According to the ( 2009 ) Ford Fusion owner Guide :
For the front wheel drive ( 17.5 U.S. gallons )
For the all wheel drive ( 16.5 U.S. gallons )
16.5 gallons
I am getting close to 10 - 11 miles to the gallon in a 1989 ford dually with a 460 fuel injected engine.
Around 21 gallons
The 2002 Ford Explorer ( 4 door ) has a 22.5 U.S. gallon fuel tank
Check out www. fuel economy . gov ( no spaces )
A 1994 Ford Explorer should have a 20 gallon gas tank.
The 2006 Ford Fusion has 16 valves.
The 2012 Ford Fusion has 16 valves.
The 2008 Ford Fusion has 16 valves.
According to the 2005 Ford Ranger owners manual : The ( SuperCab body style ) has a 19.5 U.S. gallon fuel tank
The 2009 Ford Mustang V6 & V8 have 16 gallon fuel tanks
The 2010 Ford Fusion-Hybrid has 16 valves.