SEDAN · Regular gas
Subaru Legacy Fuel Cost
Midsize sedan with standard all-wheel drive — a snow-belt favorite. Below are estimated fuel costs based on 30 combined MPG and average US gas prices.
Best for daily commuters who want low fuel bills and easy parking.
- Cheap to run
- Average efficiency
- Updated for 2026
- EPA-style MPG
- US avg fuel prices
- US units
- Transparent assumptions
27 MPG
35 MPG
30 MPG
18.5 gal
~555 mi
MPG breakdown
Estimated fuel cost at 12,000 miles/year
Based on 30 MPG and $3.45/gal.
Annual cost
$1380
Monthly cost
$115
Cost per mile
$0.115
Gallons / year
400
Estimate your own cost
Pre-filled with the Subaru Legacy's combined MPG.
Pre-filled with estimated combined MPG for the Subaru Legacy. Adjust for your real-world driving.
Estimated Annual Cost
$0.00
Per Month
$0.00
Per Mile
$0.000
~400 gallons per year
Cost by annual mileage
How much you'll spend per year at common US mileage levels (estimates).
| Miles per year | Gallons / year | Annual cost | Monthly cost |
|---|---|---|---|
| 8,000 | 267 | $920 | $77 |
| 12,000 | 400 | $1380 | $115 |
| 15,000 | 500 | $1725 | $144 |
Estimates only. Actual costs depend on driving style, terrain, weather, and local fuel or electricity prices.
How we estimate Subaru Legacy costs
- MPG / MPGe
- EPA-style combined city + highway figures for the base trim and recent model year.
- Fuel price
- Average US retail regular gas, premium where required, or per-kWh electricity.
- Annual mileage
- Default scenarios at 8,000 / 12,000 / 15,000 miles per year.
- Trim & year variance
- AWD, larger wheels, towing packages and older years can lower efficiency 5–15%.
Sources & assumptions
- EPA fuel economy data — City / highway / combined MPG and MPGe baselines.
- U.S. Department of Energy (fueleconomy.gov) — Vehicle efficiency and EV range references.
- AAA gas price trends — Recent national and regional retail fuel averages.
- EIA electricity rates — Average residential per-kWh prices used for EV charging.
We summarize publicly available data — no scraping, no external API calls. Figures are calibrated periodically; use the calculators above for your exact inputs.
Frequently asked questions
What is the estimated annual fuel cost for the Subaru Legacy?
Driving 12,000 miles per year at 30 MPG and $3.45/gal, expect about $1380 per year. Heavier city driving or longer commutes will increase that.
What MPG does the Subaru Legacy get?
Estimated EPA-style ratings are roughly 27 city / 35 highway / 30 combined MPG. Real-world numbers depend on terrain, climate and driving style.
What is the tank size of the Subaru Legacy?
The Subaru Legacy typically has a 18.5-gallon tank. At 30 combined MPG, that's roughly 555 miles of driving range per fill-up.
How does Subaru Legacy fuel cost compare to other vehicles?
At 12,000 miles per year, this vehicle costs about $1380. Compare it to other sedans on our index page or use the cost-per-mile calculator to compare two specific vehicles side-by-side.
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