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Expand your flexibility and the possibilities with this versatile, factory-installed system.
Factory-installed rails mounted on the box sides and bulkhead with sliding tie-down hooks. Each rail can support up to 500 pounds*, and the system can be equipped with a variety of genuine GMC Accessories, including:
* Maximum capacity includes weight of driver, passengers, optional equipment and cargo.
A new generation of heavy-duty transmissions.
With six forward speeds, the 6L90 continues the Hydra-Matic tradition of premium transmission quality but adds a dimension of flexibility and efficiency. Electronically controlled with two overdrive gears and a driver-selectable Tow/Haul mode, the 6L90 offers an excellent balance of performance and efficiency.
Heavy duty diesel powertrain for your toughest jobs.
Horsepower: 365 hp @ 3200 rpm
Torque: 660 lb-ft @ 1600 rpm
Automatic locking rear differential is designed to evenly distribute power to both rear wheels in less-than-ideal traction conditions.
Automatic locking rear differential is designed to evenly distribute power to both rear wheels in less-than-ideal traction conditions. At lower speeds, the differential automatically senses wheel spin, locks the rear axle, and transfers torque to the rear wheel with more traction, greatly helping your ability to handle slippery road conditions.
Towing safely is now easier with Sierra's integrated trailer brake controller, eliminating the need for aftermarket parts not designed specifically for your truck.
An integrated trailer-brake controller means you're ready to tow a trailer with electric brakes right off the showroom floor without needing expensive aftermarket controllers of unknown quality.
You get enough noise on the job site: You don't need it from your truck.
Tight tolerances, premium materials, and aerodynamic design collaborate to bring you a heavy-duty truck with low interior noise levels.
Details give Sierra's instrument panel a rich, high-quality look and feel.
Sierra's attention to detail will not go unnoticed. Chrome details, wood grain trim, and low-gloss tones give Sierra's instrument panels a rich, high-quality look and feel.
An available full touch-screen navigation system* also features a fully integrated AM/FM stereo and CD player.
* Map coverage not available in Puerto Rico, the Virgin Islands and portions of Canada.
Helps you when backing up.
Helps you when backing up. A rear-mounted camera uses Sierra’s available navigation system or the rearview mirror to display a wide view behind the vehicle.
Experience XM Satellite Radio for three months free, with no obligation.
With a wide variety of programming, XM Radio 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.*Available XM NavTraffic enhances your vehicle's GPS navigation system by showing real-time traffic data when it's needed most -- while you're driving.**
*XM Radio requires a subscription, sold separately after the first 90 days. Not available in Alaska or Hawaii. For more information, visit gm.xmradio.com.
**XM NavTraffic service is available within 80 metropolitan areas – visit www.xmradio.com/navtraffic for full service coverage information.
Get the confidence that comes with 100,000 miles/5 years of powertrain warranty coverage.††
Now standard on most 2009 GMC models: The 100,000-mile/5-year GMC Powertrain Limited Warranty, plus Roadside Assistance and Courtesy Transportation.††
Get one year of OnStar Safe & Sound Plan.†
Enjoy the world's most comprehensive in-vehicle security, communications, and diagnostics system.†
A built-in torsion bar makes raising the tailgate easier.
The EZ Lift Locking Tailgate with built-in torsion bar and locking mechanism makes it easy to access and secure your cargo.*
*Cargo capacity limited by weight and distribution.
Available Bluetooth integration equals hands-free calling. Steering-wheel controls let you dial by voice and then listen to calls through Sierra's audio system.§
Learn how to get connectedGet advance notification of obstacles behind the vehicle.
With LED lights and audible alerts, the Ultrasonic Rear Parking Assist System warns of stationary objects behind the vehicle to ensure greater safety when parking or backing up.
Configure the rear cab area to best suit your needs.
The 60/40 split rear seat provides added flexibility and extra rear cargo room* without sacrificing comfort.
*Cargo capacity limited by weight and distribution.
© 2007 general motors corp.
