Two comments
1: If you want a Sprinter cutaway you better get the 2003-2004 model years which have the 9900# GVWR. The 2005-2006's were increased to 10,200# GVWR and I believe they were raised again for 2007.
2: My former GMC/Penske 15' was a 2002 and had an empty weight of 6800#.