2015 Porsche 911 Carrera 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 Porsche 911 Carrera.

The 2015 Porsche 911 Carrera has 2 model options: Manual 7-spd 6-cyl, 3.4 L and Automatic (AM-S7) 6-cyl, 3.4 L.

The 2015 Porsche 911 Carrera Manual 7-spd 6-cyl, 3.4 L runs on premium gasoline and is in the Minicompact Cars car class.

The 2015 Porsche 911 Carrera Automatic (AM-S7) 6-cyl, 3.4 L runs on premium gasoline and is in the Minicompact Cars car class.

🛣 How Many Miles per Gallon (MPG) Does a 2015 Porsche 911 Carrera Get?

Across all models, the combined average MPG for the 2015 Porsche 911 Carrera is 23 miles per gallon.

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

Model OptionCombined MPGCity MPGHighway MPG
Manual 7-spd 6-cyl, 3.4 L221927
Automatic (AM-S7) 6-cyl, 3.4 L232028

💵 What is the Average Yearly Fuel Cost for a 2015 Porsche 911 Carrera?

The average fuel costs for all models of the 2015 Porsche 911 Carrera is $3,275.

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 Porsche 911 Carrera to an average vehicle over 5 years, you will spend $4,875 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
Manual 7-spd 6-cyl, 3.4 L$3,350spend $5,250 more
Automatic (AM-S7) 6-cyl, 3.4 L$3,200spend $4,500 more

🛢 How Many Barrels of Petroleum Does a 2015 Porsche 911 Carrera Consume?

Across all models, the average number barrels of petroleum that the 2015 Porsche 911 Carrera will consume in one year is 14 barrels.

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

Model OptionBarrels
Manual 7-spd 6-cyl, 3.4 L14
Automatic (AM-S7) 6-cyl, 3.4 L13

💨 How Many Grams of CO2 Does a 2015 Porsche 911 Carrera Emit?

The 2015 Porsche 911 Carrera will emit an average of about 5,962,500 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 203 trees would be needed to offset emissions from the 2015 Porsche 911 Carrera.

Overview

The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 2 2015 Porsche 911 Carrera model options.

Manual 7-spd 6-cyl, 3.4 L

The table below contains all of the details we have for the 2015 Porsche 911 Carrera Manual 7-spd 6-cyl, 3.4 L:

City MPG19
Highway MPG27
Combined MPG22
Save/Spend vs Average CarSpend $5,250
Fuel Cost$3,350
Fuel Type 1Premium
Barrels of Petroleum14
Grams of CO26,135,000
Trees Needed to Offset292
DriveRear-Wheel Drive
Cylinders6
Displacement3.4
TransmissionManual 7-spd
Vehicle ClassMinicompact Cars
Start/Stop?No
Supercharged?No
Turbocharged?No

Automatic (AM-S7) 6-cyl, 3.4 L

The table below contains all of the details we have for the 2015 Porsche 911 Carrera Automatic (AM-S7) 6-cyl, 3.4 L:

City MPG20
Highway MPG28
Combined MPG23
Save/Spend vs Average CarSpend $4,500
Fuel Cost$3,200
Fuel Type 1Premium
Barrels of Petroleum13
Grams of CO25,790,000
Trees Needed to Offset276
DriveRear-Wheel Drive
Cylinders6
Displacement3.4
TransmissionAutomatic (AM-S7)
Vehicle ClassMinicompact Cars
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.

  • "2015 Porsche 911 Carrera MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/porsche/911-carrera/2015.

  • "2015 Porsche 911 Carrera MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/porsche/911-carrera/2015. Accessed January 3, 2026.

  • 2015 Porsche 911 Carrera MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/porsche/911-carrera/2015.