2005 GMC Sierra 1500 SLT Heavy-Duty Rear Automatic Locking Differential,Spare Tire Lock,Electronic Cruise Control w/Set & Resume Speed,Rear Chrome Step Bumper w/Pad,Solar-Ray Deep Tinted Glass,Front License Plate Bracket,Solid Smooth Ride Suspension Package,Heavy-Duty Air-to-Oil External Transmission Oil Cooler,Light Duty Power Package,Skid Plate Package,Heavy-Duty Handling/Trailering Suspension Package,Heavy-Duty Trailering Equipment,Front beverage holders,Variably intermittent wipers,Tilt steering wheel,Rear step bumper,Power steering,Passenger vanity mirror,Passenger door bin,Occupant sensing airbag,Fully automatic headlights,Front wheel independent suspension,Front dual zone A/C,Front anti-roll bar,Dual front impact airbags,Driver door bin,Bumpers: chrome,AM/FM radio,ABS brakes,Voltmeter,Tachometer,Air Conditioning, AIR CLEANER HIGH-CAPACITY, TIRES P265/70R17 ON-/OFF-ROAD WHITE OUTLINED-LETTER includes an on-/off-road blackwall spare, PAINT TWO-TONE, SEAT TRIM LEATHER (STD), PICKUP BED WIDESIDE BOX (STD), LICENSE PLATE BRACKET FRONT (will be forced on orders with ship-to states that require a front license plate), DIFFERENTIAL AUTOMATIC LOCKING HEAVY-DUTY REAR, TRAILERING EQUIPMENT HEAVY-DUTY includes trailering hitch platform 7-wire harness (harness includes wires for: park lamps backup lamps right turn left turn electric brake lead battery and ground) with independent fused trailering circuits mated to a 7-way sealed connector 7-way to 4-way trailer adapter instrument panel jumper wiring harness for electric trailer brake controller and 1-way sealed connector for center high-mounted stop/brake lamp. Also includes (K47) Air cleaner high capacity and (KNP) Cooling external transmission oil cooler., REAR AXLE 4.10 RATIO, SOUND SYSTEM FEATURE XM SATELLITE RADIO. features 67 channels of 100% commercial-free music included in its over 150 channels of the best in music news sports talk comedy XM Instant Traffic and Weather and more. Digital quality sound with coast-to-coast signal coverage. Three trial months -no obligation, SPARE TIRE LOCK keyed cylinder lock that utilizes same key as ignition and door, OFF-ROAD PACKAGE, SKID PLATE PACKAGE includes aluminum front underbody shield starting behind front bumper and running to 1st cross-member protecting front underbody oil pan differential case and transfer case frame-mounted shields, SEATS FRONT POWER RECLINING FULL-FEATURE BUCKETS includes adjustable head restraints floor console driver and passenger power lumbar driver and front passenger 10-way power adjustable dual inboard armrests heated driver and passenger cushion and back 2-position driver-side memory and storage pockets (STD), SLT PREFERRED EQUIPMENT GROUP includes standard equipment, TRANSMISSION 4-SPEED AUTOMATIC ELECTRONICALLY CONTROLLED W/OVERDRIVE AND TOW/HAUL MODE (STD), GVWR 6400 LBS. (2903 kg) (STD), SAFE AND SOUND PACKAGE includes (U2K) Sound system feature XM Satellite Radio (UE1) OnStar (UB1) Sound system AM/FM stereo with CD and cassette player or upgradeable to (UC6) Sound system AM/FM stereo with 6-disc CD changer and (A95) Seats front reclining buckets or (AN3) Seats front power reclining full-feature buckets, WHEEL FLARES FRONT AND REAR, SOUND SYSTEM ETR AM/FM STEREO WITH 6-DISC CD CHANGER includes seek-and-scan digital clock auto-tone control speed-compensated volume TheftLock Radio Data System (RDS) and Bose speaker system (includes 6-speakers Bose amplifier and Bose subwoofer) (STD), COOLING EXTERNAL TRANSMISSION OIL COOLER AUXILIARY HEAVY-DUTY AIR-TO-OIL, WHEELS 4 - 17" X 7.5" (43.2 CM X 19.1 CM) 6-LUG POLISHED CAST ALUMINUM includes steel spare, ENGINE VORTEC 5300 V8 SFI ALUMINUM BLOCK WITH STEEL CYLINDER SLEEVES (310 HP [231.4 kW] @ 5200 rpm 335 lb.-ft. (452.3 N-m] @ 4000 rpm) (STD), LIGHT DUTY POWER PACKAGE includes (LM7) Engine Vortec 5300 V8 SFI or (L33) Engine Vortec 5300 V8 SFI or (L59) Engine Vortec 5300 V8 SFI (G80) Differential automatic locking heavy-duty or (G86) Differential limited slip heavy-duty and (Z82) Trailering equipment heavy duty, SUSPENSION PACKAGE OFF-ROAD includes 1.81" (46 mm) shocks off-road jounce bumpers stabilizer bars (NZZ) Skid Plate Package (K47) Air cleaner high capacity and Z71 decals on rear quarters, Four Wheel Drive, Four Wheel Drive, Tow Hooks, Tires - Front All-Season, Tires - Rear All-Season, Conventional Spare Tire, Aluminum Wheels, Power Steering, ABS, Front Disc/Rear Drum Brakes, Automatic Headlights, Daytime Running Lights, Automatic Headlights, Fog Lamps, Heated Mirrors, Power Mirror(s), Integrated Turn Signal Mirrors, Power Folding Mirrors, Privacy Glass, Intermittent Wipers, Leather Seats, Power Driver Seat, Power Passenger Seat, Bucket Seats, Heated Front Seat(s), Driver Adjustable Lumbar, Passenger Adjustable Lumbar, Seat Memory, Power Driver Seat, Power Passenger Seat, Rear Bench Seat, Front Reading Lamps, Floor Mats, Adjustable Steering Wheel, Leather Steering Wheel, Immobilizer, Trip Computer, Cruise Control, Power Door Locks, Power Windows, Security System, Keyless Entry, Power Door Locks, Telematics, Rear Defrost, Climate Control, Multi-Zone A/C, A/C, AM/FM Stereo, CD Changer, CD Player, Premium Sound System, Steering Wheel Audio Controls, Power Outlet, Auto-Dimming Rearview Mirror, Passenger Vanity Mirror, Front Reading Lamps, ABS, Front Disc/Rear Drum Brakes, Driver Air Bag, Passenger Air Bag, Passenger Air Bag Sensor, Daytime Running Lights, Automatic Headlights