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.
12.7 gallons
14 gallons
16.5 gallons.
15
14.1 Gallons
17
according to the manual it holds 16 gallons
17.5 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
Dependes on the motor but the four cylinder will hold a little over 2 gallons