2008 Chevrolet Cobalt MPG and Fuel Economy

On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2008 Chevrolet Cobalt.

The 2008 Chevrolet Cobalt has 5 model options: Manual 5-spd 4-cyl, 2.4 L, Automatic 4-spd 4-cyl, 2.2 L, Manual 5-spd 4-cyl, 2.2 L, Automatic 4-spd 4-cyl, 2.4 L and Manual 5-spd 4-cyl, 2.0 L.

The 2008 Chevrolet Cobalt Manual 5-spd 4-cyl, 2.4 L runs on premium gasoline and is in the Subcompact Cars car class.

The 2008 Chevrolet Cobalt Automatic 4-spd 4-cyl, 2.2 L runs on regular gasoline and is in the Subcompact Cars car class.

The 2008 Chevrolet Cobalt Manual 5-spd 4-cyl, 2.2 L runs on regular gasoline and is in the Subcompact Cars car class.

The 2008 Chevrolet Cobalt Automatic 4-spd 4-cyl, 2.4 L runs on premium gasoline and is in the Subcompact Cars car class.

The 2008 Chevrolet Cobalt Manual 5-spd 4-cyl, 2.0 L runs on premium gasoline and is in the Subcompact Cars car class.

🛣 How Many Miles per Gallon (MPG) Does a 2008 Chevrolet Cobalt Get?

Across all models, the combined average MPG for the 2008 Chevrolet Cobalt is 26 miles per gallon.

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

Model OptionCombined MPGCity MPGHighway MPG
Manual 5-spd 4-cyl, 2.4 L262232
Automatic 4-spd 4-cyl, 2.2 L262231
Manual 5-spd 4-cyl, 2.2 L272433
Automatic 4-spd 4-cyl, 2.4 L252231
Manual 5-spd 4-cyl, 2.0 L252230

💵 What is the Average Yearly Fuel Cost for a 2008 Chevrolet Cobalt?

The average fuel costs for all models of the 2008 Chevrolet Cobalt is $2,690.

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 2008 Chevrolet Cobalt to an average vehicle over 5 years, you will spend $1,950 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
Manual 5-spd 4-cyl, 2.4 L$2,850spend $2,750 more
Automatic 4-spd 4-cyl, 2.2 L$2,400spend $500 more
Manual 5-spd 4-cyl, 2.2 L$2,300save $0
Automatic 4-spd 4-cyl, 2.4 L$2,950spend $3,250 more
Manual 5-spd 4-cyl, 2.0 L$2,950spend $3,250 more

🛢 How Many Barrels of Petroleum Does a 2008 Chevrolet Cobalt Consume?

Across all models, the average number barrels of petroleum that the 2008 Chevrolet Cobalt will consume in one year is 11 barrels.

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

Model OptionBarrels
Manual 5-spd 4-cyl, 2.4 L11
Automatic 4-spd 4-cyl, 2.2 L11
Manual 5-spd 4-cyl, 2.2 L11
Automatic 4-spd 4-cyl, 2.4 L12
Manual 5-spd 4-cyl, 2.0 L12

💨 How Many Grams of CO2 Does a 2008 Chevrolet Cobalt Emit?

The 2008 Chevrolet Cobalt 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 2008 Chevrolet Cobalt.

Overview

The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 5 2008 Chevrolet Cobalt model options.

Manual 5-spd 4-cyl, 2.4 L

The table below contains all of the details we have for the 2008 Chevrolet Cobalt Manual 5-spd 4-cyl, 2.4 L:

City MPG22
Highway MPG32
Combined MPG26
Save/Spend vs Average CarSpend $2,750
Fuel Cost$2,850
Fuel Type 1Premium
Barrels of Petroleum11
Grams of CO2-15,000
Trees Needed to Offset-1
DriveFront-Wheel Drive
Cylinders4
Displacement2.4
TransmissionManual 5-spd
Vehicle ClassSubcompact Cars
Start/Stop?No
Supercharged?No
Turbocharged?No

Automatic 4-spd 4-cyl, 2.2 L

The table below contains all of the details we have for the 2008 Chevrolet Cobalt Automatic 4-spd 4-cyl, 2.2 L:

City MPG22
Highway MPG31
Combined MPG26
Save/Spend vs Average CarSpend $500
Fuel Cost$2,400
Fuel Type 1Regular
Barrels of Petroleum11
Grams of CO2-15,000
Trees Needed to Offset-1
DriveFront-Wheel Drive
Cylinders4
Displacement2.2
TransmissionAutomatic 4-spd
Vehicle ClassSubcompact Cars
Start/Stop?No
Supercharged?No
Turbocharged?No

Manual 5-spd 4-cyl, 2.2 L

The table below contains all of the details we have for the 2008 Chevrolet Cobalt Manual 5-spd 4-cyl, 2.2 L:

City MPG24
Highway MPG33
Combined MPG27
Save/Spend vs Average CarSave $0
Fuel Cost$2,300
Fuel Type 1Regular
Barrels of Petroleum11
Grams of CO2-15,000
Trees Needed to Offset-1
DriveFront-Wheel Drive
Cylinders4
Displacement2.2
TransmissionManual 5-spd
Vehicle ClassSubcompact Cars
Start/Stop?No
Supercharged?No
Turbocharged?No

Automatic 4-spd 4-cyl, 2.4 L

The table below contains all of the details we have for the 2008 Chevrolet Cobalt Automatic 4-spd 4-cyl, 2.4 L:

City MPG22
Highway MPG31
Combined MPG25
Save/Spend vs Average CarSpend $3,250
Fuel Cost$2,950
Fuel Type 1Premium
Barrels of Petroleum12
Grams of CO2-15,000
Trees Needed to Offset-1
DriveFront-Wheel Drive
Cylinders4
Displacement2.4
TransmissionAutomatic 4-spd
Vehicle ClassSubcompact Cars
Start/Stop?No
Supercharged?No
Turbocharged?No

Manual 5-spd 4-cyl, 2.0 L

The table below contains all of the details we have for the 2008 Chevrolet Cobalt Manual 5-spd 4-cyl, 2.0 L:

City MPG22
Highway MPG30
Combined MPG25
Save/Spend vs Average CarSpend $3,250
Fuel Cost$2,950
Fuel Type 1Premium
Barrels of Petroleum12
Grams of CO2-15,000
Trees Needed to Offset-1
DriveFront-Wheel Drive
Cylinders4
Displacement2
TransmissionManual 5-spd
Vehicle ClassSubcompact 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.

  • "2008 Chevrolet Cobalt MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/chevrolet/cobalt/2008.

  • "2008 Chevrolet Cobalt MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/chevrolet/cobalt/2008. Accessed January 3, 2026.

  • 2008 Chevrolet Cobalt MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/chevrolet/cobalt/2008.