2020 Rolls-Royce Cullinan MPG and Fuel Economy

On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2020 Rolls-Royce Cullinan.

The 2020 Rolls-Royce Cullinan runs on premium gasoline and is in the Midsize Station Wagons 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 2020 Rolls-Royce Cullinan is, we have the information you need.

🛣 How Many Miles per Gallon (MPG) Does a 2020 Rolls-Royce Cullinan Get?

First off, the most commonly asked question. A 2020 Rolls-Royce Cullinan gets up to 12 miles per gallon in the city, and 20 miles per gallon on the highway.

The combined average MPG for the 2020 Rolls-Royce Cullinan is 14 miles per gallon.

💵 What is the Average Yearly Fuel Cost for a 2020 Rolls-Royce Cullinan?

The estimated fuel costs for the 2020 Rolls-Royce Cullinan 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 2020 Rolls-Royce Cullinan to an average vehicle over 5 years, you will spend $15,000 more on fuel.

The 2020 Rolls-Royce Cullinan 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 2020 Rolls-Royce Cullinan 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 2020 Rolls-Royce Cullinan Consume?

The 2020 Rolls-Royce Cullinan 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 2020 Rolls-Royce Cullinan Emit?

For every mile driven, the 2020 Rolls-Royce Cullinan will emit 619 grams of CO2, which is about 9,285,000 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 316 trees would be needed to offset emissions from the 2020 Rolls-Royce Cullinan.

Overview

The table below covers all of the miles per gallon, engine specifications, and emission details we have for the 2020 Rolls-Royce Cullinan.

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 CO29,285,000
Trees Needed to Offset442
DriveAll-Wheel Drive
Cylinders12
Displacement6.7
TransmissionAutomatic (S8)
Vehicle ClassMidsize Station Wagons
Start/Stop?No
Supercharged?No
Turbocharged?Yes

Related Rolls-Royce Models from 2020

If you're interested in other Rolls-Royce models from 2020, 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.

  • "2020 Rolls-Royce Cullinan MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/rolls-royce/cullinan/2020.

  • "2020 Rolls-Royce Cullinan MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/rolls-royce/cullinan/2020. Accessed January 3, 2026.

  • 2020 Rolls-Royce Cullinan MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/rolls-royce/cullinan/2020.