Fuel economy details
Pontiac G3 (3-Door) 2010
EPA fuel-economy estimates for 1 version of this vehicle. Review the published configuration below.
30combined MPG
27 / 35city / highway MPG
$2,250estimated annual fuel cost
How to use these estimates
EPA ratings use standardized city and highway tests, making them a useful starting point for comparing similar vehicles. For model years with several versions, choose the powertrain that matches the vehicle you are considering before relying on a rating.
Your actual fuel or electricity use can vary with weather, payload, driving style, maintenance, and local prices.
Manual 5-spd
30 combined MPGFuel typeRegular Gasoline
Vehicle classSubcompact Cars
DriveFront-Wheel Drive
TransmissionManual 5-spd
Tailpipe CO₂296 g/mi
EPA base modelG3
Efficiency and cost
- Estimated annual petroleum use
- 9.9 barrels
- Five-year fuel-cost comparison
- saves $750
Interior space
- Passenger volume
- 91 cu ft
- Luggage volume
- 7 cu ft
EPA class benchmark
Compared with 43 EPA records from 2010 in this vehicle class and fuel type.
- Efficiency position
- At or above 95%
- Combined MPG vs median
- 4 MPG above the class median.
- Annual cost vs median
- $350 lower than the class median.
Where these numbers come from
Source: EPA FuelEconomy.gov. This page was last updated on October 3, 2026. Learn more about how we use vehicle data.