2010 Pontiac G5 GT MPG and Fuel Economy

On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2010 Pontiac G5 GT.

The 2010 Pontiac G5 GT has 2 model options: Automatic 4-spd 4-cyl, 2.2 L and Manual 5-spd 4-cyl, 2.2 L.

The 2010 Pontiac G5 GT Automatic 4-spd 4-cyl, 2.2 L runs on regular gasoline and is in the Subcompact Cars car class.

The 2010 Pontiac G5 GT Manual 5-spd 4-cyl, 2.2 L runs on regular gasoline and is in the Subcompact Cars car class.

🛣 How Many Miles per Gallon (MPG) Does a 2010 Pontiac G5 GT Get?

Across all models, the combined average MPG for the 2010 Pontiac G5 GT is 28 miles per gallon.

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

Model OptionCombined MPGCity MPGHighway MPG
Automatic 4-spd 4-cyl, 2.2 L262332
Manual 5-spd 4-cyl, 2.2 L292535

💵 What is the Average Yearly Fuel Cost for a 2010 Pontiac G5 GT?

The average fuel costs for all models of the 2010 Pontiac G5 GT is $2,275.

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 2010 Pontiac G5 GT to an average vehicle over 5 years, you will save $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 4-spd 4-cyl, 2.2 L$2,400spend $500 more
Manual 5-spd 4-cyl, 2.2 L$2,150save $750

🛢 How Many Barrels of Petroleum Does a 2010 Pontiac G5 GT Consume?

Across all models, the average number barrels of petroleum that the 2010 Pontiac G5 GT 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
Automatic 4-spd 4-cyl, 2.2 L11
Manual 5-spd 4-cyl, 2.2 L10

💨 How Many Grams of CO2 Does a 2010 Pontiac G5 GT Emit?

The 2010 Pontiac G5 GT 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 2010 Pontiac G5 GT.

Overview

The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 2 2010 Pontiac G5 GT model options.

Automatic 4-spd 4-cyl, 2.2 L

The table below contains all of the details we have for the 2010 Pontiac G5 GT Automatic 4-spd 4-cyl, 2.2 L:

City MPG23
Highway MPG32
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 2010 Pontiac G5 GT Manual 5-spd 4-cyl, 2.2 L:

City MPG25
Highway MPG35
Combined MPG29
Save/Spend vs Average CarSave $750
Fuel Cost$2,150
Fuel Type 1Regular
Barrels of Petroleum10
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

Link To or Reference This Page

If you use this page in your research, please reference MPG Buddy as the source.

  • "2010 Pontiac G5 GT MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/pontiac/g5-gt/2010.

  • "2010 Pontiac G5 GT MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/pontiac/g5-gt/2010. Accessed January 3, 2026.

  • 2010 Pontiac G5 GT MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/pontiac/g5-gt/2010.