(UUK) AM/FM stereo with MP3 compatible CD/DVD player and navigation or (UE0) OnStar, 12-volt, 17 (43.2 cm) machined aluminum includes 17 x 7.5 (43.2 cm x 19.1 cm) steel spare wheel. Spare not included with (ZW9) pickup box delete unless a spare tire is ordered (Upgradeable to (PYR) 18 (45.7 cm) forged polished aluminum wheels or (PYS) 20 (50.8 cm) forged polished aluminum wheels.), 3-passenger, 380 lb-ft of torque [513.0 N-m] @ 4200 rpm) with (E63) wideside pickup box; (322 hp [240.1 kW] @ 4400 rpm, 380 lb-ft of torque [513.0 N-m] @ 4200 rpm) with (ZW9) pickup box delete, 4-Wheel Disc Brakes, 4-wheel antilock, 4-wheel disc, 6 months of Directions and Connections plan includes Automatic Crash Response, 6-Speed A/T, 6-speed automatic, 8 Cylinder Engine, A/C, A/T, Air Bags, Automatic Headlights, Brake Assist, Brakes, CD Player, Child Safety Locks, Cloth Seats, Crisis Assist, Door locks, Drivable, Driver Adjustable Lumbar, Driver Illuminated Vanity Mirror, Emergency Services, Engine, Flex Fuel Capability, Floor covering, Four Wheel Drive, Front Reading Lamps, Gasoline Fuel, Headlamps, Intermittent wipers, LT245/75R17 all-season, MP3 Player, Mirrors, Navigation from Telematics, OnStar Vehicle Diagnostics, Opal Gray-colored, Other, Passenger Illuminated Visor Mirror, Pickup, Power Door Locks, Power Mirror(s), Power Outlet, Power outlets 2 auxiliary instrument panel-mounted with covers, Rear Bench Seat, Recovery Hooks, Remote Door Unlock (requires power locks), Remote Horn and Lights, Remote vehicle starter prep package includes Remote Keyless Entry with 2 transmitters, Roadside Assistance, Seat, Seat adjuster, Seat trim, Seats, Silver, Split Bench Seat, StabiliTrak, Stability control, Steering, Steering column, Stolen Vehicle Assistance including Remote Ignition Block, Telematics, Tilt-Wheel, Tire Pressure Monitor, Tires, Tires - Front All-Season, Tires - Rear All-Season, Transmission, Transmission Overdrive Switch, Turn-by-Turn Navigation with Destination Download (requires navigation radio) and OnStar eNav (where available), Visors, Vortec 6.0L Variable Valve Timing V8 SFI (360 hp [268.4 kW] @ 5400 rpm, Wheels, Windows, Wipers, XM Radio is standard on nearly all 2011 GM models and includes 3 months of trial service. Get over 170 channels, adjustable outboard head restraints and storage pockets on Extended and Crew Cab models, adjustable with brake/transmission shift interlock, and Hands Free Calling. (Also includes Stolen Vehicle Slowdown when (LML) or (LGH) Duramax, and much more. With XM's incredible range of programming, blackwall, child or booster seat. See the Owner's Manual and child safety seat instructions for more safety information.), color-keyed carpeting with rubberized vinyl floor mats (Extended and Crew Cab models also include rear floor mats) (May be substituted with (BG9) Black rubberized vinyl floor covering.), comedy, delete. Requires, driver and front passenger, driver and front passenger manual reclining center fold-down armrest with storage, driver and right-front passenger (Always use safety belts and the correct child restraints for your child's age and size, dual halogen composite with automatic exterior lamp control and flash-to-pass feature, electronic with set and resume speed, electronically controlled with overdrive and tow/haul mode (Requires (L96) Vortec 6.0L V8 SFI engine.), entertainment, even in vehicles equipped with air bags. Children are safer when properly secured in a rear seat in the appropriate infant, everything worth listening to is on XM (Not available with (UUL) AM/FM stereo with MP3 compatible CD player and navigation, family and kids' channels, folding (includes child seat top tether anchor) (Requires Extended or Crew Cab Models.), frame-mounted, front, front 40/20/40 split-bench, front intermittent wet-arm with pulse washers, frontal, heavy-duty, including: commercial-free music, intelligent brake assist and hill start assist, located on steering wheel, lockable storage compartment in seat cushion (includes auxiliary power outlet), manual lumbar control on the driver-side, manual-folding (Upgradeable to (DPN) outside vertical camper mirrors.), new key fobs and vehicle reprogramming are required. Please see dealer for details. Remote Keyless Entry does not lock/unlock tailgate.), news, outside heated power-adjustable, panic button and content theft alarm (To enable remote start capability, power, power includes Remote Keyless Entry, power with driver Express-Down, rear 60/40 folding bench (folds up), rear child security (Crew Cab models only.), recirculating ball, single-zone manual front climate control (Upgradeable to (CJ2) dual-zone automatic air conditioning on Extended and Crew Cab models.), sliding with clip and illuminated vanity mirror on driver and passenger-side, sports, stability control system with Proactive Roll Avoidance includes electronic trailer sway control, talk