PICTURES on our website www.griffithautosales.com 2006 Sierra 2500HD SLE Extended Cab 4x4, 6.6L Duramax Turbo Diesel w- Allison automatic transmission. Pioneer Navigation System, Auto Dim Rear View Mirror w- Compass And Temp, Driver And Passenger Temperature Controls, Power Windows, Power Locks, Heated Power Tow Mirrors, Cruise, Tilt Wheel, Driver And Passenger Temperature Controls, Bed Mat.