2018 Bentley Flying Spur MPG and Fuel Economy

On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2018 Bentley Flying Spur.

The 2018 Bentley Flying Spur has 2 model options: Automatic (S8) 8-cyl, 4.0 L and Automatic (S8) 12-cyl, 6.0 L.

The 2018 Bentley Flying Spur Automatic (S8) 8-cyl, 4.0 L runs on premium gasoline and is in the Midsize Cars car class.

The 2018 Bentley Flying Spur Automatic (S8) 12-cyl, 6.0 L runs on premium gasoline and is in the Midsize Cars car class.

🛣 How Many Miles per Gallon (MPG) Does a 2018 Bentley Flying Spur Get?

Across all models, the combined average MPG for the 2018 Bentley Flying Spur is 15 miles per gallon.

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

Model OptionCombined MPGCity MPGHighway MPG
Automatic (S8) 8-cyl, 4.0 L161322
Automatic (S8) 12-cyl, 6.0 L141220

💵 What is the Average Yearly Fuel Cost for a 2018 Bentley Flying Spur?

The average fuel costs for all models of the 2018 Bentley Flying Spur is $4,950.

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 2018 Bentley Flying Spur to an average vehicle over 5 years, you will spend $13,250 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 (S8) 8-cyl, 4.0 L$4,600spend $11,500 more
Automatic (S8) 12-cyl, 6.0 L$5,300spend $15,000 more

The 2018 Bentley Flying Spur 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
Automatic (S8) 8-cyl, 4.0 L$3,700
Model OptionGas Guzzler Tax
Automatic (S8) 12-cyl, 6.0 L$5,400

🛢 How Many Barrels of Petroleum Does a 2018 Bentley Flying Spur Consume?

Across all models, the average number barrels of petroleum that the 2018 Bentley Flying Spur will consume in one year is 20 barrels.

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

Model OptionBarrels
Automatic (S8) 8-cyl, 4.0 L19
Automatic (S8) 12-cyl, 6.0 L21

💨 How Many Grams of CO2 Does a 2018 Bentley Flying Spur Emit?

The 2018 Bentley Flying Spur will emit an average of about 8,962,500 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 305 trees would be needed to offset emissions from the 2018 Bentley Flying Spur.

Overview

The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 2 2018 Bentley Flying Spur model options.

Automatic (S8) 8-cyl, 4.0 L

The table below contains all of the details we have for the 2018 Bentley Flying Spur Automatic (S8) 8-cyl, 4.0 L:

City MPG13
Highway MPG22
Combined MPG16
Save/Spend vs Average CarSpend $11,500
Gas Guzzler Tax$3,700
Fuel Cost$4,600
Fuel Type 1Premium
Barrels of Petroleum19
Grams of CO28,520,000
Trees Needed to Offset406
DriveAll-Wheel Drive
Cylinders8
Displacement4
TransmissionAutomatic (S8)
Vehicle ClassMidsize Cars
Start/Stop?No
Supercharged?No
Turbocharged?Yes

Automatic (S8) 12-cyl, 6.0 L

The table below contains all of the details we have for the 2018 Bentley Flying Spur Automatic (S8) 12-cyl, 6.0 L:

City MPG12
Highway MPG20
Combined MPG14
Save/Spend vs Average CarSpend $15,000
Gas Guzzler Tax$5,400
Fuel Cost$5,300
Fuel Type 1Premium
Barrels of Petroleum21
Grams of CO29,405,000
Trees Needed to Offset448
DriveAll-Wheel Drive
Cylinders12
Displacement6
TransmissionAutomatic (S8)
Vehicle ClassMidsize 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.

  • "2018 Bentley Flying Spur MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/bentley/flying-spur/2018.

  • "2018 Bentley Flying Spur MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/bentley/flying-spur/2018. Accessed January 3, 2026.

  • 2018 Bentley Flying Spur MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/bentley/flying-spur/2018.