Engine, 6.0L V8 SFI aluminum with Active Fuel Management (355 hp [264.7 kW] @ 5300 rpm, 384 lb-ft of torque [518.4 N-m] @ 4400 rpm)`Transmission, 6-speed automatic with Driver Shift Control and Sport Mode`Differential, limited slip rear`Rear axle, 2.92 ratio`Drivetrain, rear-wheel drive`Battery, heavy-duty, trunk-mounted, maintenance-free with rundown protection`Suspension, Performance`Steering, power rack-and-pinion`Exhaust, dual-outlet stainless-steel`Exhaust outlets, quad polished stainless-steel tips`Wheels, 18" (45.7 cm) machine-faced aluminum, 5-spoke with silver painted inset`Tires, P245-45R18-100V, all-season, blackwall (Standard tire as 2009 interim change. Limited availability.)`Tire and wheel, spare, delete`Tire inflation kit, includes inflator and tire sealant`Hood scoops, dual`Spoiler, rear low-profile`Grille, dual-port with Black inserts and Chrome surround`Headlamps, halogen, projector-beam with automatic exterior lamp control, flash-to-pass and daytime running`Fog lamps, front`Mirrors, outside power-adjustable, remote, body-color, manual-folding`Glass, tinted`Accents, chrome window surround`Wipers, front intermittent, speed-sensitive`License plate bracket, front`Audio system, AM-FM stereo with 6-disc CD changer and MP3 playback 6.5" color LCD with multi-function display, seek-and-scan, speed-compensated volume, TheftLock, equalizer, available help menu and auxiliary input jack for iPod-MP3 player`Audio system feature, Blaupunkt premium 11-speaker system, 230-watt with amplifier and sub-woofers`XM Radio. XM Radio includes 3 trial months of service. XM turns your world on with commercial-free music channels from Rock to Jazz, Country to Classical, Latin Pop to Hip Hop, and virtually everything in between, all in amazing digital sound. Turn on your favorite Sports with every Major League Baseball game from Opening Day until the World Series, NHL Hockey, the PGA TOUR and college football and basketball. Plus XM brings you the biggest names in news and talk, outrageous comedy, award-winning family programming -- wherever you go from coast to coast. Exclusive live concerts, Oprah and Friends, Radio Disney, and so much more. Find what turns you on. (Available only in the 48 contiguous United States. Required $12.95 monthly subscription sold separately after 3 trial months. Visit gm.xmradio.com for more details.)`Antenna, roof-mounted, fixed mast, radio`Bluetooth for phone personal cell phone connectivity to vehicle audio system and HMI (Human Machine Interface), includes steering wheel controls (2009 interim change. Limited availability.)`Seats, front bucket, Sport`Seat adjuster, driver 4-way power`Seat adjuster, passenger 4-way power`Seat, rear pass-through with dual cup holders (Includes rear center armrest when (PCQ) Premium Package is ordered.)`Floor mats, carpeted front`Floor mats, carpeted rear`Sill plates`Steering column, tilt and telescopic`Steering wheel, leather-wrapped`Steering wheel controls, mounted audio, cruise and Driver Information Center, illuminated`Instrumentation, analog with speedometer, odometer, tachometer and fuel and temperature gauges`Driver Information Center with trip odometer, oil life, tire pressure, voltmeter, average speed, distance and time to go, average fuel, fuel used, overspeed and underspeed warnings and available help menu`Retained accessory power, power windows and audio system remain operational after ignition is switched off for 10 minutes or until a door is opened`Door locks, power`Windows, power, driver and front passenger, includes Express-Down`Cruise control, electronic with set and resume speed`Trunk release, power, located in glovebox`Remote vehicle starter system, with lock control, included in key fob`Theft-deterrent alarm system, immobilizer and PIN code audio system`Air conditioning, dual-zone automatic climate control with individual climate settings for driver and front passenger`Defogger, rear-window electric`Power outlets, 2 auxiliary, 12-volt, 1 in center instrument panel and 1 in center console`Glovebox, front, lockable`Cup holders, front and rear, molded in door trim, center console and rear seat pass-through`Mirror, inside rearview with compass and OnStar buttons`Lighting, interior front and rear courtesy, front and rear dome and cargo area (Not available when (CF5) power sunroof is ordered.)`Shift lever`Map pocket, front seatback (Requires interior color (46C) Onyx Premium Cloth.)`Visors, driver and front passenger illuminated vanity mirrors`Cargo net, trunk`Decklid, liner`Key, common, vehicular unique`Key, folding blade, side-milled`Key, fixed blade, side-milled`Brakes, 4-wheel antilock, 4-wheel disc with Electronic Brake Assist and Electronic Brake Force Distribution (Includes larger front and rear rotors.)`StabiliTrak, vehicle stability enhancement system`Traction control, all-speed, powertrain and brake modulated`Air bags, dual-stage frontal and side-impact, driver and front passenger and head-curtain side-impact, front and rear outboard seating positions (Head curtain side air bags are designed to help reduce the risk of head and neck injuries to front and rear seat occupants on the near side of certain side-impact collisions. Always use safety belts and the correct child restraints for your childs age and size, even in vehicles equipped with air bags. Children are safer when properly secured in a rear seat. See the vehicles Owners Manual and child safety seat instructions for more safety information.)`OnStar, 1-year of Safe and Sound plan. Includes Automatic Crash Notification, Automatic Notification of Air Bag Deployment, Stolen Vehicle Location Assistance, a link to all Emergency Services, Roadside Assistance, Remote Door Unlock (if equipped), Hands-Free Calling and Remote Horn & Lights (OnStar services require vehicle electrical system (including battery), wireless service and GPS satellite signals to be available and operating for features to function properly. OnStar acts as a link to existing emergency service providers. Stolen Vehicle Location Assistance and Remote Door Unlock success varies with conditions. OnStar Vehicle Diagnostics available on most 2004 MY and newer GM vehicles. Diagnostic capability varies by model. Visit onstar.com or call 1-888-466-7827 for system limitations and details. For a list of vehicles with Automatic Crash Notification visit onstar.com.)`Safety belts, 3-point, all positions`LATCH system (Lower Anchors and Top tethers for CHildren), for child safety seats`Door locks, rear child security`Tire Pressure Monitoring System`Driver Air Bag`Passenger Air Bag`Front Side Air Bag`Front Head Air Bag`Rear Head Air Bag`Climate Control`Multi-Zone A-C`A-C`Security System`AM-FM Stereo`CD Changer`CD Player`ABS`4-Wheel Disc Brakes`Cruise Control`Rear Defrost`Locking-Limited Slip Differential`Child Safety Locks`Rear Wheel Drive`8 Cylinder Engine`Floor Mats`Gasoline Fuel`Daytime Running Lights`Keyless Entry`Power Door Locks`Power Mirror(s)`Power Driver Seat`Power Passenger Seat`Pass-Through Rear Seat`Bucket Seats`Power Steering`Adjustable Steering Wheel`Tires - Front Performance`Tires - Rear Performance`Traction Control`6-Speed A-T`Aluminum Wheels`Power Windows`Intermittent Wipers`A-T`Premium Sound System`Satellite Radio`MP3 Player`Fog Lamps`Variable Speed Intermittent Wipers`Steering Wheel Audio Controls`Equalizer`Power Outlet`Engine Immobilizer`Automatic Headlights`Driver Vanity Mirror`Passenger Vanity Mirror`Driver Illuminated Vanity Mirror`Passenger Illuminated Visor Mirror`Leather Steering Wheel`Rear Spoiler`Transmission w-Dual Shift Mode`Remote Trunk Release`Tire Pressure Monitor`Trip Computer`Bluetooth Connection`Telematics`Remote Engine Start`Stability Control`Brake Assist`Auxiliary Audio Input`Rear Bench Seat