2008 GMC Sierra 1500 4WD Crew Cab SLT Vortec Max 6.0L. This truck is a unique find, a very clean 6.0L Vortec Max, loaded with lots of features, built for your towing needs it has the heavy duty towing package and integrated brake control. Loaded with many luxury upgrade items it has a full leather interior, touch screen navigation, power sliding rear window, heated power folding mirrors, power heated seats, chrome step bars, matching fiberglass topper, fully carpeted bed, all sitting on like new Michelin tires.