12.7 gallons
16.5 gallons.
14.1 Gallons
17
15
18 gallons of regular gas. I used to drive one. GTP's use premium because of the supercharger.
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.
according to the manual it holds 16 gallons
normally twelve
17.5 gallons
According to the 1997 Mercury Grand Marquis Owner Guide : ( 20.0 U.S. gallons )
17.1 gallon 16 gallons usable
According to GM and www.feuleconomy.gov, the 2008 Pontiac Grand Prix has a 17 gallon gas tank.