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 (Heavy-Duty Rear Automatic Locking Differential), LT1 Equipment Group (6 Speaker Audio System Feature, Body-Colored Bodyside Moldings, Chrome Grille Surround, Color-Keyed Carpeting w/Rubberized Vinyl Floormats, Driver & Front Passenger Illuminated Visor Mirrors, Driver-Side Manual Lumbar Control Seat Adjuster, Electronic Cruise Control w/Set & Resume Speed, Heated Power-Adjustable Black Outside Mirrors, Leather-Wrapped Steering Wheel, Power Door Locks w/Remote Keyless Entry, Power Windows w/Driver Express-Down, Rear Access Door Power Windows, Remote Keyless Entry w/2 Transmitters, Solar-Ray Deep-Tinted Glass, and Spare Tire Lock), 6-Speed Automatic, Ebony Cloth, 17 x 7.5 6-Lug Chrome-Styled Steel Wheels, 3.08 Rear Axle Ratio, 6 Speakers, ABS brakes, Air Conditioning, AM/FM radio: XM, AM/FM Stereo w/MP3 Compatible CD Player, Bodyside moldings, Bumpers: chrome, CD player, Compass, Cruise Control, Delay-off headlights, Driver door bin, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electronic Stability Control, Emergency communication system: OnStar Safe & Sound, EZ-Lift Tailgate, 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, Illuminated entry, Integrated Trailer Brake Controller, Locking Tailgate, Low tire pressure warning, Occupant sensing airbag, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Power door mirrors, Power steering, Power windows, Premium Cloth Seat Trim, Radio data system, Rear reading lights, Rear step bumper, Remote keyless entry, Security system, Split folding rear seat, Tachometer, Tilt steering wheel, Traction control, Variably intermittent wipers, Voltmeter, and XM Radio. 6-Speed Automatic, Ebony Cloth, 17 x 7.5 6-Lug Chrome-Styled Steel Wheels, 3.08 Rear Axle Ratio, 6 Speaker Audio System Feature, 6 Speakers, 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 Cruise Control w/Set & Resume Speed, Electronic Stability Control, Emergency communication system: OnStar Safe & Sound, EZ-Lift Tailgate, 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, Heavy Duty Cooling Package, Heavy-Duty Air-to-Oil External Engine Oil Cooler, Heavy-Duty Auxiliary External Transmission Oil Cooler, Heavy-Duty Handling/Trailering Suspension Package, Heavy-Duty Rear Automatic Locking Differential, Heavy-Duty Trailering Package, Illuminated entry, Integrated Trailer Brake Controller, Leather-Wrapped Steering Wheel, Locking Tailgate, Low tire pressure warning, LT1 Equipment Group, 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 Access Door Power Windows, Rear reading lights, Rear step bumper, Remote keyless entry, Remote Ke