2007 Mercury Mariner FWD MPG and Fuel Economy

On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2007 Mercury Mariner FWD.

The 2007 Mercury Mariner FWD has 2 model options: Automatic 4-spd 4-cyl, 2.3 L and Automatic 4-spd 6-cyl, 3.0 L.

The 2007 Mercury Mariner FWD Automatic 4-spd 4-cyl, 2.3 L runs on regular gasoline and is in the Sport Utility Vehicle - 2WD car class.

The 2007 Mercury Mariner FWD Automatic 4-spd 6-cyl, 3.0 L runs on regular gasoline and is in the Sport Utility Vehicle - 2WD car class.

🛣 How Many Miles per Gallon (MPG) Does a 2007 Mercury Mariner FWD Get?

Across all models, the combined average MPG for the 2007 Mercury Mariner FWD is 21 miles per gallon.

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

Model OptionCombined MPGCity MPGHighway MPG
Automatic 4-spd 4-cyl, 2.3 L212024
Automatic 4-spd 6-cyl, 3.0 L201823

💵 What is the Average Yearly Fuel Cost for a 2007 Mercury Mariner FWD?

The average fuel costs for all models of the 2007 Mercury Mariner FWD is $3,075.

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 2007 Mercury Mariner FWD to an average vehicle over 5 years, you will spend $3,875 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 4-cyl, 2.3 L$3,000spend $3,500 more
Automatic 4-spd 6-cyl, 3.0 L$3,150spend $4,250 more

🛢 How Many Barrels of Petroleum Does a 2007 Mercury Mariner FWD Consume?

Across all models, the average number barrels of petroleum that the 2007 Mercury Mariner FWD will consume in one year is 15 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 4-cyl, 2.3 L14
Automatic 4-spd 6-cyl, 3.0 L15

💨 How Many Grams of CO2 Does a 2007 Mercury Mariner FWD Emit?

The 2007 Mercury Mariner FWD 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 2007 Mercury Mariner FWD.

Overview

The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 2 2007 Mercury Mariner FWD model options.

Automatic 4-spd 4-cyl, 2.3 L

The table below contains all of the details we have for the 2007 Mercury Mariner FWD Automatic 4-spd 4-cyl, 2.3 L:

City MPG20
Highway MPG24
Combined MPG21
Save/Spend vs Average CarSpend $3,500
Fuel Cost$3,000
Fuel Type 1Regular
Barrels of Petroleum14
Grams of CO2-15,000
Trees Needed to Offset-1
DriveFront-Wheel Drive
Cylinders4
Displacement2.3
TransmissionAutomatic 4-spd
Vehicle ClassSport Utility Vehicle - 2WD
Start/Stop?No
Supercharged?No
Turbocharged?No

Automatic 4-spd 6-cyl, 3.0 L

The table below contains all of the details we have for the 2007 Mercury Mariner FWD Automatic 4-spd 6-cyl, 3.0 L:

City MPG18
Highway MPG23
Combined MPG20
Save/Spend vs Average CarSpend $4,250
Fuel Cost$3,150
Fuel Type 1Regular
Barrels of Petroleum15
Grams of CO2-15,000
Trees Needed to Offset-1
DriveFront-Wheel Drive
Cylinders6
Displacement3
TransmissionAutomatic 4-spd
Vehicle ClassSport Utility Vehicle - 2WD
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.

  • "2007 Mercury Mariner FWD MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/mercury/mariner-fwd/2007.

  • "2007 Mercury Mariner FWD MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/mercury/mariner-fwd/2007. Accessed January 3, 2026.

  • 2007 Mercury Mariner FWD MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/mercury/mariner-fwd/2007.