2004 · Compact Car · Gas
2004 Subaru Legacy/Outback MPG & fuel economy
The 2004 Subaru Legacy/Outback is a compact car offered in 5 EPA-rated configurations. The most efficient version returns 21 MPG combined (19 city / 25 highway) on regular gasoline. Across the lineup, combined ratings range from 19 to 21 MPG. That's down 1 MPG from the 2003 model. Among 48 compact cars rated for 2004, it ranks 35th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $2,214 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2004 Subaru Legacy/Outback's fuel average is 8.9 km/L (11.2 L/100 km), or 21 MPG combined: 8.1 km/L in the city and 10.6 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 19 | 8.1 | 12.4 |
| Highway | 25 | 10.6 | 9.4 |
| Combined | 21 | 8.9 | 11.2 |
How it ranks among 2004 Compact Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
Legacy/Outback MPG across model years
Full history →5 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| 4WD/AWD · 2.5L 4-cyl · 4-speed automatic Legacy/Outback AWD |
Gas | 19 MPG | 25 MPG | 21 MPG | — | $2,214 |
| 4WD/AWD · 2.5L 4-cyl · 5-speed manual Legacy/Outback AWD |
Gas | 19 MPG | 25 MPG | 21 MPG | — | $2,214 |
| 4WD/AWD · 2.5L 4-cyl · 4-speed automatic Legacy/Outback AWD |
Gas | 18 MPG | 25 MPG | 21 MPG | — | $2,214 |
| 4WD/AWD · 2.5L 4-cyl · 4-speed automatic Legacy/Outback Wagon AWD |
Gas | 18 MPG | 24 MPG | 20 MPG | — | $2,325 |
| 4WD/AWD · 3.0L 6-cyl · 4-speed automatic Legacy/Outback AWD |
Gas | 17 MPG | 23 MPG | 19 MPG | — | $3,118 |
Specs (most efficient configuration)
- Fuel
- Regular gasoline
- Engine / motor
- 2.5L 4-cyl
- Transmission
- 4-speed automatic
- Drivetrain
- 4WD/AWD
- Passenger volume
- 91 cu ft
- Cargo volume
- 12 cu ft
- Tailpipe CO₂
- 423 g/mi
2004 Subaru Legacy/Outback vs. rivals
Compare the 2004 Legacy/Outback
With any other car from any year, including other Legacy/Outback model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 2004 Subaru Legacy/Outback?
Up to 21 MPG combined (19 city / 25 highway); ratings range from 19 to 21 MPG depending on configuration.
What fuel does the 2004 Subaru Legacy/Outback use?
Regular gasoline.
What is the fuel average in km/L for the 2004 Subaru Legacy/Outback?
The 2004 Subaru Legacy/Outback's fuel average is 8.9 km/L (11.2 L/100 km), or 21 MPG combined: 8.1 km/L in the city and 10.6 km/L on the highway.
How much does it cost to fuel the 2004 Subaru Legacy/Outback per year?
About $2,214 at 15,000 miles a year with $3.10/gal regular gas, or $14.76 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.