16 Gallons maximum capacity.
15 gallon
According to my Chilton's Auto Repair Manual : A 1990 Ford Mustang has a ( 15.4 U.S. gallon gas tank )
According to my Chilton's Auto Repair Manual : A 1988 Ford Mustang has a ( 15.4 U.S. gallon gas tank )
for a GT (i think it's all the same though) the tank size is 15.4 gallons
13.6 Gallons
16 Gallons, you can view the specs here ... http://www.edmunds.com/used/2005/ford/mustang/100379992/specs.html
15.7 gallons
16 gallons ( 60.6 liters ) according to the Owner Guide
The gas tank on the 2005 Ford Mustang holds 16.0 gal..
I'm not sure of the gas tank size, since there are no V-6 engines in GT Mustangs. All GT's are 8 cylinders. Which do you have?????
The 2005-2007 Ford Mustang fuel tank capacitie is 16.0 gallons
Your gas tank will hold 16 gallons of fuel