Are you researching the gas tank size in a Pontiac G8? On this page, we'll list all the gas tank sizes for the 2 years of data we have for the Pontiac G8 - from 2008 to the most recent model in 2009.
2009 Pontiac G8 Gas Tank Size
The 2009 Pontiac G8 has a gas tank size of 19.0 gallons. See the data outlined in the table below.
The 2009 Pontiac G8 has a maximum range in the city of 323 miles on a full tank of fuel.
The 2009 Pontiac G8 has a maximum highway driving range of 475 miles on a full tank of fuel.
2009 Pontiac G8 Gas Tank Mileage Comparison Table By Trim
Trim Package
Engine
Gas Tank Size (imperial)
Gas Tank Size (metric)
Full Tank Range - City Driving
Full Tank Range - Highway Driving
Gas Mileage - City Driving
Gas Mileage - Highway Driving
G8 V6 Sedan 4D
3.6L
19.0 gallons
71.9 liters
323 miles
475 miles
17 mpg
25 mpg
G8 V8 Sedan 4D GT
6.0L
19.0 gallons
71.9 liters
285 miles
456 miles
15 mpg
24 mpg
G8 V8 Sedan 4D GXP
6.2L
19.0 gallons
71.9 liters
247 miles
380 miles
13 mpg
20 mpg
2008 Pontiac G8 Gas Tank Size
The 2008 Pontiac G8 has a gas tank size of 19.2 gallons. See the data outlined in the table below.
The 2008 Pontiac G8 has a maximum range in the city of 326 miles on a full tank of fuel.
The 2008 Pontiac G8 has a maximum highway driving range of 480 miles on a full tank of fuel.
2008 Pontiac G8 Gas Tank Mileage Comparison Table By Trim