2007 GMC Sierra 2500HD SLE1 3.73 Rear Axle Ratio,Heavy-Duty Rear Automatic Locking Differential,Spare Tire Lock,Electronic Cruise Control w/Set & Resume Speed,Electric Rear-Window Defogger,Color-Keyed Carpeting Floor Covering,Solar-Ray Deep-Tinted Glass,Front License Plate Bracket,Integrated Trailer Brake Controller,Skid Plate Package,Heavy-Duty Handling/Trailering Suspension Package,Heavy-Duty Trailering Equipment,Camper & 5th Wheel Trailer Wiring Provisions,Power Door Locks,Front Halogen Fog Lamps,4-Wheel Disc Brakes,Emergency communication system: OnStar,Front Center Armrest w/Storage,Front beverage holders,Variably intermittent wipers,Tilt steering wheel,Split folding rear seat,Rear step bumper,Rear seat center armrest,Rear reading lights,Power steering,Passenger vanity mirror,Passenger door bin,Passenger cancellable airbag,Overhead console,Low tire pressure warning,Fully automatic headlights,Front wheel independent suspension,Front reading lights,Front anti-roll bar,Dual front impact airbags,Driver door bin,Delay-off headlights,Bumpers: chrome,AM/FM radio,ABS brakes,Voltmeter,Tachometer,Air Conditioning, WHEELS 4-16" X 6.5" (40.6 CM X 16.5 CM) 8-LUG POLISHED FORGED ALUMINUM includes chrome center caps and steel spare, TRANSMISSION 6-SPEED AUTOMATIC HEAVY-DUTY ELECTRONICALLY CONTROLLED with overdrive and tow/haul mode (STD), EZ-LIFT TAILGATE PACKAGE includes (A60) locking tailgate and (PPA) EZ-Lift tailgate, TIRES LT245/75R16E ON-/OFF-ROAD BLACKWALL (Includes 4 tires and (ZIZ) LT245/75R16 all-season blackwall spare tire with (E63) Wideside pickup box. Includes 4 tires with (ZW9) pickup box delete.), REAR AXLE 3.73 RATIO, CUSTOMER DIALOGUE NETWORK, SLE1 PREFERRED PACKAGE includes (AP3) remote vehicle starter system and (UK3) steering wheel controls (With Extended and Crew Cab Models also includes (CJ2) dual-zone automatic air conditioning., TRAILERING WIRING PROVISIONS FOR CAMPER FIFTH WHEEL AND GOOSENECK TRAILER includes additional 8-way wiring harness routed to front of pickup box, STEERING WHEEL CONTROLS mounted audio controls, XM SATELLITE RADIO. With a wide variety of programming XM has something to excite any driver. Whether you want to be entertained or informed to laugh think or sing XM has the perfect channel for you-coast-to-coast and in digital-quality sound. 3 trial months-no obligation, AIR CONDITIONING DUAL-ZONE AUTOMATIC CLIMATE CONTROL with individual climate settings for driver and right-front passenger, AUDIO SYSTEM AM/FM STEREO WITH MP3 COMPATIBLE CD PLAYER seek-and-scan digital clock auto-tone control Radio Data System (RDS) speed-compensated volume and TheftLock (STD), LICENSE PLATE BRACKET FRONT, MIRRORS OUTSIDE HEATED POWER-ADJUSTABLE VERTICAL CAMPER MANUAL-FOLDING AND EXTENSION BLACK integrated turn signal indicators 50 square inch flat mirror suface positioned over a 20 square inch convex mirror surface with a common head and lower convex spotter glass (convex glass is not heated or power adjustable), Z71 OFF-ROAD PACKAGE includes (Z71) Off-Road Suspension Package (G80) heavy-duty automatic locking rear differential and (NZZ) Skid Plate Package, BRAKE CONTROLLER INTEGRATED TRAILER, ENGINE VORTEC 6.0L VARIABLE VALVE TIMING V8 SFI (353 hp [262.8 kW] @ 5400 rpm 373 lb-ft of torque [505.6 N-m] @ 4400 rpm) (STD), TRAILERING EQUIPMENT HEAVY-DUTY includes trailering hitch platform and 2.5-inch receiver with 2" adapter 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 wiring harness for after-market trailer brake controller (located in the instrument panel harness) and single wire for center high-mounted stop lamp, REMOTE VEHICLE STARTER SYSTEM includes Remote Keyless Entry, SLE1 PREFERRED EQUIPMENT GROUP includes standard equipment, SEATS FRONT 40/20/40 SPLIT-BENCH 3-PASSENGER DRIVER AND FRONT PASSENGER MANUAL RECLINING center fold-down armrest with storage lockable storage compartment in seat cushion (includes auxiliary power outlet) adjustable outboard head restraints and storage pockets on Extended and Crew Cab models (STD), SKID PLATE PACKAGE FRAME-MOUNTED SHIELDS includes front underbody shield starting behind front bumper and running to first cross-member protecting front underbody oil pan differential case and transfer case, SEAT TRIM SELECT CLOTH (STD), SUSPENSION PACKAGE OFF-ROAD includes 1.81" (46 mm) shocks off-road jounce bumpers 36mm front stabilizer bar and Z71 decals on rear quarters, PAINT SOLID (STD), DIFFERENTIAL HEAVY-DUTY AUTOMATIC LOCKING REAR, Four Wheel Drive, Tow Hooks, Tires - Front All-Season, Tires - Rear All-Season, Power Steering, ABS, 4-Wheel Disc Brakes, Automatic Headlights, Fog Lamps, Daytime Running Lights, Automatic Headlights, Heated Mirrors, Power Mirror(s), Privacy Glass, Intermittent Wipers, Cloth Seats, Split Bench Seat, Power Outlet, Driver Adjustable Lumbar, Pass-Through Rear Seat, Rear Bench Seat, Floor Mats, Leather Steering Wheel, Adjustable Steering Wheel, Tire Pressure Monitor, Power Windows, Power Door Locks, Keyless Entry, Power Door Locks, Telematics, Requires Subscription, Cruise Control, A/C, Rear Defrost, AM/FM Stereo, CD Player, MP3 Capability, Power Outlet, Auto-Dimming Rearview Mirror, Driver Vanity Mirror, Passenger Vanity Mirror, Driver Illuminated Vanity Mirror, Passenger Illuminated Visor Mirror, Front Reading Lamps, ABS, 4-Wheel Disc Brakes, Driver Air Bag, Passenger Air Bag, Daytime Running Lights, Automatic Headlights