The gas tank of the 2015 Ford Mustang has a capacity of 15.5 gallons. This applies to both the V6 and EcoBoost models, while the GT model also features the same tank capacity. This size allows for a reasonable driving range, depending on the engine and driving conditions.
I have a 2011 Mustang and it has a 16 gallon tank.
13.6 Gallons
20 gallon
15 gallons
15 gallon
16 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 )
15.7 gallons ( 59.4 liters )
I believe its 15 gallons
15.4 gallons
58.7 liters ( 15.5 U.S. gallons ) is the gas tank capacity on a 1999 Ford Mustang