I have a 2008 Ford Fusion SE 3.0L V6 All-Wheel Drive and when the fuel pump stops clicking at the gas station, it reads that I've put in 14 gallons of fuel. That's what I got when my fuel was so low that the warning light came on. So I'd say it is probably a 15 gallon tank on the Ford Fusions.
The 2008 Ford Fusion runs on regular unleaded.
On the fuel pump
The fuel filter, in a 2008 Ford fusion, is located inside of the fuel tank. Drain the fuel from the fuel tank. Remove the fuel filter plate. The fuel filter will slide out. Reverse the process to install the new fuel filter.
According to the 2010 Ford Fusion Hybrid Owner Guide : ( the fuel tank holds 17.5 U.S. gallons / 66.2 liters )
The fuel tank capacity is ( 16 gallons ) on the 2008 Ford Mustang
What is the fuel capacity on a Ford F150
In a 2008 Ford Ranger : The ( SuperCab ) gas tank holds ( 73.8 liters / 19.5 U.S. gallons )
2008 Model LWB HR = 80 litres
The 2012 Ford Fusion runs on regular unleaded.
The 2007 Ford Fusion runs on regular unleaded.
The 2010 Ford Fusion runs on regular unleaded.
The 2009 Ford Fusion runs on regular unleaded.