2015 Audi S8 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 S8.

The 2015 Audi S8 runs on premium gasoline and is in the Midsize Cars car class.

Whether you are considering a purchase of the car, or just wanting to find out how economical and environmentally friendly (or un-friendly) your 2015 Audi S8 is, we have the information you need.

🛣 How Many Miles per Gallon (MPG) Does a 2015 Audi S8 Get?

First off, the most commonly asked question. A 2015 Audi S8 gets up to 16 miles per gallon in the city, and 27 miles per gallon on the highway.

The combined average MPG for the 2015 Audi S8 is 20 miles per gallon.

💵 What is the Average Yearly Fuel Cost for a 2015 Audi S8?

The estimated fuel costs for the 2015 Audi S8 is $3,700 per year.

That value has 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.

If you were to compare a 2015 Audi S8 to an average vehicle over 5 years, you will spend $7,000 more on fuel.

🛢 How Many Barrels of Petroleum Does a 2015 Audi S8 Consume?

The 2015 Audi S8 will consume roughly 15 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.

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

💨 How Many Grams of CO2 Does a 2015 Audi S8 Emit?

For every mile driven, the 2015 Audi S8 will emit 452 grams of CO2, which is about 6,780,000 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 231 trees would be needed to offset emissions from the 2015 Audi S8.


The table below covers all of the miles per gallon, engine specifications, and emission details we have for the 2015 Audi S8.

City MPG 16
Highway MPG 27
Combined MPG 20
Save/Spend vs Average Car Spend $7,000
Fuel Cost $3,700
Fuel Type 1 Premium
Barrels of Petroleum 15
Grams of CO2 6,780,000
Trees Needed to Offset 323
Drive All-Wheel Drive
Cylinders 8
Transmission Automatic (S8)
Vehicle Class Midsize Cars
Start/Stop? No
Supercharged? No
Turbocharged? Yes

Related Audi Models from 2015

If you're interested in other Audi models from 2015, you can find them in the table below. You can click the model link to find miles per gallon and emission information for that model.

Model Combined MPG
A8 L 21
RS 5 Cabriolet 18
S5 20
A3 quattro 27
A7 quattro 21
A4 26
A6 quattro 29
TT Roadster quattro 26
A3 35
R8 16
Q3 quattro 23
Q5 21
A8 22
A6 quattro 23
S5 21
A8 L 28
Q5 26
Q7 22
R8 Spyder 16
S5 Cabriolet 21


Ratings were provided by the manufacturer to the U.S. Department of Energy, which is where we sourced the data. Be advised that manufacturers may have upgraded, downgraded, or changed these ratings following the compilation of this data.

MPG Buddy does not guarantee the accuracy of this data, nor are we liable for any decisions made by referencing this data. Make sure to contact the specific car manufacturer to confirm accuracy.

Link To or Reference This Page

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  • "2015 Audi S8 MPG and Fuel Economy". MPG Buddy. Accessed on December 4, 2022. http://mpgbuddy.com/cars/audi/s8/2015.

  • "2015 Audi S8 MPG and Fuel Economy". MPG Buddy, http://mpgbuddy.com/cars/audi/s8/2015. Accessed 4 December, 2022

  • 2015 Audi S8 MPG and Fuel Economy. MPG Buddy. Retrieved from http://mpgbuddy.com/cars/audi/s8/2015.