Sierra 2500HD Denali, 4WD, White Frost Tricoat, Dark Walnut/Dark Ash Grey Leather, 12-Volt Rear Auxiliary Power Outlet, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 USB Ports, 2 USB Ports (1st Row), 2-Speed Active Tran...