14,000 lbs. or more, depending on specifics. Lots of variables which will affect this... steel or aluminum wheels, wheelbase, what type of body is mounted to it, etc... a garbage compactor, a water tanker, and a dump truck will all have different curb weights.
The curb weight of the 2012 GMC Acadia is 4656 lbs..
The curb weight of the 2005 GMC Yukon is 4975 lbs..
The curb weight of the 2010 GMC Savana is 5295 lbs..
The curb weight of the 2011 GMC Yukon is 5630 lbs..
The curb weight of the 2012 GMC Savana is 5644 lbs..
The curb weight of the 2013 GMC Acadia is 4656 lbs..
The curb weight of the 2008 GMC Acadia is 4722 lbs..
The curb weight of the 2002 GMC Yukon is 4875 lbs..
The curb weight of the 2009 GMC Acadia is 4722 lbs..
The curb weight of the 2012 GMC Yukon is 5448 lbs..
The curb weight of the 2007 GMC Yukon is 5273 lbs..
The curb weight of the 2004 GMC Savana is 5295 lbs..