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With Active Fuel Management technology, the Sierra 5.3L V8 engine delivers over 300hp while giving you an EPA-estimated mpg 15 city/20 highway fuel economy.
Strike a balance between necessary power and desired fuel efficiency.* Active Fuel Management technology uses only 4 cylinders in less demanding driving conditions while seamlessly shifting to 8 cylinders when necessary. This gives the Sierra all the power of a V8 with the best V8 fuel efficiency of any full-size pickup.*
*2WD EPA-estimated mpg 15 city/20 highway with available 5.3L engine or 4WD EPA-estimated mpg 14 city/19 highway with available 5.3L engine. Based on 2006 Large Pickup Segment.
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.
The Sierra ½ -ton four-wheel-drive Extended and Crew Cab models equipped with optional MAX Trailering Package can pull a class-leading 10,500 lbs.
Professional grade engineering makes for best-in-class ½ -ton maximum 4x4 Crew Cab and Extended Cab towing capabilities. Available 4WD models help in towing and traction by delivering torque to all wheels and driving them at the same speed. An available trailering* package includes a trailer- hitch platform and prewired 7-pin connector.
* Trailer ratings are calculated assuming a properly equipped base vehicle plus driver. See the GMC Trailering Guide for details.
† Based on 2007 GM Large Pickup Segment. Excludes other GM vehicles.
The Sierra's boxed frame is our strongest ever. Boxed from front to the spare tire area, the frame is stiff both torsionally and in beaming, for a smooth ride.
The front frame section is boxed and hydroformed, which increases structural rigidity by producing more consistent steel-wall thickness. Boxed from front to the spare tire area, the frame has a tight fit at bolting points. The result is isolation from the road and smooth performance on the highway.
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 which can support up to 500 pounds*, can be equipped with a variety of genuine GMC accessories, including:
* Maximum payload capacity includes weight of driver, passengers, optional equipment and cargo. Vehicle shown with bed rails, overhead rack, sliding metal divider, and sliding metal tool box.
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.
The seamless fit of its interior panels and tight exterior gaps give Sierra a sleek look inside and out.
Sierra's interior features include:
Experience XM Satellite Radio for three months free, with no obligation.
With a wide variety of programming, XM 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 only in the 48 contiguous United States. Required $12.95 monthly subscription sold separately after three trial months. All fees and programming subject to change. Subscription subject to customer agreement. For more information, visit gm.xmradio.com.
A rigid frame and coil-over-shock suspension deliver optimum ride and handling.
Sierra delivers optimum ride and handling with features like:
The standard 170-degree rear-door opening on Extended Cab models makes it easy to fold the seats up, stow and organize cargo, and access the rear seat.
The more access you have, the easier it all gets. The standard 170-degree rear-door opening on Extended Cab models makes it easy to fold the seats up, stow and organize cargo, and access the rear seat.
A unique package of features for off-roading.
The Sierra All-Terrain combines features for outstanding off-road handing with a refined, comfortable interior.
Use less engine power during steady-state cruising without sacrificing acceleration and passing power.
Get one year of OnStar Safe & Sound Coverage.†
Enjoy the world's most comprehensive in-vehicle security, communications, and diagnostics system.†
Protection before, during, and after a collision.
The Sierra was designed with the objective of providing features to help protect you from every angle, and at every stage of the safety scenario: Before, during, and after a collision.
StabiliTrak compares steering input with vehicle response and adjusts when needed to help you keep on track and provide added safety.
When the vehicle is not adequately responding to steering input, StabiliTrak applies brake pressure to any individual wheel and may adjust engine speed to help you keep the vehicle on track and reduce the risk of vehicle rollover.
Get the confidence that comes with 100,000 miles/5 years of powertrain warranty coverage.††
Now standard on most 2008 GMC models: The 100,000-mile/5-year GMC Powertrain Limited Warranty, plus Roadside Assistance and Courtesy Transportation.††
© 2007 general motors corp.
