The 2013 Ford Fusion has a 2.5 L base engine size.
The 2013 Ford Fusion-Energi has an inline 4 engine.
The 2013 Ford Fusion-Hybrid has an inline 4 engine.
The 2013 Ford Fusion-Energi has a 2.0 L base engine size.
The 2013 Ford Fusion-Hybrid has a 2.0 L base engine size.
The 2014 Ford Fusion has a 2.5 L base engine size.
The 2012 Ford Fusion has a 2.5 L base engine size.
The 2010 Ford Fusion has a 2.5 L base engine size.
The 2009 Ford Fusion has a 2.3 L base engine size.
The 2008 Ford Fusion has a 2.3 L base engine size.
The 2011 Ford Fusion has a 2.5 L base engine size.
The 2007 Ford Fusion has a 2.3 L base engine size.