MPG by year
| Year | Gas (MPG) | $/yr |
|---|---|---|
| 2015-2017 (6th gen) Generation page | ||
| 2017 | 22–29 | $2,290–$2,930 |
| 2016 | 22–29 | $2,220–$2,930 |
| 2015 | 22–29 | $2,220–$2,930 |
| 2010-2014 (5th gen) Generation page | ||
| 2014 | 20–27 | $2,430–$3,260 |
| 2013 | 20–27 | $2,430–$3,250 |
| 2012 | 20–25 | $2,580–$3,900 |
| 2011 | 20–25 | $2,580–$3,900 |
| 2010 | 20–26 | $2,510–$3,830 |
| 2005-2009 (4th gen) Generation page | ||
| 2009 | 20–22 | $2,970–$4,020 |
| 2008 | 20–22 | $2,970–$4,020 |
| 2007 | 20–23 | $2,840–$4,020 |
| 2006 | 19–23 | $2,840–$4,230 |
| 2005 | 19–23 | $2,840–$4,230 |
| 2000-2004 (3rd gen) Generation page | ||
| 2004 | 19–21 | $3,110–$4,230 |
| 2003 | 19–22 | $2,970–$4,230 |
| 2002 | 20–21 | $3,110–$4,020 |
| 2001 | 20–21 | $3,110–$4,020 |
| 2000 | 21 | $3,110 |
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/Outback generations
4 generations between 2000 and 2017. Open one for the table of every model year and configuration.
2017 powertrain options
Subaru Legacy/Outback MPG history, 1990–1999
| Year | Gas (MPG) |
|---|---|
| 1999 | 21–22 |
| 1998 | 20–24 |
| 1997 | 21–24 |
| 1996 | 20–25 |
| 1995 | 21–24 |
| 1994 | 18–23 |
| 1993 | 18–23 |
| 1992 | 18–23 |
Show 2 more years
| Year | Gas (MPG) |
|---|---|
| 1991 | 18–22 |
| 1990 | 20–22 |
EPA re-estimated the ratings of pre-2008 vehicles under its 2008 method; these are the re-estimated values.
More Subaru models
Frequently asked questions
What is the Subaru Legacy/Outback's gas mileage by year?
EPA combined ratings for the Subaru Legacy/Outback run 19–29 MPG across model years 2000 to 2017. The latest year, 2017, is rated 22–29 MPG.
Which Subaru Legacy/Outback model year has the best gas mileage?
The 2017 Subaru Legacy/Outback Legacy 2.5L 4-cyl AWD has the highest combined rating since 2000, at 29 MPG.
How much does a Subaru Legacy/Outback cost to fuel per year?
For MY2017, EPA-rated configurations cost $2,290–$2,930 a year to fuel, driving 15,000 miles at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient one costs $2,290.
Has the Subaru Legacy/Outback's fuel economy improved over time?
Yes. The most efficient configuration moved from 21 MPG in 2000 to 29 MPG in 2017, 8 MPG more. Going back further, the best rating in 1984 was 22 MPG.