Recent Arrival! Clean CARFAX.Allison 1000 6-Speed Automatic, 4WD, Cocoa/Dune Leather.Summit White 2019 GMC Sierra 3500HD SLT 4WD Allison 1000 6-Speed Automatic Duramax 6.6L V8 TurbodieselInternet prices include $999.00 Processing Fee. DMV Fees or any applicable taxes are additional and are not displayed online at price. New vehicle internet prices also do not include any add on equipment and/or BUYER SELECTED suspension lift, body lift, any truck body (for commercial vehicles), custom wheels, custom tires, custom paint or other similar aftermarket products (either depicted or not depicted on website) on these specialty items, which can be added to a vehicle. While every attempt has been made to ensure the accuracy of the data displayed, the dealership is NOT RESPONSIBLE for any errors or omissions. RK relies on third party companies to display the pricing and technical specifications. Technology glitches can cause the incorrect information to display, and the dealership is not responsible for the resulting errors. These prices are not to be combined with any other RK offers. See a manager for more details. The results of this calculator should only be used as an estimate. Actual financing plans require more complex calculations than the simple compounded interest used in this program. The Manufacturer's Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets the final price.