The 2008 BMW X6 has a 3.0 L base engine size.
The 2013 BMW X6 has an inline 6 engine.
The 2009 BMW X6 has an inline 6 engine.
The 2014 BMW X6 has an inline 6 engine.
The 2010 BMW X6 has an inline 6 engine.
The 2012 BMW X6 has an inline 6 engine.
The 2011 BMW X6 has an inline 6 engine.
The 2011 BMW X6 has a 3.0 L base engine size.
The 2013 BMW X6 has a 3.0 L base engine size.
The 2014 BMW X6 has a 3.0 L base engine size.
The 2012 BMW X6 has a 3.0 L base engine size.
The 2010 BMW X6 has a 3.0 L base engine size.