poneypower89 said:They are 15.4 gallons... however, I have never been able to put over 12 in my tank, this is more than likely because the factory needle will say empty LONG before the gas tank is actually dry. This serves as a built in "reserve tank" function... it makes you feel like you gotta get the gas station quick when in reality you got lots of fuel left. FWI. I drove my stang for 50+ miles with the needle on E and the gas light on.