Heavy Duty Cooling Package (Heavy-Duty Air-to-Oil External Engine Oil Cooler and Heavy-Duty Auxiliary External Transmission Oil Cooler), Heavy-Duty Handling/Trailering Suspension Package, Heavy-Duty Trailering Package (Retail) (Heavy-Duty Rear Automatic Locking Differential), Power Tech Package (AM/FM Stereo w/CD Player & MP3 Playback, Bluetooth® For Phone, Dual-Zone Automatic Climate Control, EZ-Lift Tailgate, Front Halogen Fog Lamps, Locking Tailgate, Steering Wheel Mounted Audio Controls, USB Port, and XM Radio), Vortec 5.3L V8 SFI VVT Flex Fuel, 6-Speed Automatic, 4WD, Dark Titanium/Light Titanium Cloth, 17 x 7.5 6-Lug Chrome-Styled Steel Wheels, 17 x 7.5 6-Lug Polished Cast Aluminum(4) Wheels, 3.42 Rear Axle Ratio, 6 Speaker Audio System Feature, 6 Speakers, 6-Way Power Driver Seat Adjuster, ABS brakes, Air Conditioning, AM/FM radio: XM, AM/FM Stereo w/MP3 Compatible CD Player, Body-Colored Bodyside Moldings, Bodyside moldings, Bumpers: chrome, CD player, Chrome Grille Surround, Color-Keyed Carpeting w/Rubberized Vinyl Floormats, Compass, Cruise Control, Delay-off headlights, Driver & Front Passenger Illuminated Visor Mirrors, Driver door bin, Driver vanity mirror, Driver-Side Manual Lumbar Control Seat Adjuster, Dual front impact airbags, Dual front side impact airbags, Electronic Autotrac Transfer Case, Electronic Cruise Control w/Set & Resume Speed, Electronic Stability Control, Emergency communication system: OnStar Directions & Connections, Front 40/20/40 Split-Bench Seat, Front anti-roll bar, Front Center Armrest w/Storage, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Heated door mirrors, Heated Power-Adjustable Black Outside Mirrors, Illuminated entry, Leather-Wrapped Steering Wheel, Low tire pressure warning, Occupant sensing airbag, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Power Door Locks w/Remote Keyless Entry, Power door mirrors, Power steering, Power windows, Power Windows w/Driver Express-Down, Premium Cloth Seat Trim, Radio data system, Rear reading lights, Rear seat center armrest, Rear step bumper, Remote keyless entry, Remote Keyless Entry w/2 Transmitters, Security system, SLE Decor, Solar-Ray Deep-Tinted Glass, Spare Tire Lock, Split folding rear seat, Tachometer, Tilt steering wheel, Traction control, Trip computer, Variably intermittent wipers, and Voltmeter. Vortec 5.3L V8 SFI VVT Flex Fuel, 6-Speed Automatic, 4WD, Dark Titanium/Light Titanium Cloth, 17 x 7.5 6-Lug Chrome-Styled Steel Wheels, 17 x 7.5 6-Lug Polished Cast Aluminum(4) Wheels, 3.42 Rear Axle Ratio, 6 Speaker Audio System Feature, 6 Speakers, 6-Way Power Driver Seat Adjuster, ABS brakes, Air Conditioning, AM/FM radio: XM, AM/FM Stereo w/CD Player & MP3 Playback, AM/FM Stereo w/MP3 Compatible CD Player, Bluetooth® For Phone, Body-Colored Bodyside Moldings, Bodyside moldings, Bumpers: chrome, CD player, Chrome Grille Surround, Color-Keyed Carpeting w/Rubberized Vinyl Floormats, Compass, Cruise Control, Delay-off headlights, Driver & Front Passenger Illuminated Visor Mirrors, Driver door bin, Driver vanity mirror, Driver-Side Manual Lumbar Control Seat Adjuster, Dual front impact airbags, Dual front side impact airbags, Dual-Zone Automatic Climate Control, Electronic Autotrac Transfer Case, Electronic Cruise Control w/Set & Resume Speed, Electronic Stability Control, Emergency communication system: OnStar Directions & Connections, EZ-Lift Tailgate, Front 40/20/40 Split-Bench Seat, Front anti-roll bar, Front Center Armrest w/Storage, Front Halogen Fog Lamps, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Heated door mirrors, Heated Power-Adjustable Black Outside Mirrors, Heavy Duty Cooling Package, Heavy-Duty Air-to-Oil External Engine Oil Cooler, Heavy-Duty Auxiliary External Transmission Oil Cooler, Heavy-Duty Handling/Trailering S