Subaru · 2020
Outback AWD 2.4L 4-cyl
✓ EPA Verified
Regular Gasoline
Small Sport Utility Vehicle 4WD
All-Wheel Drive
City
23
MPG
Combined
26
MPG
Highway
30
MPG
Annual Fuel Cost
$1,700
Based on 15,000 miles/year · EPA estimates
vs avg gas vehicle
$450
saved per year
Class Comparison — Small Sport Utility Vehicle 4WD
Top 39%
Better than 61 out of 100 vehicles in its class for fuel efficiency.
This vehicle: 26 MPG
This vehicle
26 MPG
Class average
31 MPG
Class lowest
14 MPG
EPA Energy & Environment Scores
5
Energy Score
Out of 10
5
GHG Score
Out of 10
343 lbs
Annual CO₂
g/mile tailpipe CO₂
Yes
Start-Stop
Auto stop-start
Vehicle Specifications
Engine2.4L 4-cyl
TransmissionAutomatic (AV-S8)
DriveAll-Wheel Drive
Fuel TypeRegular Gasoline
Vehicle ClassSmall Sport Utility Vehicle 4WD
Engine DescSIDI
Start-StopYes
EPA Vehicle ID41570

The 2020 Subaru Outback’s 26 MPG combined rating isn’t going to win any hypermiling awards, but it’s perfectly acceptable for what this vehicle is: a supremely practical, generously sized, and genuinely capable all-wheel-drive wagon. Owners aren’t typically prioritizing ultimate fuel efficiency above all else. They’re choosing the Outback for its blend of go-anywhere confidence, cargo capacity, and Subaru’s reputation for longevity, accepting the fuel consumption as a reasonable trade-off.

City and highway performance

The EPA estimates the 2020 Outback 2.4L at 23 MPG in the city and 30 MPG on the highway. The city figure reflects the demands of stop-and-go traffic, where the Outback’s naturally aspirated 2.4-liter engine and all-wheel-drive system require more energy. The highway number, however, illustrates the benefits of the Outback’s well-tuned automatic transmission (AV-S8) and relatively aerodynamic profile, allowing it to cruise efficiently at higher speeds. Drivers who frequently commute on the highway will likely see fuel consumption closer to that 30 MPG figure, while those primarily navigating urban environments should expect results near the 23 MPG city valuation.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2020 Subaru Outback 2.4L at precisely $1,700. This figure is based on driving 15,000 miles per year and using the national average fuel prices at the time of calculation. Your personal fuel expenses will vary depending on your driving habits, the type of fuel you purchase, and local gas prices. However, $1,700 provides a useful benchmark for comparing the Outback’s running costs against other vehicles in its class.

Real-world expectations

While EPA estimates offer a standardized comparison, real-world fuel economy often deviates. Some Outback owners report figures slightly below the official 26 MPG combined rating, particularly those living in areas with hilly terrain or experiencing frequent cold weather. The all-wheel-drive system, while providing exceptional traction, adds weight and frictional losses that impact fuel consumption. Aggressive driving habits, such as frequent hard acceleration, will also diminish fuel economy. Conversely, drivers who practice smooth acceleration and maintain consistent speeds can often achieve numbers closer to, or even slightly exceeding, the EPA estimates. It’s important to remember that 26 MPG represents a controlled test environment, not a guarantee.

How it compares

The Outback’s fuel economy is generally competitive within its class. The Toyota RAV4 AWD, for example, achieves a slightly better 28 MPG combined. However, the RAV4 prioritizes fuel efficiency more overtly, whereas the Outback offers a larger cargo area and a more strong, wagon-like driving experience. The Honda CR-V AWD offers very similar economy figures to the RAV4. Looking at other Subaru models, you can analyze all Subaru fuel economy data to see how the Outback stacks up within the brand’s own lineup. If you’re considering older models, browsing the OUTBACK MPG across all years will show how economy has evolved over time. For buyers considering other wagons, the Audi A4 Allroad, a more premium offering, achieves around 25 MPG combined, demonstrating the Outback’s value, even considering fuel costs. Buyers choosing the Outback are often willing to sacrifice a couple of MPG for the increased practicality and capability it offers.

Tips to maximize efficiency

Maintain proper tire inflation. The Outback’s recommended tire pressure ensures optimal rolling resistance. Check your tire pressures regularly, especially during temperature changes, as this impacts fuel economy.

Avoid unnecessary idling. Modern engines are designed to be started and stopped efficiently. Excessive idling wastes fuel and emits unnecessary pollutants. If you anticipate being stationary for more than a minute, turn off the engine.

Drive smoothly. The Outback responds best to smooth acceleration and gentle braking. Reduce aggressive driving habits like rapid acceleration, hard braking or speeding which can dramatically decrease your MPG.

Lighten the load. Carrying excessive weight in the Outback reduces fuel efficiency. Remove any unnecessary items from the cargo area and passenger compartments to minimize the vehicle’s overall load.

Consider using cruise control on the highway. Maintaining a consistent speed minimizes fluctuations in fuel consumption. Using cruise control on level roads can help optimize fuel economy during highway driving.