- - - 2006 GMC Sierra 2500HD Ext Cab 143.5" WB 4WD SLE1 - Power Windows, Power Door Locks, Tilt Wheel, Remote Keyless Entry, Cruise Control, Steering Wheel Stereo Controls, Steering Wheel-Leather Wrapped, AM/FM Stereo, CD Player, Tinted Glass - Deep, Additional Power Outlet(s), Air Conditioning, Climate Control - Dual, Bucket Seats, Power Driver Seat, Cloth Seats, Mirrors-Pwr Driver, Side view mirror blinker indicator, Mirror-Electrochromic In-Side Rearview, Mirrors-Vanity-Passenger, Wheels-Aluminum, Fog Lights, Headlights-Auto-Off, Reading Lamps-Front, Running Boards, Air Bag - Driver, Air Bag - Passenger, Air Bag On/Off Switch - Passenger, Power Steering, Brakes-ABS-4 Wheel, 4 Wheel Drive, 4 Wheel Disc Brakes, Intermittent Wipers, Rear Defrost, Daytime Running Lights, Tow Hooks-Front