2008 Aston Martin DB9 Coupe MPG and Fuel Economy

On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2008 Aston Martin DB9 Coupe.

The 2008 Aston Martin DB9 Coupe has 2 model options: Manual 6-spd 12-cyl, 5.9 L and Automatic (S6) 12-cyl, 5.9 L.

The 2008 Aston Martin DB9 Coupe Manual 6-spd 12-cyl, 5.9 L runs on premium gasoline and is in the Minicompact Cars car class.

The 2008 Aston Martin DB9 Coupe Automatic (S6) 12-cyl, 5.9 L runs on premium gasoline and is in the Minicompact Cars car class.

🛣 How Many Miles per Gallon (MPG) Does a 2008 Aston Martin DB9 Coupe Get?

Across all models, the combined average MPG for the 2008 Aston Martin DB9 Coupe is 13 miles per gallon.

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

Model OptionCombined MPGCity MPGHighway MPG
Manual 6-spd 12-cyl, 5.9 L121016
Automatic (S6) 12-cyl, 5.9 L131118

💵 What is the Average Yearly Fuel Cost for a 2008 Aston Martin DB9 Coupe?

The average fuel costs for all models of the 2008 Aston Martin DB9 Coupe is $5,925.

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 2008 Aston Martin DB9 Coupe to an average vehicle over 5 years, you will spend $18,125 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 12-cyl, 5.9 L$6,150spend $19,250 more
Automatic (S6) 12-cyl, 5.9 L$5,700spend $17,000 more

The 2008 Aston Martin DB9 Coupe is also subject to the Gas Guzzler Tax, which is a federal tax on vehicles that has a combined MPG of less than 22.5.

The tables below show how much you can expect to pay in Gas Guzzler taxes.

Model OptionGas Guzzler Tax
Manual 6-spd 12-cyl, 5.9 L$7,700
Model OptionGas Guzzler Tax
Automatic (S6) 12-cyl, 5.9 L$6,400

🛢 How Many Barrels of Petroleum Does a 2008 Aston Martin DB9 Coupe Consume?

Across all models, the average number barrels of petroleum that the 2008 Aston Martin DB9 Coupe will consume in one year is 24 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 12-cyl, 5.9 L25
Automatic (S6) 12-cyl, 5.9 L23

💨 How Many Grams of CO2 Does a 2008 Aston Martin DB9 Coupe Emit?

The 2008 Aston Martin DB9 Coupe will emit an average of about -15,000 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 1 tree would be needed to offset emissions from the 2008 Aston Martin DB9 Coupe.

Overview

The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 2 2008 Aston Martin DB9 Coupe model options.

Manual 6-spd 12-cyl, 5.9 L

The table below contains all of the details we have for the 2008 Aston Martin DB9 Coupe Manual 6-spd 12-cyl, 5.9 L:

City MPG10
Highway MPG16
Combined MPG12
Save/Spend vs Average CarSpend $19,250
Gas Guzzler Tax$7,700
Fuel Cost$6,150
Fuel Type 1Premium
Barrels of Petroleum25
Grams of CO2-15,000
Trees Needed to Offset-1
DriveRear-Wheel Drive
Cylinders12
Displacement5.9
TransmissionManual 6-spd
Vehicle ClassMinicompact Cars
Start/Stop?No
Supercharged?No
Turbocharged?No

Automatic (S6) 12-cyl, 5.9 L

The table below contains all of the details we have for the 2008 Aston Martin DB9 Coupe Automatic (S6) 12-cyl, 5.9 L:

City MPG11
Highway MPG18
Combined MPG13
Save/Spend vs Average CarSpend $17,000
Gas Guzzler Tax$6,400
Fuel Cost$5,700
Fuel Type 1Premium
Barrels of Petroleum23
Grams of CO2-15,000
Trees Needed to Offset-1
DriveRear-Wheel Drive
Cylinders12
Displacement5.9
TransmissionAutomatic (S6)
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.

  • "2008 Aston Martin DB9 Coupe MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/aston-martin/db9-coupe/2008.

  • "2008 Aston Martin DB9 Coupe MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/aston-martin/db9-coupe/2008. Accessed January 3, 2026.

  • 2008 Aston Martin DB9 Coupe MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/aston-martin/db9-coupe/2008.