20 gallons of gas
12.7 gallons
18 gallons
I think 14.4 US Gallons in a 2002 Pontiac Grand AM. It should also say how big your fuel tank is in the owners manual.
16.5 gallons.
15
17
according to the manual it holds 16 gallons
normally twelve
According to GM and www.feuleconomy.gov, the 2008 Pontiac Grand Prix has a 17 gallon gas tank.
17.1 gallon 16 gallons usable
The 1991 Pontiac Grand Am gets 19 miles per gallon in the city, and 30 miles per gallon on the highway. It can hold up to 13.6 gallons of gas.
I get about 20-22 mpg on my 1993 Dodge Grand Caravan. Not sure how many gallons of gas it holds.