Saint Johnsbury Buick GMC
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2011 GMC Sierra Heavy Duty
2011 GMC Sierra Heavy Duty (HD)
When our engineers created the new 2011 Sierra Heavy Duty Series, they left no bolt unturned. By rejecting compromise and crafting every detail, GMC delivered the strongest, most powerful and most capable lineup of Sierra HD Pickups, ever. Featuring a complete system of control, capability and driver comfort, the new 2011 Sierra HD and the first-ever Denali HD redefine Heavy Duty and are the perfect example of why we never say never. GMC. We are professional grade.
Take More. Tow More. Haul More.
To help you get more in every load, and get more done every day, the new Sierra HD has the strongest frame we've ever built into an HD pickup. Crafted with high-strength alloy steel, and fully boxed from front to rear, it is engineered for a maximum Gross Combined Weight Rating (GCWR) of 29,200 lbs - the highest rating in its class.
High Strength, Low Weight: For the best strength-to-weight balance, the new Sierra HD frame is built up from three individual sections. This design made it possible to optimize each section for its task, from mounting the engine and transmission in the front section, to supporting the cab in the center section, to providing a solid platform for a segment-leading maximum payload and efficient fifth-wheel installation in the rear section. Together, these sections form a frame with almost twice the resistance to bending as the previous model.
A Solid Foundation For A Smooth Ride: For maximum strength, the new Sierra HD frame features a hydroformed front frame section. This metal-forming process preserves uniform steelthickness throughout. To create the fully boxed frame rails, two C-channel sections are overlapped - essentially, welding a frame inside a frame - to form a box that resists sagging and bending.
Stronger Mounting, Stronger Frame: The sturdy boxed frame also allowed through-rail mounting for the tubular chassis cross-members. This mounting gives maximum support and resistance to twisting on uneven road surfaces.
A Load. Not A Burden: No other HD pickup offers more capacity in more models than Sierra. the 3500HD Regular Cab 2WD Dual-Rear-Wheel (DRW) model has maximum payload capacity of 6635 lbs. And GMC Sierra HD offers 2500- and 3500- Series capacity on Single-Rear-Wheel (SRW) models as well, with maximum payloads of 4192 lbs on 2500 models, and 4632 lbs on 3500 models.
Ready To Plow: Adding a plow to Sierra HD is easy. Ask your dealer for the available Snow Plow Prep Package, and your truck will be prepared for most current hydraulic snow plows. It upgrades the front Gross Axle Weight Rating (GAWR) to 6000 lbs on diesel-equipped models, while the torsion-bar front suspension allows you to make seasonal ride-height adjustments in minutes, with a single wrench.
OFF THE CHART POWER, OFF THE CHART RANGE
The available new Duramax Diesel 6.6L V-8 Turbo and Allison 1000 Series 6-speed automatic transmission are engineered to achieve a goal that most assumed to be impossible: improving power and mileage, together. Advanced diesel direct-injection technology and an adaptive transmission controller help Duramax to run at peak efficiency, and provide you with a highway mileage range of up to 680 highway miles.
Starts in 3.0 Seconds At -40 degrees F: A diesel that starts easily in Artic-like weather? It's all in a cold day's work for the Duramax Diesel 6.6L V-8 Turbo. With an advanced Direct-Injection (DI) fuel system, the Duramax injectors pressurize fuel up to mist that burns quickly and easily, to give you fast startsm, quieter operation and lower emissions than the previous model.
B20 Biodiesel Fuel Compatible: To help reduce carbon dioxide emissions, the Duramax Diesel 6.6L V-8 Turbo can run on B20 biodiesel, a mixture of 20 percent biodiesel produced from domestic renewable resources, and 8- percent petroleum diesel.
Proven And Reliable: The Duramax/Allison powertrain has a proven track record, with more than 1.2 million sold since 2000.
Smooth Shifts With Exceptional Control: The Allison 1000 Series 6-speed automatic - the same make used in the M1 tank - is built with multiple features to help the driver handle heavy loads with confidence. there's range selection mode to enhance control and engine braking in specific driving situations and grade braking mode that helps slow the vehicle on long grades by automatically selecting a lower gear.
A Monthly Checkup From OnStar: With available OnStar, your Sierra HD can run through a monthly check of your engine, transmission, antilock brakes and more and email you the results. You can ask for an OnStar Onboard Vehicle Diagnostics check while you're driving.
ABSOLUTE POWER IS ABSOLUTELY NECESSARY
How you apply power is just as important as how much power you have. So, the standard 6.0L Vortec VVT V-8 delivers torque and horsepower across a wide RPM range. Matched with the Hydramatic 6L90-E, it gives the driver smooth and progressive response for effortless driving, trailering and hauling.
Improved Low-Speed Response: The 6.0L Vortec VVT V-8 has a revised camshaft profile that gives you a deep reserve of low-end torque. it's most helpful in driving situations where you need to apply power gently and progressively, such as trailering heavy objects, backing up to attach a trailer or maneuvering in tight spaces.
All Power And No Compromise: Variable Value Timing (VVT) changes when and how intake and exhaust valves open and close. This changes engine performance from a smooth and quiet-idling dynamo to a bold, aggressive high-performance V-8 at full throttle. This helps to provide you with ample reserve power at virtually every speed., so you can approach challenging trailering or load-carrying situations with confidence.
6.0L vortec VVT V-8 Horsepower and Torque: The ideal partner to the 6.0L Vortec VVT V-8,t he advanced Hydramatic 6L90-E 6-speed transmission constantly senses load, acceleration and other inputs, then controls engine torque for smooth, almost imperceptible shifts.
THE STORY BEGINS AT THE END OF THE ROAD
The best way to appreciate the engineering that went into the new Sierra HD suspension is when the road is at its worst, or when there is no road at all. With a redesigned fully independent torsion-bar front suspension on every model, and a completely revised rear suspension, Sierra HD removes the compromise between ride comfort and load capacity, so you can trailer or haul heavy loads with a comfortable margin of control.
Independent Front Suspension: All Sierra HD models have a new Independent Front Suspension (IFS), designed for the constant punishment of heavy-duty use. built extra-strong from extreme-duty componenets, it gives both a smoother ride than conventional beam-axle suspensions and up to a 6000 lb front axle GAWR that is unsurpassed by competitive HD models.
Rear Leaf Springs That Match The Load: The more load your HD takes, the more its springs step up to the challenge. New rear leaf springs are 3 inches wide - two stage for 2500 models, and three-stage for 3500 models.
Body Mounts That Tune Out Vibration: Vibrations are the enemy of comfort. That's why Sierra HD Extended and Crew Cab models are cushioned at the rear cab frame attachments with hydraulic body mounts.
Traction That's Fully Automatic: No other competitor in the class offers an available fully automatic locking rear differential, for on- or off-road use. When the Eaton Locker senses a difference in wheel speed between left and rear wheels of approximately 100 rpm, it locks both rear wheels, to turn in unison for added traction.
ONE CASE WHERE MORE WEIGHT IS A GOOD THING
The new Sierra HD is built with power and capacity to give you significantly improved trailering capability. Virtually every aspect was rethought or reinforced for heavy loads and high Gross Vehicle Weight Ratings (GVWRs). More important is the sense of control that comes from knowing GMC has already anticipated your task and built accordingly.
Exceptional Max Payload And Trailering: We said HD, and we mean it. Sierra HD offers outstanding payload and trailering, including segment-leading conventional trailering capability of up to 17,000 lbs, and fifth-wheel trailering capability of up to 21,700 lbs.
Built-In Fifth Wheel Prep: To help you choose the fifth-wheel or gooseneck hitch that works best for your needs, our engineers consulted with leading aftermarket hitch manufacturers. Based on their input, we added new access holes to the rear frame section to accept a wider variety of hitches. These holes also help to preserve frame strength and save installation time.
Keeping Your Trailer In Line: Standard on all Sierra HD SRW models, Sierra HD trailer sway control uses the built-in StabiliTrak sensors to look for changes in ride motion that could indicate trailer sway, and then applies braking as needed to bring the trailer back in line. A fully integrated trailer brake controller is also available to give you greater control of trailer braking force.
BRAKING POWER THAT GOES BEYOND THE PEDAL
Sierra HD's braking system is much more than a pedal. It is a system of control engineered to help keep you on your intended path, and mantain your cool no matter how challenging the situation. Because, with a heavy load behind you, you need to be ready for what's ahead of you.
"Smart" Braking Power: The new diesel exhaust brake is an innovative standard feature for Duramax models. Unlike the traditional "on/off" diesel exhaust brakes, the driver selectable "smart" brake varies negative torque needed, based on the truck load and grade. This helps reduce brake fade, extends brake life and gives drivers plenty of confidence when hauling heavy loads downhill.
Extra Confidence On Long Grades: Automatic Grade Braking monitors vehicle speed, acceleration, engine torque and brake pedal usage. using this information, it detects when the truck is on a downhill grade and the driver desires to slow the vehicle. Then if necessary, the transmission downshifts to help hold the desired speed.
Faster Stops Automatically: To get full braking force as fast as possible in urgent stops, all Sierra HD SRW models feature Intelligent brake Assist. If the system senses rapid brake-pedal movement, it automatically applies full system pressure, which can shorten stopping distances.
Hill Start Brake Assist: This standard feature senses potential "rollback" when braking on an incline, and then holds full brake pressure when you lift your foot from the pedal. It gives you an extra 1.5 seconds to apply power and pull away. This peace of mind is standard on Sierra HD SRW models.
StabiliTrak: Standard on Sierra HD SRW models, Stabilitrak senses when your vehicle is not adequately responding to your steering inputs, then adjusts engine speed and brake pressure to any individual wheel to help maintain traction and steering control.
THE UTMOST IN EXCLUSIVITY. THE ULTIMATE IN CAPABILITY.
From leather-appointed seating surfaces to the polished wood tones and brushed metal accents, the first-ever Denali gives the Sierra HD series a new and even more refined meaning. With its extensive list of standard features, Denali HD gives you the luxury of the boardroom with the power to match.
Refined Acoustics: Sierra Denali HD is engineered to minimize noise and vibration for a quiet, refined atmosphere. These advanced acoustics also help you to enjoy the Bose Centerpoint Sound System. It delivers five independent channels from stereo recordings to give you a surround Stage processing lets the driver and occupants feel as if they are center stage, while AudioPilot compensates for changing ambient noise levels.
Comfort In Any Weather: Denali's HD's 12-way power seats are available with their own climate control system. They warm you with built-in heating elements, or cool you with air that flows through the perforated leather seat inserts. A heated steering wheel, exclusive to Denali, is a welcome option in cold climates.
DVD-Based Touch-Screen Navigation: The available DVD-based touch-screen navigation system combines superb audio performance with mapping capabilities from a variety of sources. it features a 6.5-inch display, 2-D or 3-D graphics and 3 months of XM NavTraffic. It also integrates with OnStar Turn-by-Turn Navigation so you will never stop to ask directions.
OnStar: A six month subscription to OnStar that includes OnStar Directions & Connections is standard in Denali, SLT and SLE models. With Tuirn-by-Turn Navigation, you just push the OnStar button to tell the Advisor where you want to go, and turn-by-turn directions are downloaded to your vehicle. OnStar eNav lets you plan routes on mapquest.com and store them in your vehicle so you can call them up with a simple voice command. OnStar Destination Download lets you contact your Advisor and then download directions to your screen-based navigation system.
Bluetooth Connectivity: To help you stay in touch at all times, Bluetooth capability is standard in Denali and SLT models to let you connect your wireless phone or PDA to the standard hands-free system. This allows you to control your device with the phone and audio system controls located on the steering wheel.
Stay Connected with Autonet WiFi: Mka eyour Sierra HD a wireless hot spot with available dealer-installed Autonet Mobile WiFi, the first provider designed for automotive use. It allows up to 10 people to connect to the Internet at once, using any combination of smart phones, laptops, or WiFi-enabled devices. Ask your dealer for plan prices and details.
THE SWEET LIFE Control. Comfort. Capacity. That's the story of Sierra SLT HD. Beyond the crisp details, precise fits and premium materials, SLT also offers comprehensive security and entertainment technology. It all works together to give you the advantage, whatever the situation.
OnStar Automatic Crash Response: You can get help even if you can't ask for it. In the event of a crash. built-in sensors can automatically send an alert to OnStar. An Advisor is immediately connected into your vehicle to see if you need help. Even if you can't respond, the Advisor can use GPS technology to send emergency responders to your exact location. Visit onstar.com to learn more.
Air Bag Restraint Systems: In addition to frontal air bags, head curtain side-impact air bags and seat mounted side-impact pelvic and thorax air bags are available on all 2500 HD models.
Rear-Seat Entertainment (RSE): Available on Denali and SLT Crew Cab models, RSE includes a DVD player and an 8-inch diagonal flip-down screen. It also comes with dual play, which has a separate upper DVD slot in the stereo to help front-seat passengers control the DVD or music playing behind them. RSE is compatible with most popular video gaming systems. The RSE also includes a wireless infrared remote control and two sets of wireless headphones.
Bose Premium Sound System: For the ultimate in sound quality and listening convenience, the Sierra SLT audio systems include features such as steering-wheel-mounted radio controls, and a Bose premium speaker system with a subwoofer mounted in the center console for deep, low-frequency response..
When our engineers created the new 2011 Sierra Heavy Duty Series, they left no bolt unturned. By rejecting compromise and crafting every detail, GMC delivered the strongest, most powerful and most capable lineup of Sierra HD Pickups, ever. Featuring a complete system of control, capability and driver comfort, the new 2011 Sierra HD and the first-ever Denali HD redefine Heavy Duty and are the perfect example of why we never say never. GMC. We are professional grade.Take More. Tow More. Haul More.
To help you get more in every load, and get more done every day, the new Sierra HD has the strongest frame we've ever built into an HD pickup. Crafted with high-strength alloy steel, and fully boxed from front to rear, it is engineered for a maximum Gross Combined Weight Rating (GCWR) of 29,200 lbs - the highest rating in its class.
High Strength, Low Weight: For the best strength-to-weight balance, the new Sierra HD frame is built up from three individual sections. This design made it possible to optimize each section for its task, from mounting the engine and transmission in the front section, to supporting the cab in the center section, to providing a solid platform for a segment-leading maximum payload and efficient fifth-wheel installation in the rear section. Together, these sections form a frame with almost twice the resistance to bending as the previous model.
A Solid Foundation For A Smooth Ride: For maximum strength, the new Sierra HD frame features a hydroformed front frame section. This metal-forming process preserves uniform steelthickness throughout. To create the fully boxed frame rails, two C-channel sections are overlapped - essentially, welding a frame inside a frame - to form a box that resists sagging and bending.
Stronger Mounting, Stronger Frame: The sturdy boxed frame also allowed through-rail mounting for the tubular chassis cross-members. This mounting gives maximum support and resistance to twisting on uneven road surfaces.
A Load. Not A Burden: No other HD pickup offers more capacity in more models than Sierra. the 3500HD Regular Cab 2WD Dual-Rear-Wheel (DRW) model has maximum payload capacity of 6635 lbs. And GMC Sierra HD offers 2500- and 3500- Series capacity on Single-Rear-Wheel (SRW) models as well, with maximum payloads of 4192 lbs on 2500 models, and 4632 lbs on 3500 models.
Ready To Plow: Adding a plow to Sierra HD is easy. Ask your dealer for the available Snow Plow Prep Package, and your truck will be prepared for most current hydraulic snow plows. It upgrades the front Gross Axle Weight Rating (GAWR) to 6000 lbs on diesel-equipped models, while the torsion-bar front suspension allows you to make seasonal ride-height adjustments in minutes, with a single wrench.
OFF THE CHART POWER, OFF THE CHART RANGE
The available new Duramax Diesel 6.6L V-8 Turbo and Allison 1000 Series 6-speed automatic transmission are engineered to achieve a goal that most assumed to be impossible: improving power and mileage, together. Advanced diesel direct-injection technology and an adaptive transmission controller help Duramax to run at peak efficiency, and provide you with a highway mileage range of up to 680 highway miles.
Starts in 3.0 Seconds At -40 degrees F: A diesel that starts easily in Artic-like weather? It's all in a cold day's work for the Duramax Diesel 6.6L V-8 Turbo. With an advanced Direct-Injection (DI) fuel system, the Duramax injectors pressurize fuel up to mist that burns quickly and easily, to give you fast startsm, quieter operation and lower emissions than the previous model.
B20 Biodiesel Fuel Compatible: To help reduce carbon dioxide emissions, the Duramax Diesel 6.6L V-8 Turbo can run on B20 biodiesel, a mixture of 20 percent biodiesel produced from domestic renewable resources, and 8- percent petroleum diesel.
Proven And Reliable: The Duramax/Allison powertrain has a proven track record, with more than 1.2 million sold since 2000.
Smooth Shifts With Exceptional Control: The Allison 1000 Series 6-speed automatic - the same make used in the M1 tank - is built with multiple features to help the driver handle heavy loads with confidence. there's range selection mode to enhance control and engine braking in specific driving situations and grade braking mode that helps slow the vehicle on long grades by automatically selecting a lower gear.
A Monthly Checkup From OnStar: With available OnStar, your Sierra HD can run through a monthly check of your engine, transmission, antilock brakes and more and email you the results. You can ask for an OnStar Onboard Vehicle Diagnostics check while you're driving.
ABSOLUTE POWER IS ABSOLUTELY NECESSARY
How you apply power is just as important as how much power you have. So, the standard 6.0L Vortec VVT V-8 delivers torque and horsepower across a wide RPM range. Matched with the Hydramatic 6L90-E, it gives the driver smooth and progressive response for effortless driving, trailering and hauling.
Improved Low-Speed Response: The 6.0L Vortec VVT V-8 has a revised camshaft profile that gives you a deep reserve of low-end torque. it's most helpful in driving situations where you need to apply power gently and progressively, such as trailering heavy objects, backing up to attach a trailer or maneuvering in tight spaces.
All Power And No Compromise: Variable Value Timing (VVT) changes when and how intake and exhaust valves open and close. This changes engine performance from a smooth and quiet-idling dynamo to a bold, aggressive high-performance V-8 at full throttle. This helps to provide you with ample reserve power at virtually every speed., so you can approach challenging trailering or load-carrying situations with confidence.
6.0L vortec VVT V-8 Horsepower and Torque: The ideal partner to the 6.0L Vortec VVT V-8,t he advanced Hydramatic 6L90-E 6-speed transmission constantly senses load, acceleration and other inputs, then controls engine torque for smooth, almost imperceptible shifts.
THE STORY BEGINS AT THE END OF THE ROAD
The best way to appreciate the engineering that went into the new Sierra HD suspension is when the road is at its worst, or when there is no road at all. With a redesigned fully independent torsion-bar front suspension on every model, and a completely revised rear suspension, Sierra HD removes the compromise between ride comfort and load capacity, so you can trailer or haul heavy loads with a comfortable margin of control.
Independent Front Suspension: All Sierra HD models have a new Independent Front Suspension (IFS), designed for the constant punishment of heavy-duty use. built extra-strong from extreme-duty componenets, it gives both a smoother ride than conventional beam-axle suspensions and up to a 6000 lb front axle GAWR that is unsurpassed by competitive HD models.
Rear Leaf Springs That Match The Load: The more load your HD takes, the more its springs step up to the challenge. New rear leaf springs are 3 inches wide - two stage for 2500 models, and three-stage for 3500 models.
Body Mounts That Tune Out Vibration: Vibrations are the enemy of comfort. That's why Sierra HD Extended and Crew Cab models are cushioned at the rear cab frame attachments with hydraulic body mounts.
Traction That's Fully Automatic: No other competitor in the class offers an available fully automatic locking rear differential, for on- or off-road use. When the Eaton Locker senses a difference in wheel speed between left and rear wheels of approximately 100 rpm, it locks both rear wheels, to turn in unison for added traction.
ONE CASE WHERE MORE WEIGHT IS A GOOD THING
The new Sierra HD is built with power and capacity to give you significantly improved trailering capability. Virtually every aspect was rethought or reinforced for heavy loads and high Gross Vehicle Weight Ratings (GVWRs). More important is the sense of control that comes from knowing GMC has already anticipated your task and built accordingly.
Exceptional Max Payload And Trailering: We said HD, and we mean it. Sierra HD offers outstanding payload and trailering, including segment-leading conventional trailering capability of up to 17,000 lbs, and fifth-wheel trailering capability of up to 21,700 lbs.
Built-In Fifth Wheel Prep: To help you choose the fifth-wheel or gooseneck hitch that works best for your needs, our engineers consulted with leading aftermarket hitch manufacturers. Based on their input, we added new access holes to the rear frame section to accept a wider variety of hitches. These holes also help to preserve frame strength and save installation time.
Keeping Your Trailer In Line: Standard on all Sierra HD SRW models, Sierra HD trailer sway control uses the built-in StabiliTrak sensors to look for changes in ride motion that could indicate trailer sway, and then applies braking as needed to bring the trailer back in line. A fully integrated trailer brake controller is also available to give you greater control of trailer braking force.
BRAKING POWER THAT GOES BEYOND THE PEDAL
Sierra HD's braking system is much more than a pedal. It is a system of control engineered to help keep you on your intended path, and mantain your cool no matter how challenging the situation. Because, with a heavy load behind you, you need to be ready for what's ahead of you.
"Smart" Braking Power: The new diesel exhaust brake is an innovative standard feature for Duramax models. Unlike the traditional "on/off" diesel exhaust brakes, the driver selectable "smart" brake varies negative torque needed, based on the truck load and grade. This helps reduce brake fade, extends brake life and gives drivers plenty of confidence when hauling heavy loads downhill.
Extra Confidence On Long Grades: Automatic Grade Braking monitors vehicle speed, acceleration, engine torque and brake pedal usage. using this information, it detects when the truck is on a downhill grade and the driver desires to slow the vehicle. Then if necessary, the transmission downshifts to help hold the desired speed.
Faster Stops Automatically: To get full braking force as fast as possible in urgent stops, all Sierra HD SRW models feature Intelligent brake Assist. If the system senses rapid brake-pedal movement, it automatically applies full system pressure, which can shorten stopping distances.
Hill Start Brake Assist: This standard feature senses potential "rollback" when braking on an incline, and then holds full brake pressure when you lift your foot from the pedal. It gives you an extra 1.5 seconds to apply power and pull away. This peace of mind is standard on Sierra HD SRW models.
StabiliTrak: Standard on Sierra HD SRW models, Stabilitrak senses when your vehicle is not adequately responding to your steering inputs, then adjusts engine speed and brake pressure to any individual wheel to help maintain traction and steering control.
THE UTMOST IN EXCLUSIVITY. THE ULTIMATE IN CAPABILITY.
From leather-appointed seating surfaces to the polished wood tones and brushed metal accents, the first-ever Denali gives the Sierra HD series a new and even more refined meaning. With its extensive list of standard features, Denali HD gives you the luxury of the boardroom with the power to match.
Refined Acoustics: Sierra Denali HD is engineered to minimize noise and vibration for a quiet, refined atmosphere. These advanced acoustics also help you to enjoy the Bose Centerpoint Sound System. It delivers five independent channels from stereo recordings to give you a surround Stage processing lets the driver and occupants feel as if they are center stage, while AudioPilot compensates for changing ambient noise levels.
Comfort In Any Weather: Denali's HD's 12-way power seats are available with their own climate control system. They warm you with built-in heating elements, or cool you with air that flows through the perforated leather seat inserts. A heated steering wheel, exclusive to Denali, is a welcome option in cold climates.
DVD-Based Touch-Screen Navigation: The available DVD-based touch-screen navigation system combines superb audio performance with mapping capabilities from a variety of sources. it features a 6.5-inch display, 2-D or 3-D graphics and 3 months of XM NavTraffic. It also integrates with OnStar Turn-by-Turn Navigation so you will never stop to ask directions.
OnStar: A six month subscription to OnStar that includes OnStar Directions & Connections is standard in Denali, SLT and SLE models. With Tuirn-by-Turn Navigation, you just push the OnStar button to tell the Advisor where you want to go, and turn-by-turn directions are downloaded to your vehicle. OnStar eNav lets you plan routes on mapquest.com and store them in your vehicle so you can call them up with a simple voice command. OnStar Destination Download lets you contact your Advisor and then download directions to your screen-based navigation system.
Bluetooth Connectivity: To help you stay in touch at all times, Bluetooth capability is standard in Denali and SLT models to let you connect your wireless phone or PDA to the standard hands-free system. This allows you to control your device with the phone and audio system controls located on the steering wheel.
Stay Connected with Autonet WiFi: Mka eyour Sierra HD a wireless hot spot with available dealer-installed Autonet Mobile WiFi, the first provider designed for automotive use. It allows up to 10 people to connect to the Internet at once, using any combination of smart phones, laptops, or WiFi-enabled devices. Ask your dealer for plan prices and details.
THE SWEET LIFE Control. Comfort. Capacity. That's the story of Sierra SLT HD. Beyond the crisp details, precise fits and premium materials, SLT also offers comprehensive security and entertainment technology. It all works together to give you the advantage, whatever the situation.
OnStar Automatic Crash Response: You can get help even if you can't ask for it. In the event of a crash. built-in sensors can automatically send an alert to OnStar. An Advisor is immediately connected into your vehicle to see if you need help. Even if you can't respond, the Advisor can use GPS technology to send emergency responders to your exact location. Visit onstar.com to learn more.
Air Bag Restraint Systems: In addition to frontal air bags, head curtain side-impact air bags and seat mounted side-impact pelvic and thorax air bags are available on all 2500 HD models.
Rear-Seat Entertainment (RSE): Available on Denali and SLT Crew Cab models, RSE includes a DVD player and an 8-inch diagonal flip-down screen. It also comes with dual play, which has a separate upper DVD slot in the stereo to help front-seat passengers control the DVD or music playing behind them. RSE is compatible with most popular video gaming systems. The RSE also includes a wireless infrared remote control and two sets of wireless headphones.
Bose Premium Sound System: For the ultimate in sound quality and listening convenience, the Sierra SLT audio systems include features such as steering-wheel-mounted radio controls, and a Bose premium speaker system with a subwoofer mounted in the center console for deep, low-frequency response..