Size 4XB is used in some men's clothing stores. The XB stands for extra big, which is a plus size equivalent for men. There is also a 4XL style, which is extra long.
The 2014 Scion xB has a 2.4 L base engine size.
The 2008 Scion xB has a 2.4 L base engine size.
The 2013 Scion xB has a 2.4 L base engine size.
The 2005 Scion xB has a 1.5 L base engine size.
The 2004 Scion xB has a 1.5 L base engine size.
The 2009 Scion xB has a 2.4 L base engine size.
The 2011 Scion xB has a 2.4 L base engine size.
The 2012 Scion xB has a 2.4 L base engine size.
The 2010 Scion xB has a 2.4 L base engine size.
The 2006 Scion xB has a 1.5 L base engine size.
The 2012 Scion xB has an inline 4 engine.