Subaru Legacy/Outback AWD MPG and Fuel Economy
Subaru have been manufacturing models of Legacy/Outback AWD for 2 years, with the latest vehicle in 2004 having a combined MPG of 21.
The estimated fuel cost for the 2004 Subaru Legacy/Outback AWD is $3,000 per year.
Government regulators have estimated that value based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.
💵 Compared to an average vehicle over 5 years, you will spend $3,500 more on fuel driving a 2004 Subaru Legacy/Outback AWD.
🛢 The Subaru Legacy/Outback AWD will consume roughly 14 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.
💨 For every mile driven, the Subaru Legacy/Outback AWD will emit -1 grams of CO2, which is about -15,000 grams of CO2 per year.
🌳 To help you understand the impact of this, a normal tree will absorb around 21,000 grams of CO2 per year. This means that roughly 1 tree would be needed to offset emissions from the Subaru Legacy/Outback AWD.
The table below is a complete list of the 2 Subaru Legacy/Outback AWD fuel efficiency specifications we have data for.
Click any vehicle link to see a more detailed breakdown of the car, miles per gallon, emissions, and more.
| Vehicle | Combined MPG | Fuel Cost |
|---|---|---|
| 2004 Subaru Legacy/Outback AWD | 21 | $3,000 |
| 2003 Subaru Legacy/Outback AWD | 21 | $3,000 |
Link To or Reference This Page
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<a href="https://mpgbuddy.com/cars/subaru/legacy-outback-awd">Subaru Legacy/Outback AWD MPG and Fuel Economy</a>
"Subaru Legacy/Outback AWD MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/subaru/legacy-outback-awd.
"Subaru Legacy/Outback AWD MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/subaru/legacy-outback-awd. Accessed January 3, 2026.
Subaru Legacy/Outback AWD MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/subaru/legacy-outback-awd.