- - - 2012 GMC Sierra 1500 4WD Ext Cab 143.5" SLE - REAR AXLE, 3.08 RATIO ,EMISSIONS, FEDERAL REQUIREMENTS ,GVWR, 7000 LBS. (3175 KG) ,SEATS, FRONT BUCKET ,SUSPENSION PACKAGE, OFF-ROAD ,TIRES, P265/65R18 ON-/OFF-ROAD, WHITE OUTLINED-LETTER ,TRANSMISSION, 6-SPEED AUTOMATIC ,LPO, ALL-WEATHER FLOOR MATS ,POWER TECH PACKAGE ,LPO, ASSIST STEPS, CHROMED TUBULAR, 6" OVAL ,CUSTOMER DIALOGUE NETWORK ,WHEELS, 4 - 18" X 8" (45.7 CM X 20.3 CM) CHROME-CLAD ALUMINUM Power Windows, Power Door Locks, Tilt Wheel, Remote Keyless Entry, Cruise Control, Steering Wheel-Leather Wrapped, Communications-Onboard Hands Free, Tire-Pressure Monitoring System, Security System, AM/FM Stereo, CD Player, Audio-Satellite Radio, MP3 Sound System, Tinted Glass - Deep, Additional Power Outlet(s), Air Conditioning, Seats-Front Bench-Split, Seat-Lumbar-Driver, Seat-Rear Pass-Through, Floor Mats-Front, Cloth Seats, Mirrors-Pwr Driver, Heated Side Mirrors, Mirrors-Vanity-Driver, Mirrors-Vanity-Driver Illuminated, Mirrors-Vanity-Passenger, Mirrors-Vanity-Passenger Illuminated, Wheels-Chrome, Wheels-Steel, Transmission-Overdrive-Switch, Headlights-Auto-Off, Reading Lamps-Front, Air Bag - Driver, Air Bag - Passenger, Air Bags - Head, Air Bag - Side, Air Bag-Side-Head only-Rear, Traction Control, Power Steering, Front Disc Brakes, Brakes-ABS-4 Wheel, 4 Wheel Drive, Intermittent Wipers, Daytime Running Lights, Tow Hooks-Front