2021 Ford Mustang Convertible 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 Mustang Convertible.

The 2021 Ford Mustang Convertible has 4 model options: Manual 6-spd 4-cyl, 2.3 L, Automatic (S10) 4-cyl, 2.3 L, Automatic (S10) 8-cyl, 5.0 L and Automatic 10-spd 4-cyl, 2.3 L.

The 2021 Ford Mustang Convertible Manual 6-spd 4-cyl, 2.3 L runs on regular gasoline and is in the Subcompact Cars car class.

The 2021 Ford Mustang Convertible Automatic (S10) 4-cyl, 2.3 L runs on regular gasoline and is in the Subcompact Cars car class.

The 2021 Ford Mustang Convertible Automatic (S10) 8-cyl, 5.0 L runs on regular gasoline and is in the Subcompact Cars car class.

The 2021 Ford Mustang Convertible Automatic 10-spd 4-cyl, 2.3 L runs on regular gasoline and is in the Subcompact Cars car class.

🛣 How Many Miles per Gallon (MPG) Does a 2021 Ford Mustang Convertible Get?

Across all models, the combined average MPG for the 2021 Ford Mustang Convertible is 22 miles per gallon.

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

Model Option Combined MPG City MPG Highway MPG
Manual 6-spd 4-cyl, 2.3 L 23 20 27
Automatic (S10) 4-cyl, 2.3 L 23 20 28
Automatic (S10) 8-cyl, 5.0 L 18 15 23
Automatic 10-spd 4-cyl, 2.3 L 23 20 28

💵 What is the Average Yearly Fuel Cost for a 2021 Ford Mustang Convertible?

The average fuel costs for all models of the 2021 Ford Mustang Convertible is $2,900.

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 Mustang Convertible to an average vehicle over 5 years, you will spend $3,000 more on fuel.

The table below shows the fuel costs and 5-year save/spend for each model option:

Model Option Fuel Cost 5-Year Save/Spend
Manual 6-spd 4-cyl, 2.3 L $2,700 spend $2,000 more
Automatic (S10) 4-cyl, 2.3 L $2,700 spend $2,000 more
Automatic (S10) 8-cyl, 5.0 L $3,500 spend $6,000 more
Automatic 10-spd 4-cyl, 2.3 L $2,700 spend $2,000 more

🛢 How Many Barrels of Petroleum Does a 2021 Ford Mustang Convertible Consume?

Across all models, the average number barrels of petroleum that the 2021 Ford Mustang Convertible will consume in one year is 14 barrels.

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

Model Option Barrels
Manual 6-spd 4-cyl, 2.3 L 13
Automatic (S10) 4-cyl, 2.3 L 13
Automatic (S10) 8-cyl, 5.0 L 17
Automatic 10-spd 4-cyl, 2.3 L 13

💨 How Many Grams of CO2 Does a 2021 Ford Mustang Convertible Emit?

The 2021 Ford Mustang Convertible will emit an average of about 6,198,750 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 211 trees would be needed to offset emissions from the 2021 Ford Mustang Convertible.

Overview

The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 4 2021 Ford Mustang Convertible model options.

Manual 6-spd 4-cyl, 2.3 L

The table below contains all of the details we have for the 2021 Ford Mustang Convertible Manual 6-spd 4-cyl, 2.3 L:

City MPG 20
Highway MPG 27
Combined MPG 23
Save/Spend vs Average Car Spend $2,000
Fuel Cost $2,700
Fuel Type 1 Regular
Barrels of Petroleum 13
Grams of CO2 5,790,000
Trees Needed to Offset 276
Drive Rear-Wheel Drive
Cylinders 4
Transmission Manual 6-spd
Vehicle Class Subcompact Cars
Start/Stop? No
Supercharged? No
Turbocharged? Yes

Automatic (S10) 4-cyl, 2.3 L

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

City MPG 20
Highway MPG 28
Combined MPG 23
Save/Spend vs Average Car Spend $2,000
Fuel Cost $2,700
Fuel Type 1 Regular
Barrels of Petroleum 13
Grams of CO2 5,805,000
Trees Needed to Offset 276
Drive Rear-Wheel Drive
Cylinders 4
Transmission Automatic (S10)
Vehicle Class Subcompact Cars
Start/Stop? No
Supercharged? No
Turbocharged? Yes

Automatic (S10) 8-cyl, 5.0 L

The table below contains all of the details we have for the 2021 Ford Mustang Convertible Automatic (S10) 8-cyl, 5.0 L:

City MPG 15
Highway MPG 23
Combined MPG 18
Save/Spend vs Average Car Spend $6,000
Fuel Cost $3,500
Fuel Type 1 Regular
Barrels of Petroleum 17
Grams of CO2 7,395,000
Trees Needed to Offset 352
Drive Rear-Wheel Drive
Cylinders 8
Transmission Automatic (S10)
Vehicle Class Subcompact Cars
Start/Stop? No
Supercharged? No
Turbocharged? No

Automatic 10-spd 4-cyl, 2.3 L

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

City MPG 20
Highway MPG 28
Combined MPG 23
Save/Spend vs Average Car Spend $2,000
Fuel Cost $2,700
Fuel Type 1 Regular
Barrels of Petroleum 13
Grams of CO2 5,805,000
Trees Needed to Offset 276
Drive Rear-Wheel Drive
Cylinders 4
Transmission Automatic 10-spd
Vehicle Class Subcompact Cars
Start/Stop? No
Supercharged? No
Turbocharged? Yes

Disclaimer

Ratings were provided by the manufacturer to the U.S. Department of Energy, which is where we sourced the data. Be advised that manufacturers may have upgraded, downgraded, or changed these ratings following the compilation of this data.

MPG Buddy does not guarantee the accuracy of this data, nor are we liable for any decisions made by referencing this data. Make sure to contact the specific car manufacturer to confirm accuracy.

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