The Subaru Outback is the go-to for people who want all-weather capability without an SUV-sized fuel bill. If it is on your shortlist, here is the number that matters: how much does a Subaru Outback cost in gas per year?
The pleasant surprise is that despite standard all-wheel drive, the Outback is impressively efficient, more like a wagon than a rugged crossover. Here is the real annual cost, broken down by mileage.
How much does a Subaru Outback cost in gas per year?
Your annual fuel bill comes down to three things: how far you drive, what you pay per gallon, and the vehicle’s MPG. The Subaru Outback returns about 28 MPG combined, so here is what a year of driving costs at three common mileage levels, using the current national average of roughly $3.91 a gallon.
| Miles driven per year | Annual gas cost | Per month |
|---|---|---|
| 10,000 miles | $1,396 | $116 |
| 12,000 miles | $1,676 | $140 |
| 15,000 miles | $2,095 | $175 |
So the typical driver spends around $1,885 a year, or about $157 a month, on gas in a Subaru Outback. That works out to roughly $0.14 per mile in fuel alone. Pay less than the national average where you live and the bill drops; at $3.50 a gallon the 13,500-mile figure falls to about $1,629, while at $4.50 it climbs to around $2,095. Check what you actually pay on the live gas price tracker and plug it into the gas cost calculator for a number matched to your driving.
Zoom out and the figure gets your attention. Over five years, a typical Subaru Outback driver spends roughly $9,101 on gas alone, and a decade of ownership close to double that. That is real money, which is exactly why fuel economy deserves a place in the buying decision alongside the sticker price and the monthly payment. A thriftier trim, or a hybrid version where one exists, quietly pays you back at every fill-up.
What kind of MPG does the Subaru Outback really get?
Recent Subaru Outback models earn an EPA combined rating of around 28 MPG with the standard engine, roughly 26 in the city and 32 on the highway, which is excellent given that all-wheel drive is standard. The turbocharged XT versions trade some economy for power, landing closer to 26 combined. That efficient base engine is the value pick for most buyers.
Keep in mind that the window-sticker number is a lab figure. Real-world mileage usually lands 10 to 15% lower, shaped by short trips, cold starts, aggressive acceleration, roof racks, and under-inflated tires. The honest way to know your Subaru Outback’s number is to measure it: fill up, note the odometer, and run the math through the MPG calculator, then confirm the gallons any trip will use with the fuel consumption calculator.
Monthly, weekly, and per-mile cost
Big annual numbers are easy to ignore, so break them down. At the typical 13,500 miles a year, a Subaru Outback runs about $157 a month and roughly $36 a week in gas. On a per-mile basis that is about $0.14, but fuel is only part of what a mile really costs. Tires, oil, brakes, and depreciation stack on top, which is why the cost per mile calculator gives a truer picture of ownership. If most of your miles are a daily commute, the commute cost calculator shows exactly what that drive adds up to each month.
Here is a concrete example. A 30-mile round-trip commute five days a week comes to about 7,800 miles a year, which in a Subaru Outback means roughly $1,052 in commuting fuel alone, before you drive anywhere on the weekend. Small changes to that daily routine, carpooling twice a week, trimming one errand trip, or working from home a day, translate straight into fuel savings you can feel.
What changes your Subaru Outback’s yearly fuel bill
Miles driven. This is the biggest lever by far. A 20,000-mile-a-year driver spends nearly double what a 10,000-mile driver does in the same vehicle, no matter how efficient it is.
Local gas prices. Where you live matters enormously. The same Subaru Outback costs hundreds more per year in high-price states like California than in cheaper states. Compare your state on the gas prices by state page to see where you fall.
City versus highway. The Subaru Outback’s highway number beats its city number, so a driver stuck in stop-and-go traffic burns more than the combined rating suggests. Smooth, steady highway miles are the cheapest kind, and in dollar terms a mostly-city driver can spend a few hundred dollars a year more than a highway commuter in the very same vehicle.
Fuel grade. Good news here: the Subaru Outback is designed to run on regular unleaded, not premium, so you are already buying the cheapest grade at the pump. Cars that require premium can cost hundreds more a year, so sticking with regular where the manufacturer allows it is a saving many drivers overlook.
Driving style and upkeep. Hard acceleration, speeding, and a neglected air filter or soft tires all quietly raise the bill. Gentle inputs and basic maintenance protect the MPG you paid for.
How the Subaru Outback compares
For an all-wheel-drive vehicle with this much space and ground clearance, the Outback is a standout on efficiency. Many crossovers with AWD sit several MPG lower, so the Outback’s ~29 combined delivers a smaller yearly fuel bill than much of the rugged-crossover class, without giving up capability.
If you are curious whether an electric vehicle would be cheaper to run than the Subaru Outback, the EV vs gas by state tool lays the two side by side using your local energy and fuel prices, which is the only fair way to compare.
How to cut your Subaru Outback’s gas costs
- Choose the base engine over the turbo XT if efficiency is your priority.
- Keep roof crossbars off when unused; they add drag and cost MPG.
- Buy on cheaper days with our best day to buy gas guide and a gas price app.
- Measure your real AWD mileage with the MPG calculator.
- Compare your state on the gas prices by state page.
Does fuel economy matter when buying a Subaru Outback?
More than most buyers realize. Two versions of the same vehicle with different MPG can differ by hundreds of dollars a year at the pump, and over a typical ownership period that gap can rival the price difference between trims or engines. When you compare a Subaru Outback against rivals, or one Subaru Outback engine against another, it pays to look past the monthly payment and fold the yearly fuel cost into the total. A slightly pricier but thriftier version often costs less to own once the gas is counted.
This is also where a hybrid, a smaller engine, or an efficient drivetrain earns its keep. Run the versions you are considering through the gas cost calculator side by side, and if you are open to going electric, the EV vs gas by state tool shows how charging would compare with fueling a Subaru Outback where you live.
So, is the Subaru Outback cheap to run?
Yes, notably so for an all-wheel-drive vehicle. The Outback’s efficient base engine keeps running costs down while still handling snow, dirt roads, and gear, which is exactly why it has such a loyal following among value-minded, adventure-ready drivers.
How we calculate these figures
The math is transparent: annual gas cost = (miles driven ÷ combined MPG) × price per gallon. We use the Subaru Outback’s combined fuel-economy rating from the EPA’s official ratings for recent model years, an assumed 13,500 miles a year (close to the U.S. average), and the current national average pump price of about $3.91 a gallon. Change any input and the total changes with it.
Pump prices trace to the U.S. Energy Information Administration (EIA) weekly retail survey, refreshed on our state price pages every business day. For your exact trim, engine, and model year, confirm the EPA rating and measure your real-world MPG with the MPG calculator. Read how we source everything on our methodology and sources pages.
Figures reviewed by Alex Morgan · Last reviewed: July 12, 2026
Frequently Asked Questions
How much does a Subaru Outback cost in gas per year?
About $1,885 a year for a typical 13,500-mile driver at roughly 28 MPG and the national average near $3.91 a gallon. The turbo XT costs a bit more.
What is the Subaru Outback’s MPG?
Recent base-engine Outbacks earn around 28 MPG combined (about 26 city, 32 highway). Turbocharged XT versions land near 26 combined.
How much does a Subaru Outback cost in gas per month?
Roughly $157 a month for a typical driver, depending on mileage and local prices.
Is the Subaru Outback good on gas?
Yes, especially for an all-wheel-drive vehicle. The base engine is efficient for its size and capability.
Does the Outback need premium fuel?
The standard engine runs on regular unleaded. Check your owner’s manual, since some turbo trims recommend premium for best performance.
The bottom line
Expect a Subaru Outback to cost around $1,885 a year in gas for a typical driver, or about $157 a month, with your real number rising or falling on your mileage and local prices. On running costs, the Subaru Outback is one of the efficient ones for its class, and a few simple habits shave even more off the total.
Want your exact figure? Run your mileage through the gas cost calculator and check today’s prices in your state. To see what fuel-saving habits are worth, try the fuel savings calculator.