I have a 2011 Mustang and it has a 16 gallon tank.
15 gallons
20 gallon
15 gallon
16 gallons
13.6 Gallons
According to my Chilton's Auto Repair Manual : A 1989 Ford Mustang has a ( 15.4 U.S. gallon gas tank )
According to my Chilton's Auto Repair Manual : A 1990 Ford Mustang has a ( 15.4 U.S. gallon gas tank )
15.4 gallons
I believe its 15 gallons
15.7 gallons ( 59.4 liters )
58.7 liters ( 15.5 U.S. gallons ) is the gas tank capacity on a 1999 Ford Mustang