2021 Volkswagen Jetta 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 Volkswagen Jetta.

The 2021 Volkswagen Jetta has 2 model options: Automatic (S8) 4-cyl, 1.4 L and Manual 6-spd 4-cyl, 1.4 L.

The 2021 Volkswagen Jetta Automatic (S8) 4-cyl, 1.4 L runs on regular gasoline and is in the Compact Cars car class.

The 2021 Volkswagen Jetta Manual 6-spd 4-cyl, 1.4 L runs on regular gasoline and is in the Compact Cars car class.

🛣 How Many Miles per Gallon (MPG) Does a 2021 Volkswagen Jetta Get?

Across all models, the combined average MPG for the 2021 Volkswagen Jetta is 34 miles per gallon.

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

Model OptionCombined MPGCity MPGHighway MPG
Automatic (S8) 4-cyl, 1.4 L332939
Manual 6-spd 4-cyl, 1.4 L343041

💵 What is the Average Yearly Fuel Cost for a 2021 Volkswagen Jetta?

The average fuel costs for all models of the 2021 Volkswagen Jetta is $1,875.

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 Volkswagen Jetta to an average vehicle over 5 years, you will save $2,125 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 (S8) 4-cyl, 1.4 L$1,900save $2,000
Manual 6-spd 4-cyl, 1.4 L$1,850save $2,250

🛢 How Many Barrels of Petroleum Does a 2021 Volkswagen Jetta Consume?

Across all models, the average number barrels of petroleum that the 2021 Volkswagen Jetta will consume in one year is 9 barrels.

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

Model OptionBarrels
Automatic (S8) 4-cyl, 1.4 L9
Manual 6-spd 4-cyl, 1.4 L9

💨 How Many Grams of CO2 Does a 2021 Volkswagen Jetta Emit?

The 2021 Volkswagen Jetta will emit an average of about 3,945,000 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 135 trees would be needed to offset emissions from the 2021 Volkswagen Jetta.

Overview

The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 2 2021 Volkswagen Jetta model options.

Automatic (S8) 4-cyl, 1.4 L

The table below contains all of the details we have for the 2021 Volkswagen Jetta Automatic (S8) 4-cyl, 1.4 L:

City MPG29
Highway MPG39
Combined MPG33
Save/Spend vs Average CarSave $2,000
Fuel Cost$1,900
Fuel Type 1Regular
Barrels of Petroleum9
Grams of CO23,990,000
Trees Needed to Offset190
DriveFront-Wheel Drive
Cylinders4
Displacement1.4
TransmissionAutomatic (S8)
Vehicle ClassCompact Cars
Start/Stop?Yes
Supercharged?No
Turbocharged?Yes

Manual 6-spd 4-cyl, 1.4 L

The table below contains all of the details we have for the 2021 Volkswagen Jetta Manual 6-spd 4-cyl, 1.4 L:

City MPG30
Highway MPG41
Combined MPG34
Save/Spend vs Average CarSave $2,250
Fuel Cost$1,850
Fuel Type 1Regular
Barrels of Petroleum9
Grams of CO23,900,000
Trees Needed to Offset186
DriveFront-Wheel Drive
Cylinders4
Displacement1.4
TransmissionManual 6-spd
Vehicle ClassCompact Cars
Start/Stop?No
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 Volkswagen Jetta MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/volkswagen/jetta/2021.

  • "2021 Volkswagen Jetta MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/volkswagen/jetta/2021. Accessed January 3, 2026.

  • 2021 Volkswagen Jetta MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/volkswagen/jetta/2021.