A 2002 GMC Yukon XL with autoride can use regular gas shocks. However, they are not recommended for use on the autoride, instead you should use autoride gas shocks.
Most commonly, vehicles in the past 20 years or so have STRUTS in the front and SHOCKS in the rear. Sportier vehicles will have struts at all four wheels.
replace fuse or rear shocks
The 2009 GMC Yukon runs on regular unleaded.
The 2005 GMC Yukon runs on regular unleaded.
The 2007 GMC Yukon runs on regular unleaded.
The 2008 GMC Yukon runs on regular unleaded.
The 2003 GMC Yukon runs on regular unleaded.
The 2004 GMC Yukon runs on regular unleaded.
The 2006 GMC Yukon runs on regular unleaded.
The 2001 GMC Yukon runs on regular unleaded.
The 2002 GMC Yukon runs on regular unleaded.
The 2011 GMC Yukon-Hybrid runs on regular unleaded.