2021 Ford Explorer RWD 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 Ford Explorer RWD.

The 2021 Ford Explorer RWD has 3 model options: Automatic (S10) 4-cyl, 2.3 L, Automatic 10-spd 4-cyl, 2.3 L and Automatic (S10) 6-cyl, 3.0 L.

The 2021 Ford Explorer RWD Automatic (S10) 4-cyl, 2.3 L runs on regular gasoline and is in the Standard Sport Utility Vehicle 2WD car class.

The 2021 Ford Explorer RWD Automatic 10-spd 4-cyl, 2.3 L runs on regular gasoline and is in the Standard Sport Utility Vehicle 2WD car class.

The 2021 Ford Explorer RWD Automatic (S10) 6-cyl, 3.0 L runs on regular gasoline and is in the Standard Sport Utility Vehicle 2WD car class.

🛣 How Many Miles per Gallon (MPG) Does a 2021 Ford Explorer RWD Get?

Across all models, the combined average MPG for the 2021 Ford Explorer RWD is 23 miles per gallon.

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

Model OptionCombined MPGCity MPGHighway MPG
Automatic (S10) 4-cyl, 2.3 L242128
Automatic 10-spd 4-cyl, 2.3 L242128
Automatic (S10) 6-cyl, 3.0 L211826

💵 What is the Average Yearly Fuel Cost for a 2021 Ford Explorer RWD?

The average fuel costs for all models of the 2021 Ford Explorer RWD is $2,733.

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 2021 Ford Explorer RWD to an average vehicle over 5 years, you will spend $2,167 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 (S10) 4-cyl, 2.3 L$2,600spend $1,500 more
Automatic 10-spd 4-cyl, 2.3 L$2,600spend $1,500 more
Automatic (S10) 6-cyl, 3.0 L$3,000spend $3,500 more

🛢 How Many Barrels of Petroleum Does a 2021 Ford Explorer RWD Consume?

Across all models, the average number barrels of petroleum that the 2021 Ford Explorer RWD will consume in one year is 13 barrels.

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

Model OptionBarrels
Automatic (S10) 4-cyl, 2.3 L12
Automatic 10-spd 4-cyl, 2.3 L12
Automatic (S10) 6-cyl, 3.0 L14

💨 How Many Grams of CO2 Does a 2021 Ford Explorer RWD Emit?

The 2021 Ford Explorer RWD will emit an average of about 5,885,000 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 200 trees would be needed to offset emissions from the 2021 Ford Explorer RWD.

Overview

The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 3 2021 Ford Explorer RWD model options.

Automatic (S10) 4-cyl, 2.3 L

The table below contains all of the details we have for the 2021 Ford Explorer RWD Automatic (S10) 4-cyl, 2.3 L:

City MPG21
Highway MPG28
Combined MPG24
Save/Spend vs Average CarSpend $1,500
Fuel Cost$2,600
Fuel Type 1Regular
Barrels of Petroleum12
Grams of CO25,595,000
Trees Needed to Offset266
DriveRear-Wheel Drive
Cylinders4
Displacement2.3
TransmissionAutomatic (S10)
Vehicle ClassStandard Sport Utility Vehicle 2WD
Start/Stop?Yes
Supercharged?No
Turbocharged?Yes

Automatic 10-spd 4-cyl, 2.3 L

The table below contains all of the details we have for the 2021 Ford Explorer RWD Automatic 10-spd 4-cyl, 2.3 L:

City MPG21
Highway MPG28
Combined MPG24
Save/Spend vs Average CarSpend $1,500
Fuel Cost$2,600
Fuel Type 1Regular
Barrels of Petroleum12
Grams of CO25,595,000
Trees Needed to Offset266
DriveRear-Wheel Drive
Cylinders4
Displacement2.3
TransmissionAutomatic 10-spd
Vehicle ClassStandard Sport Utility Vehicle 2WD
Start/Stop?Yes
Supercharged?No
Turbocharged?Yes

Automatic (S10) 6-cyl, 3.0 L

The table below contains all of the details we have for the 2021 Ford Explorer RWD Automatic (S10) 6-cyl, 3.0 L:

City MPG18
Highway MPG26
Combined MPG21
Save/Spend vs Average CarSpend $3,500
Fuel Cost$3,000
Fuel Type 1Regular
Barrels of Petroleum14
Grams of CO26,465,000
Trees Needed to Offset308
DriveRear-Wheel Drive
Cylinders6
Displacement3
TransmissionAutomatic (S10)
Vehicle ClassStandard Sport Utility Vehicle 2WD
Start/Stop?Yes
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.

  • "2021 Ford Explorer RWD MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/ford/explorer-rwd/2021.

  • "2021 Ford Explorer RWD MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/ford/explorer-rwd/2021. Accessed January 3, 2026.

  • 2021 Ford Explorer RWD MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/ford/explorer-rwd/2021.