2021 Rolls-Royce Ghost EWB MPG and Fuel Economy

On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2021 Rolls-Royce Ghost EWB.

The 2021 Rolls-Royce Ghost EWB runs on premium gasoline and is in the Large 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 2021 Rolls-Royce Ghost EWB is, we have the information you need.

🛣 How Many Miles per Gallon (MPG) Does a 2021 Rolls-Royce Ghost EWB Get?

First off, the most commonly asked question. A 2021 Rolls-Royce Ghost EWB gets up to 12 miles per gallon in the city, and 19 miles per gallon on the highway.

The combined average MPG for the 2021 Rolls-Royce Ghost EWB is 14 miles per gallon.

💵 What is the Average Yearly Fuel Cost for a 2021 Rolls-Royce Ghost EWB?

The estimated fuel costs for the 2021 Rolls-Royce Ghost EWB is $5,300 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 2021 Rolls-Royce Ghost EWB to an average vehicle over 5 years, you will spend $15,000 more on fuel.

The 2021 Rolls-Royce Ghost EWB 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 combined average MPG for the 2021 Rolls-Royce Ghost EWB is 14 miles per gallon, and according to the current tax for each level of MPG, you can expect to pay a tax of $5,400 per year.

🛢 How Many Barrels of Petroleum Does a 2021 Rolls-Royce Ghost EWB Consume?

The 2021 Rolls-Royce Ghost EWB will consume roughly 21 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 2021 Rolls-Royce Ghost EWB Emit?

For every mile driven, the 2021 Rolls-Royce Ghost EWB will emit 623 grams of CO2, which is about 9,345,000 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 318 trees would be needed to offset emissions from the 2021 Rolls-Royce Ghost EWB.

Overview

The table below covers all of the miles per gallon, engine specifications, and emission details we have for the 2021 Rolls-Royce Ghost EWB.

City MPG12
Highway MPG19
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 CO29,345,000
Trees Needed to Offset445
DriveAll-Wheel Drive
Cylinders12
Displacement6.7
TransmissionAutomatic (S8)
Vehicle ClassLarge Cars
Start/Stop?No
Supercharged?No
Turbocharged?Yes

Related Rolls-Royce Models from 2021

If you're interested in other Rolls-Royce models from 2021, 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.

Link To or Reference This Page

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

  • "2021 Rolls-Royce Ghost EWB MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/rolls-royce/ghost-ewb/2021.

  • "2021 Rolls-Royce Ghost EWB MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/rolls-royce/ghost-ewb/2021. Accessed January 3, 2026.

  • 2021 Rolls-Royce Ghost EWB MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/rolls-royce/ghost-ewb/2021.