20 gallons of gas
17.1 gallon 16 gallons usable
14.30 Gallons
Mine holds almost 14 gallons
According to GM and www.feuleconomy.gov, the 2008 Pontiac Grand Prix has a 17 gallon gas tank.
My 99 Pontiac Grand AM SE has a tank capacity of about 11 gallons, give or take a few cups!
15 gallons
14.1 Gallons
The 2002 Pontiac Grand Am has a fuel tank (gasoline) with a capacity of 14.3 US/Imperial gallons. The 2002 Grand Am with the base 2.2L engine has an EPA estimated highway of 30 miles per gallon and 22 city.
17.5 gallons
In a 1991 Pontiac Grand Am : According to my Chilton's Auto Repair Manual : ( 13.6 U.S. gallons )
When filling an empty gas tank needs to be filled, it is important to know the tank size. The size of 2009 Pontiac grand prix gas tank is 17.5 gallons.