According to the ( 2013 ) Ford Fusion Owner Guide :
Front wheel drive ( 16.5 U.S. gallons )
All wheel drive ( 17.5 )
one fuel tank is 14 gallons and other fuel tank is 16 gallons
15.7 gallons
Ford Mondeo '03 1.8 LX has 50 litre fuel tank
58.5 litres 58.5 litres
11.5 gallions
60.6 liters ( 16 U.S. gallons )
All models of the 2002 Ford Escort have a ( 48.5 litre / 12.8 U.S. gallon fuel tank )
I BELIEVE the 1992 Ford Explorer four door is ( 19.3 U.S. gallons )
According to the 1997 Ford Ranger owners manual : ( The SuperCab model has a 20.5 U.S. gallon / 77.6 litre fuel tank )
On average the size of a fuel tank on an SUV is usually around 23-30 gallons . The size of the tank will vary depending on the model. The 2012 Ford Escape Hybrid is considered to be the most fuel efficient.
See this link for specs--including fuel tank size: http://www.channel4.com/4car/road-tests/full-specification.jsp?version_id=595
The SuperCab version is 73.8 liters ( 19.5 U.S. gallons )