2015 Audi A3 MPG and Fuel Economy

On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2015 Audi A3.

The 2015 Audi A3 has 2 model options: Automatic (AM-S6) 4-cyl, 1.8 L and Automatic (AM-S6) 4-cyl, 2.0 L.

The 2015 Audi A3 Automatic (AM-S6) 4-cyl, 1.8 L runs on premium gasoline and is in the Subcompact Cars car class.

The 2015 Audi A3 Automatic (AM-S6) 4-cyl, 2.0 L runs on diesel and is in the Subcompact Cars car class.

🛣 How Many Miles per Gallon (MPG) Does a 2015 Audi A3 Get?

Across all models, the combined average MPG for the 2015 Audi A3 is 31 miles per gallon.

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

Model OptionCombined MPGCity MPGHighway MPG
Automatic (AM-S6) 4-cyl, 1.8 L272333
Automatic (AM-S6) 4-cyl, 2.0 L353141

💵 What is the Average Yearly Fuel Cost for a 2015 Audi A3?

The average fuel costs for all models of the 2015 Audi A3 is $2,475.

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 2015 Audi A3 to an average vehicle over 5 years, you will spend $875 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
Automatic (AM-S6) 4-cyl, 1.8 L$2,750spend $2,250 more
Automatic (AM-S6) 4-cyl, 2.0 L$2,200save $500

🛢 How Many Barrels of Petroleum Does a 2015 Audi A3 Consume?

Across all models, the average number barrels of petroleum that the 2015 Audi A3 will consume in one year is 11 barrels.

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

Model OptionBarrels
Automatic (AM-S6) 4-cyl, 1.8 L11
Automatic (AM-S6) 4-cyl, 2.0 L10

💨 How Many Grams of CO2 Does a 2015 Audi A3 Emit?

The 2015 Audi A3 will emit an average of about 4,650,000 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 159 trees would be needed to offset emissions from the 2015 Audi A3.

Overview

The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 2 2015 Audi A3 model options.

Automatic (AM-S6) 4-cyl, 1.8 L

The table below contains all of the details we have for the 2015 Audi A3 Automatic (AM-S6) 4-cyl, 1.8 L:

City MPG23
Highway MPG33
Combined MPG27
Save/Spend vs Average CarSpend $2,250
Fuel Cost$2,750
Fuel Type 1Premium
Barrels of Petroleum11
Grams of CO24,920,000
Trees Needed to Offset234
DriveFront-Wheel Drive
Cylinders4
Displacement1.8
TransmissionAutomatic (AM-S6)
Vehicle ClassSubcompact Cars
Start/Stop?No
Supercharged?No
Turbocharged?Yes

Automatic (AM-S6) 4-cyl, 2.0 L

The table below contains all of the details we have for the 2015 Audi A3 Automatic (AM-S6) 4-cyl, 2.0 L:

City MPG31
Highway MPG41
Combined MPG35
Save/Spend vs Average CarSave $500
Fuel Cost$2,200
Fuel Type 1Diesel
ATV TypeDiesel
Barrels of Petroleum10
Grams of CO24,380,000
Trees Needed to Offset209
DriveFront-Wheel Drive
Cylinders4
Displacement2
TransmissionAutomatic (AM-S6)
Vehicle ClassSubcompact Cars
Start/Stop?No
Supercharged?No
Turbocharged?Yes

Link To or Reference This Page

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

  • "2015 Audi A3 MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/audi/a3/2015.

  • "2015 Audi A3 MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/audi/a3/2015. Accessed January 3, 2026.

  • 2015 Audi A3 MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/audi/a3/2015.