2014 Subaru Outback AWD MPG and Fuel Economy

On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2014 Subaru Outback AWD.

The 2014 Subaru Outback AWD has 3 model options: Manual 6-spd 4-cyl, 2.5 L, Automatic (variable gear ratios) 4-cyl, 2.5 L and Automatic (S5) 6-cyl, 3.6 L.

The 2014 Subaru Outback AWD Manual 6-spd 4-cyl, 2.5 L runs on regular gasoline and is in the Small Sport Utility Vehicle 4WD car class.

The 2014 Subaru Outback AWD Automatic (variable gear ratios) 4-cyl, 2.5 L runs on regular gasoline and is in the Small Sport Utility Vehicle 4WD car class.

The 2014 Subaru Outback AWD Automatic (S5) 6-cyl, 3.6 L runs on regular gasoline and is in the Small Sport Utility Vehicle 4WD car class.

🛣 How Many Miles per Gallon (MPG) Does a 2014 Subaru Outback AWD Get?

Across all models, the combined average MPG for the 2014 Subaru Outback AWD is 23 miles per gallon.

The table below breaks down the MPG for each model option:

Model OptionCombined MPGCity MPGHighway MPG
Manual 6-spd 4-cyl, 2.5 L242228
Automatic (variable gear ratios) 4-cyl, 2.5 L262430
Automatic (S5) 6-cyl, 3.6 L201824

💵 What is the Average Yearly Fuel Cost for a 2014 Subaru Outback AWD?

The average fuel costs for all models of the 2014 Subaru Outback AWD is $2,717.

The average fuel costs have been estimated by government regulators based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.

Comparing a 2014 Subaru Outback AWD to an average vehicle over 5 years, you will spend $2,083 more on fuel.

The table below shows the fuel costs and 5-year save/spend for each model option:

Model OptionFuel Cost5-Year Save/Spend
Manual 6-spd 4-cyl, 2.5 L$2,600spend $1,500 more
Automatic (variable gear ratios) 4-cyl, 2.5 L$2,400spend $500 more
Automatic (S5) 6-cyl, 3.6 L$3,150spend $4,250 more

🛢 How Many Barrels of Petroleum Does a 2014 Subaru Outback AWD Consume?

Across all models, the average number barrels of petroleum that the 2014 Subaru Outback AWD will consume in one year is 13 barrels.

The majority of the world's petroleum is sourced from countries like Saudi Arabia, Russia, Iraq, and the United States.

Model OptionBarrels
Manual 6-spd 4-cyl, 2.5 L12
Automatic (variable gear ratios) 4-cyl, 2.5 L11
Automatic (S5) 6-cyl, 3.6 L15

💨 How Many Grams of CO2 Does a 2014 Subaru Outback AWD Emit?

The 2014 Subaru Outback AWD will emit an average of about 5,765,000 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 197 trees would be needed to offset emissions from the 2014 Subaru Outback AWD.

Overview

The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 3 2014 Subaru Outback AWD model options.

Manual 6-spd 4-cyl, 2.5 L

The table below contains all of the details we have for the 2014 Subaru Outback AWD Manual 6-spd 4-cyl, 2.5 L:

City MPG22
Highway MPG28
Combined MPG24
Save/Spend vs Average CarSpend $1,500
Fuel Cost$2,600
Fuel Type 1Regular
Barrels of Petroleum12
Grams of CO25,520,000
Trees Needed to Offset263
DriveAll-Wheel Drive
Cylinders4
Displacement2.5
TransmissionManual 6-spd
Vehicle ClassSmall Sport Utility Vehicle 4WD
Start/Stop?No
Supercharged?No
Turbocharged?No

Automatic (variable gear ratios) 4-cyl, 2.5 L

The table below contains all of the details we have for the 2014 Subaru Outback AWD Automatic (variable gear ratios) 4-cyl, 2.5 L:

City MPG24
Highway MPG30
Combined MPG26
Save/Spend vs Average CarSpend $500
Fuel Cost$2,400
Fuel Type 1Regular
Barrels of Petroleum11
Grams of CO25,115,000
Trees Needed to Offset244
DriveAll-Wheel Drive
Cylinders4
Displacement2.5
TransmissionAutomatic (variable gear ratios)
Vehicle ClassSmall Sport Utility Vehicle 4WD
Start/Stop?No
Supercharged?No
Turbocharged?No

Automatic (S5) 6-cyl, 3.6 L

The table below contains all of the details we have for the 2014 Subaru Outback AWD Automatic (S5) 6-cyl, 3.6 L:

City MPG18
Highway MPG24
Combined MPG20
Save/Spend vs Average CarSpend $4,250
Fuel Cost$3,150
Fuel Type 1Regular
Barrels of Petroleum15
Grams of CO26,660,000
Trees Needed to Offset317
DriveAll-Wheel Drive
Cylinders6
Displacement3.6
TransmissionAutomatic (S5)
Vehicle ClassSmall Sport Utility Vehicle 4WD
Start/Stop?No
Supercharged?No
Turbocharged?No

Link To or Reference This Page

If you use this page in your research, please reference MPG Buddy as the source.

  • "2014 Subaru Outback AWD MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/subaru/outback-awd/2014.

  • "2014 Subaru Outback AWD MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/subaru/outback-awd/2014. Accessed January 3, 2026.

  • 2014 Subaru Outback AWD MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/subaru/outback-awd/2014.