2006 Mercury Grand Marquis MPG and Fuel Economy

On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2006 Mercury Grand Marquis.

The 2006 Mercury Grand Marquis has 2 model options: Automatic 4-spd 8-cyl, 4.6 L and Automatic 4-spd 8-cyl, 4.6 L.

The 2006 Mercury Grand Marquis Automatic 4-spd 8-cyl, 4.6 L runs on regular gasoline and is in the Large Cars car class.

The 2006 Mercury Grand Marquis Automatic 4-spd 8-cyl, 4.6 L runs on regular gasoline and is in the Large Cars car class.

🛣 How Many Miles per Gallon (MPG) Does a 2006 Mercury Grand Marquis Get?

Across all models, the combined average MPG for the 2006 Mercury Grand Marquis is 18 miles per gallon.

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

Model OptionCombined MPGCity MPGHighway MPG
Automatic 4-spd 8-cyl, 4.6 L181523
Automatic 4-spd 8-cyl, 4.6 L181523

💵 What is the Average Yearly Fuel Cost for a 2006 Mercury Grand Marquis?

The average fuel costs for all models of the 2006 Mercury Grand Marquis is $3,500.

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 2006 Mercury Grand Marquis to an average vehicle over 5 years, you will spend $6,000 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 4-spd 8-cyl, 4.6 L$3,500spend $6,000 more
Automatic 4-spd 8-cyl, 4.6 L$3,500spend $6,000 more

🛢 How Many Barrels of Petroleum Does a 2006 Mercury Grand Marquis Consume?

Across all models, the average number barrels of petroleum that the 2006 Mercury Grand Marquis will consume in one year is 17 barrels.

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

Model OptionBarrels
Automatic 4-spd 8-cyl, 4.6 L17
Automatic 4-spd 8-cyl, 4.6 L17

💨 How Many Grams of CO2 Does a 2006 Mercury Grand Marquis Emit?

The 2006 Mercury Grand Marquis 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 2006 Mercury Grand Marquis.

Overview

The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 2 2006 Mercury Grand Marquis model options.

Automatic 4-spd 8-cyl, 4.6 L

The table below contains all of the details we have for the 2006 Mercury Grand Marquis Automatic 4-spd 8-cyl, 4.6 L:

City MPG15
Highway MPG23
Combined MPG18
Save/Spend vs Average CarSpend $6,000
Fuel Cost$3,500
Fuel Type 1Regular
Barrels of Petroleum17
Grams of CO2-15,000
Trees Needed to Offset-1
DriveRear-Wheel Drive
Cylinders8
Displacement4.6
TransmissionAutomatic 4-spd
Vehicle ClassLarge Cars
Start/Stop?No
Supercharged?No
Turbocharged?No

Automatic 4-spd 8-cyl, 4.6 L

The table below contains all of the details we have for the 2006 Mercury Grand Marquis Automatic 4-spd 8-cyl, 4.6 L:

City MPG15
Highway MPG23
Combined MPG18
Save/Spend vs Average CarSpend $6,000
Fuel Cost$3,500
Fuel Type 1Gasoline or E85
Fuel Type 2E85
ATV TypeFFV
Barrels of Petroleum17
Grams of CO2-15,000
Trees Needed to Offset-1
DriveRear-Wheel Drive
Cylinders8
Displacement4.6
TransmissionAutomatic 4-spd
Vehicle ClassLarge 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.

  • "2006 Mercury Grand Marquis MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/mercury/grand-marquis/2006.

  • "2006 Mercury Grand Marquis MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/mercury/grand-marquis/2006. Accessed January 3, 2026.

  • 2006 Mercury Grand Marquis MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/mercury/grand-marquis/2006.