23gal
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According to the 2010 Ford Fusion Owner Guide :
Front wheel drive ( 17.5 U.S. gallons )
All wheel drive ( 16.5 )
The gas tank on the 2010 Ford Fusion holds 17.5 gal..
The 2007 Ford Fusion gas tank holds 17.5 gallons.
The gas tank on the 2010 Ford Fusion-Hybrid holds 17 gal..
According to the 2010 Ford Fusion Hybrid Owner Guide : ( the fuel tank holds 17.5 U.S. gallons / 66.2 liters )
17.5 gal (U.S.) 16.5 if AWD
For a 2010 Ford Fusion : front wheel drive ( 66.2 liters / 17.5 U.S. gallons ) all wheel drive ( 62.4 liters / 16.5 U.S. gallons )
About 13 gallons.
The gas tank on the 2011 Ford Fusion holds 17.5 gal..
The gas tank on the 2009 Ford Fusion holds 17.5 gal..
The gas tank on the 2008 Ford Fusion holds 17.5 gal..
The gas tank on the 2007 Ford Fusion holds 17.5 gal..
The gas tank on the 2006 Ford Fusion holds 17.5 gal..