Back story...I have been shopping 2001 to 2002 Yukon XL Denali, for the ride quality, the viscous coupling for the AWD and because I love the look. I have looked at 2003-2006 XL Denalis as well, and for grins 2000 to 2006 Suburban and Yukon XL but they must be 4wd. I have not found a shortage...