The 2014 Ford Flex has a 3.5 L base engine size.
The 2013 Ford Flex has a V6 engine.
The 2010 Ford Flex has a V6 engine.
The 2011 Ford Flex has a V6 engine.
The 2009 Ford Flex has a V6 engine.
The 2012 Ford Flex has a V6 engine.
The 2009 Ford Flex has a 3.5 L base engine size.
The 2012 Ford Flex has a 3.5 L base engine size.
The 2010 Ford Flex has a 3.5 L base engine size.
The 2013 Ford Flex has a 3.5 L base engine size.
The 2011 Ford Flex has a 3.5 L base engine size.
The 2014 Ford Explorer has a V6 engine.