2021 Kia Soul 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 Kia Soul.

The 2021 Kia Soul has 3 model options: Automatic (variable gear ratios) 4-cyl, 2.0 L, Manual 6-spd 4-cyl, 2.0 L and Automatic (AM-S7) 4-cyl, 1.6 L.

The 2021 Kia Soul Automatic (variable gear ratios) 4-cyl, 2.0 L runs on regular gasoline and is in the Small Station Wagons car class.

The 2021 Kia Soul Manual 6-spd 4-cyl, 2.0 L runs on regular gasoline and is in the Small Station Wagons car class.

The 2021 Kia Soul Automatic (AM-S7) 4-cyl, 1.6 L runs on regular gasoline and is in the Small Station Wagons car class.

🛣 How Many Miles per Gallon (MPG) Does a 2021 Kia Soul Get?

Across all models, the combined average MPG for the 2021 Kia Soul is 29 miles per gallon.

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

Model OptionCombined MPGCity MPGHighway MPG
Automatic (variable gear ratios) 4-cyl, 2.0 L302833
Manual 6-spd 4-cyl, 2.0 L272531
Automatic (AM-S7) 4-cyl, 1.6 L292732

💵 What is the Average Yearly Fuel Cost for a 2021 Kia Soul?

The average fuel costs for all models of the 2021 Kia Soul is $2,183.

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 Kia Soul to an average vehicle over 5 years, you will save $583 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 (variable gear ratios) 4-cyl, 2.0 L$2,100save $1,000
Manual 6-spd 4-cyl, 2.0 L$2,300save $0
Automatic (AM-S7) 4-cyl, 1.6 L$2,150save $750

🛢 How Many Barrels of Petroleum Does a 2021 Kia Soul Consume?

Across all models, the average number barrels of petroleum that the 2021 Kia Soul will consume in one year is 10 barrels.

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

Model OptionBarrels
Automatic (variable gear ratios) 4-cyl, 2.0 L10
Manual 6-spd 4-cyl, 2.0 L11
Automatic (AM-S7) 4-cyl, 1.6 L10

💨 How Many Grams of CO2 Does a 2021 Kia Soul Emit?

The 2021 Kia Soul will emit an average of about 4,715,000 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 161 trees would be needed to offset emissions from the 2021 Kia Soul.

Overview

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

Automatic (variable gear ratios) 4-cyl, 2.0 L

The table below contains all of the details we have for the 2021 Kia Soul Automatic (variable gear ratios) 4-cyl, 2.0 L:

City MPG28
Highway MPG33
Combined MPG30
Save/Spend vs Average CarSave $1,000
Fuel Cost$2,100
Fuel Type 1Regular
Barrels of Petroleum10
Grams of CO24,530,000
Trees Needed to Offset216
DriveFront-Wheel Drive
Cylinders4
Displacement2
TransmissionAutomatic (variable gear ratios)
Vehicle ClassSmall Station Wagons
Start/Stop?Yes
Supercharged?No
Turbocharged?No

Manual 6-spd 4-cyl, 2.0 L

The table below contains all of the details we have for the 2021 Kia Soul Manual 6-spd 4-cyl, 2.0 L:

City MPG25
Highway MPG31
Combined MPG27
Save/Spend vs Average CarSave $0
Fuel Cost$2,300
Fuel Type 1Regular
Barrels of Petroleum11
Grams of CO24,980,000
Trees Needed to Offset237
DriveFront-Wheel Drive
Cylinders4
Displacement2
TransmissionManual 6-spd
Vehicle ClassSmall Station Wagons
Start/Stop?No
Supercharged?No
Turbocharged?No

Automatic (AM-S7) 4-cyl, 1.6 L

The table below contains all of the details we have for the 2021 Kia Soul Automatic (AM-S7) 4-cyl, 1.6 L:

City MPG27
Highway MPG32
Combined MPG29
Save/Spend vs Average CarSave $750
Fuel Cost$2,150
Fuel Type 1Regular
Barrels of Petroleum10
Grams of CO24,635,000
Trees Needed to Offset221
DriveFront-Wheel Drive
Cylinders4
Displacement1.6
TransmissionAutomatic (AM-S7)
Vehicle ClassSmall Station Wagons
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 Kia Soul MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/kia/soul/2021.

  • "2021 Kia Soul MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/kia/soul/2021. Accessed January 3, 2026.

  • 2021 Kia Soul MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/kia/soul/2021.