New 2011 Sierra Heavy-Duty
GMC today announces the new 2011 Sierra Denali HD, the first
offering of the exclusive Denali line on a heavy-duty GMC pickup. The
Sierra Denali HD leads a comprehensively redesigned lineup of 2011
Sierra 2500HD and 3500HD trucks that go on sale in early summer –
including the most powerful diesel engine in the segment.
Sierra HD’s new 6.6L Duramax turbo diesel delivers 397 horsepower
(296 kW) at 3,000 rpm and 765 lb.-ft. of torque (1,037 Nm) at 1,600
rpm.
“The new Sierra Denali HD is the latest expression of GMC’s Denali
philosophy of blending capability with premium features and styling,”
said Lisa Hutchinson, GMC product marketing director. “It is a premium
tool that offers many comfort and infotainment features, along with a
maximum towing capacity of 15,600 pounds with the segment’s most
powerful diesel – that’s enough to tow a 34-foot-long, three-axle
travel trailer.”
The Sierra Denali HD comes exclusively on the 2500HD chassis, in a
4WD crew cab standard box configuration. A Vortec 6.0L gas
V-8/six-speed automatic powertrain is standard and the new Duramax 6.6L
turbo diesel/Allison 1000 six-speed transmission powertrain is
available.
The iconic Denali four-bar, chrome grille with round air inlets
distinguishes the Sierra Denali HD on the outside, along with
body-color bumpers, chrome door handles, chrome accents and 18- and
20-inch polished forged aluminum wheels.
The balance of the new 2011 Sierra HD lineup is identified on the
outside by new, three-bar grilles and powertrain-badged louvered hoods,
along with a revised, full-width chrome steel front bumper and a new
family of 17-, 18- and 20-inch wheels. It’s beneath the skin, however,
where they are truly separated from their predecessors – and the
competition. Highlights include:
- Increased towing capability (20,000 lbs./9,072
kg) and payload (6,335 lbs./2,873 kg) supported by all-new fully-boxed,
high-strength-steel frames and strong suspensions for maximum
capability and exceptional ride characteristics -
Five of the 12 3500HD models offer a payload capability greater than
6,000 pounds vs. Ford Super Duty’s single model greater than 6,000
pounds - Thirteen of the 22 2500HD models offer a
payload capability greater than 3,100 pounds vs. Ford Super Duty’s
single model greater than 3,100 pounds - New 6.6L
Duramax diesel delivers segment-best power, up to 11-percent greater
highway fuel economy, up to 63-percent lower emissions, B20 biodiesel
capability and quicker acceleration - Larger gas
tank and fuel economy improvements allow up to 680 miles (1,090 km)
between fill-ups with the 6.6L Duramax turbo diesel - All-new “smart” exhaust brake feature provides greater control on grades and reduced brake pad wear
-
An array of control features, including trailer sway control,
integrated trailer brake control, hill start assist, automatic grade
braking, intelligent brake assist and larger brakes -
Purposeful technology, including available mobile WiFi, USB
connectivity, Bluetooth connectivity, XM Satellite Radio, OnStar 9.0
and navigation.
“GMC has been one of the industry’s strongest truck brands for more
than 100 years, and we back the 2011 Sierra HDs with a comprehensive
five-year/100,000-mile powertrain warranty that provides the best
coverage in America,” said Hutchinson. “From the segment-best diesel
power to the segment-best warranty, these trucks deliver strength and
peace of mind on all fronts.”
Following are details of the new and redesigned product features of
the Sierra Denali HD and the other Sierra 2500HD and 3500HD models.
The Sierra HD lineup brings greater capability.
The details: Depending on the model, Sierra HD models offer:
- Increased fifth-wheel towing capacity of 20,000 pounds (9,072 kg)
- Conventional towing capacity increases up to 23 percent, with a maximum of 16,000 pounds (7,272 kg)
- Improved payload capability of 6,335 pounds (2,873 kg) on a complete vehicle
- Gross Combined Weight Rating increases to 27,500 pounds (12,500 kg)
- Gross Vehicle Weight Ratings increases up to 17 percent to 13,000 pounds (5,909 kg)
- Front Axle Weight Rating increases by up to 25 percent to 6,000 pounds (2,721 kg)
- Snow plow capability for all 4WD cab configurations.
“You can see by the ratings numbers that the Sierra HD lineup is
more capable, but the trucks are also better performers in the
intangible qualities that bond owners with their trucks,” said Rick
Spina, vehicle line executive. “They accelerate quicker – especially
when fully loaded – stop more confidently and deliver a smooth, quiet
driving experience that you have to experience to fully appreciate.”
The new 2011 Sierra Denali pairs capability with premium features.
The details: The new Sierra Denali HD is offered
exclusively in the Crew Cab standard box configuration on the 2500HD
chassis, providing a spacious cabin with room for up to five. As with
other Denali models, including the new Acadia Denali, the cabin is
unique with standard premium touches. It includes Denali-specific
brushed aluminum trim, power-adjustable pedals, a Bose premium surround
audio system and 12-way power seats. Along with an optional heated
steering wheel, heated and cooled leather-appointed seating is
available. The exterior is offered in three colors: Black, Stealth Gray
and White.
On the capability front, the Sierra Denali has a gross vehicle
weight rating (GVWR) of 10,000 pounds (4,536 kg), a payload capacity of
2,959 pounds (1,342 kg) and a maximum trailering rating of 15,600
pounds (7,076 kg) with a fifth-wheel hitch. The maximum conventional
hitch trailering rating is 13,000 pounds (5,897 kg).
Engineers developed 11 all-new, fully boxed frame assemblies to
improve durability and ride characteristics and support increased
capabilities.
The details: The frames have increased cross sections and
use more high-strength steel for greater durability, higher towing
capacity and improved ride and handling; the front sections are
hydroformed. The bending and beaming stiffness of the frames is
increased 92 percent and 20 percent, respectively, with the fully boxed
sections enhancing torsional stiffness by a factor of five. Also,
larger engine and transmission mounts, coupled with a
125-percent-stiffer front frame structure, provide greater vibration
control, while hydraulic body mounts are incorporated under the cab
section on extended and crew cab models for a more isolated feel
inside. Engineers addressed common customer and aftermarket uses when
designing the new frames, including adding access holes to the rear
frame section to enable easier installation of
fifth-wheel/gooseneck-style hitches. Also, the frame-mounted hitch for
conventional trailering is stronger, with a box-tube design. It
supports up to 16,000 pounds (7,257 kg).
Sierra HDs feature a new, stronger independent front suspension – enabling snow plow installation on all 4WD models.
The details: A completely redesigned independent front
suspension system offers up to a 25-percent greater front axle weight
rating – up to 6,000 pounds (2,721 kg) front gross axle weight rating
(FGAWR) – so a snow plow can be used on all 4WD cab configurations with
the available snow plow prep package. Sierra’s signature short-long
arm/torsion bar front suspension design is retained, but now features
new, forged steel upper control arms that are stronger and lighter than
their predecessors. The new lower control arms are made of
precision-machined cast iron to handle the greater loads. Five
different torsion bar rates support five different front gross axle
weight ratings (a single torsion bar was previously used for all
models). This helps stabilize the range of trim heights of various
models under load, while enhancing appearance, handling, durability,
tire wear and alignment. The trim height is adjusted on each bar via a
single bolt, easily allowing the height to be changed to account for
the weight of a snow plow or other accessories. The Sierra HD front
suspension now uses a pair of urethane jounce bumpers on each side,
instead of one, for improved load management; and there’s a new upper
shock mount attachment design that’s positively connected to the frame
with two fasteners. This design eliminates squeaks and clunks, while
supporting higher load capability and increased durability.
COMPETITIVE FACTS: Compared to competitors’ beam-axle front
suspensions, the Sierra’s independent front suspension provides a
better ride, more accurate trim height control (with fewer parts) and
greater flexibility to adjust the alignment for weight and tire
sensitivity.
A new asymmetrical leaf-spring rear suspension supports greater loads.
The details: Matching the Sierra HD’s greater strength and
capability is a rear suspension designed to support greater loads. It
features a new, larger asymmetrical leaf-spring design that also
contributes to improved ride and handling characteristics. The
asymmetrical design is derived from unequal front and rear spring half
lengths, which minimize axle hop and enhance traction control
efficiency. 2500HD models feature a two-stage leaf-spring design, while
3500HD models have a three-stage design. All models feature 3-inch-wide
(76 mm) leaf springs that are 20-percent wider than previous models.
The larger leaf-spring design supports increased rear gross axle weight
ratings across the board. On the 2500HD models, the rating is 6,200
pounds (2,818 kg) – up from 6,084 (2,765). On 3500HD models, the rating
increases to 7,050 pounds (3,204 kg) on single-rear-wheel models and
9,375 pounds (4,261 kg) on dual-rear-wheel models – the latter
representing a nearly 14-percent increase over the previous 8,200-pound
(3,727 kg) rating.
Sierra HDs deliver a more refined driving experience, with more capable ride, handling and steering.
The details: Longer wheelbases – ranging from 133.6 inches
(3,395 mm) to 167.7 inches (4,259 mm) – and wider front/rear tracks
enhance the ride and handling characteristics of the Sierra 2500HD and
3500HD, giving them a greater feeling of smoothness and control. The
longer wheelbases and wider tracks are complemented by the new, stiffer
frames, new jounce bumpers, shock mounts and hydraulic body mounts to
provide a solid, smooth and isolated driving experience. New shocks
were specially valved to support the new trucks’ weight ratings, while
balancing excellent ride characteristics. Also enhancing the driving
experience is a revised steering system designed to support the trucks’
greater front gross axle weight rating. It includes a new, larger
steering gear, power steering pumps and linkages. The pumps (different
parts for gas and diesel models) deliver greater pressure for reduced
steering effort in low-speed and parking maneuvers; they are also
quieter. On some models, the new linkages feature a compliant joint
added at the pitman attachment to enhance handling.
The new 6.6L Duramax turbo diesel delivers segment-leading
torque and up to 63-percent lower NOx emissions; and is B20-capable.
The details: The workhorse Duramax 6.6L turbo diesel V-8 is
more powerful and durable for 2011, delivering segment-best horsepower
and torque – 397 horsepower (296 kW) at 3,000 rpm and 765 lb.-ft. of
torque (1,037 Nm) at 1,600 rpm – lower emissions and B20 biodiesel
capability that promotes a domestically produced renewable fuel. The
new Duramax 6.6L features:
- NOx emissions reduced at least 63 percent over 2010 models
- Quieter operation
-
High-pressure (30,000 psi/2,000 bar) Piezo-actuated fuel system for
greater fuel efficiency, improved performance and reduced emissions - “Smart” exhaust brake feature that enables controlled vehicle slowdown on downhill grades without actuating the brakes
-
Selective catalytic reduction after-treatment system using diesel
exhaust fluid (DEF) injection to provide the best overall diesel
characteristics and performance – with a range of about 5,000 miles
(8,000 km) between DEF refills - Combustion and
after-treatment have been optimized to provide about 700 miles (1,125
km) between diesel particulate filter regenerations – a 75-percent
improvement over the previous system and a significant contributor to
improved fuel efficiency, as the regeneration process requires
additional fuel - B20 biodiesel capability for an alternative fueling option
- Internal revisions that improve durability.
With nearly 1.3 million Duramax 6.6L engines produced since 2000,
they have proven exceptionally durable and dependable. The internal
elements that helped build its reputation are enhanced for 2011,
including:
- Main bearings’ profiles changed to enhance oil film thickness
- Oil pump flow increased for increased pressure at low speeds
- Modified turbocharger oil circuit for increased pressure at the turbo and faster oil delivery
- The connecting rods’ pin ends are modified to provide increased piston support
- New, higher-strength piston design that eliminates bushings to provide lower reciprocating weight
- An EGR cooler bypass reduces high-mileage soot deposits in the cooler and EGR circuit.
COMPETITIVE FACTS: Compared with Ford Super Duty’s
urea-based system, Sierra HD’s selective catalytic reduction
after-treatment system delivers better overall diesel performance, with
a range of about 5,000 miles (8,000 km) between DEF refills. Its
optimized combustion and after-treatment process provides about 700
miles (1,125 km) between diesel particulate filter regenerations – a
better capability than Ford’s.
New Allison 1000 six-speed automatic transmission works with the
Duramax 6.6L to deliver greater fuel economy, quicker acceleration,
greater towing capability and exhaust brake system.
The details: The enhanced Allison 1000 is strengthened to
handle the higher torque capability of the new 6.6L Duramax engine,
while also helping to improve fuel economy and provide seamless
assistance with a new exhaust brake system. Greater efficiency is
delivered through reduced “spin loss” – meaning, the transmission
channels more of the engine’s power to the axles, allowing it to do
more with less fuel. The Allison 1000 also features driver shift
control with tap up/tap down shifting and a patented elevated idle mode
cab warm-up feature. Also, the tow/haul mode reduces shift cycling for
better control and improved cooling when towing or hauling heavy loads.
The six-speed configuration retains its two overdrive gears for optimal
efficiency. Performance with the Duramax/Allison combination is also
improved over previous models, with preliminary testing showing 0-60
mph times of less than 9 seconds and quarter-mile times of less than 16
seconds in 2500HD models. That’s about 0.3-second and 0.5-second
quicker, respectively, than previous models.
A strengthened Vortec 6.0L/Hydra-Matic 6L90 six-speed powertrain is standard in all models.
The details: The Vortec 6.0L gas V-8 with variable valve
timing returns to the new Sierra HDs, along with a strengthened version
of the Hydra-Matic 6L90 six-speed automatic transmission. This
combination delivers excellent performance and efficiency, with a
greater emphasis on low-rpm power. It is enhanced for 2011 with greater
idle refinement.
The engine is rated at 360 horsepower (268 kW) at 5,400 rpm and 380
lb.-ft. (515 Nm) at 4,200 rpm in trucks with GVWRs up to 10,000 pounds.
It is rated at an estimated 322 horsepower (240 kW) at 4,400 rpm and
380 lb.-ft. of torque (515 Nm) at 4,200 rpm in trucks with GVWRs
greater than 10,000 pounds.
The 6L90 is enhanced for greater strength, smoothness and quietness via:
- Adding four attachment bosses to the transfer
case adapter (4WD models) for increased strength and smoother, quieter
performance
- Increasing the cross section size of the transfer case adapter for greater strength
- Adding a new, stronger output shaft
- Adding a new heat shield and vent hose.
COMPETITIVE FACTS: Ford’s new Super Duty models share the
same transmission between their gas and diesel engines. Sierra HDs’
Allison 1000 and Hydra-Matic 6L90 transmission were developed for the
specific horsepower, torque and operating range differences that
distinguish the diesel and gas engines.
Brake feel and performance is greatly improved.
The details: The standard four-wheel disc system is
completely revamped to deliver smoother, more immediate and
confident-feeling performance. Four-wheel, four-channel ABS is standard
on all single-rear-wheel models and a three-channel system is standard
on dual-rear-wheel models. The front and rear rotors are larger in
diameter – 14 inches (355 mm) – and width on all models to support
their increased capacity, weight ratings and trailering ratings, while
the calipers are stiffer and stronger. The hydroboost brake booster
calibration is revised for reduced pedal effort, and the travel of the
pedal is also revised for a more comfortable, confident feel. Larger
wheel hub and bearing assemblies complement the new brake system, and
the rear rotors attach to the wheel hubs for easier servicing.
Sierra HD’s ‘smart’ exhaust brake feature provides greater control and reduces brake pad wear.
The details: A new standard feature on Duramax-equipped
models is the “smart” exhaust brake. This driver-selectable feature
uses the turbine control of the variable geometry turbocharger and the
compression of the engine to generate backpressure, slowing the vehicle
without applying the brakes. It is integrated with the cruise control
feature and varies the braking to account for the grade and vehicle
load. The exhaust brake allows for virtually effortless driving and
towing, with seamless and quiet operation. It also helps prolong brake
life and prevents overheating the brakes on long, downhill grades.
Comprehensive safety features and functional technologies include trailer sway control system and hill start assist.
The details: The 2011 Sierra 2500HD and 3500HD models have
a comprehensive roster of safety features and functional technologies
that include:
- StabiliTrak electronic stability control system on all single-rear-wheel models
- Larger, four-wheel disc brakes with standard four-wheel ABS
- A new high-strength steel tubular frame cross member that enhances safety and improves crashworthiness
- Seat pelvic/thorax and head curtain side air bags available on 2500HD
- Available rear backup camera
- Segment-exclusive OnStar 9.0
- Trailer sway control system on all single-rear-wheel models
- Hill start assist (standard on single-rear-wheel models)
The trailer sway control system provides an added measure of
confidence when towing a trailer. The system senses conditions of
trailer sway and intervenes with braking and/or reduced engine power to
bring the trailer under control and keep it on its intended path. The
system uses electric trailer brakes when a trailer is plugged into the
standard wiring harness of the truck and its performance requires no
input from the driver. The hill start assist system is automatically
engaged when sensors detect the vehicle is on a grade of about 5
percent or greater. It holds the brakes for about 1.5 seconds or until
the gas pedal is pressed, preventing rollback – it is particularly
effective when towing, giving the driver time to switch from the brake
pedal to the gas pedal without rolling.
The GMC Sierra HD lineup is broader than ever.
The details: For 2011, the Sierra heavy-duty lineup expands
to include 11 2500HD models and eight single- and dual-rear-wheel
3500HD models – including a new 3500HD Crew Cab with a 6.5-foot cargo
box. Other models are offered in WT, SLE and SLT trim levels, while
popular features such as the EZ Lift tailgate and rearview camera
system are retained.
Sierra HD professional-grade interiors are refined and well-appointed – and ready to work.
The details: From the available remote starting feature to
the unimpeded access offered by the 170-degree-opening rear access
doors on extended cab models, the 2011 Sierra HD models reflect the
professional grade blend of refinement and functionality for which GMC
is known. The interiors have excellent attention to detail and are
quieter – thanks to the range of the truck’s enhancements. The stronger
chassis, quieter Duramax engine and even details like a quieter power
steering pump contribute to the Sierra HD delivering exceptional
quietness.
Along with quietness, Sierra HD models are designed for work. The
interiors feature numerous storage compartments, providing covered
access for everything from work gloves to laptops. For those who use
their truck as a mobile office, Sierra HDs deliver with available
mobile WiFi, USB connectivity, Bluetooth connectivity, XM Satellite
Radio and a navigation system. Multiple charge points enable multiple
electronic devices to operate simultaneously; and when equipped with
the available navigation system, XM NavTraffic offers real-time updates
of traffic conditions (in selected areas) that can help plan the most
effective route to the job site.
Sierra HDs are ready for the long haul – and the cold.
The details: The 2011 Sierra HDs drive farther without
stopping to refuel. A new, 36-gallon (136 L) fuel tank is standard on
all models and, with the improved fuel efficiency of the powertrains,
enables a cruising range of about 680 miles (1,090 km) with the Duramax
6.6L. Cold-weather customers will appreciate the Duramax 6.6L’s quick,
reliable start-up, with a starting time on par with gas engines. Its
glow plug cycle time is the segment’s best in all temperatures, taking
no more than 3 seconds in temperatures as low as -20 F (-29 C). There’s
also a cab heat-up feature that allows the engine to idle faster in low
temperatures to warm the interior more quickly.
The 2011 Sierra HD lineup has the best warranty coverage in America.
The details: All 2011 Sierra 2500HD and 3500HD trucks work
under the best warranty coverage in America: a five-year/100,000-mile
limited powertrain warranty, plus roadside assistance, courtesy
transportation and other features that provide assurance that GMC backs
its trucks for everything the road offers.
About GMC
GMC is evolving to include more fuel-efficient trucks and
crossovers. The GMC Terrain is a smaller SUV that offers 32 mpg highway
fuel economy along with the capability, engineering expertise and
refinement that have defined GMC for more than a century. Complementing
the Terrain are the Acadia eight-passenger crossover, Yukon and Yukon
XL and Sierra pickups. Today GMC is the only manufacturer offering
three full-size hybrid models. Details on all GMC models are available
at www.gmc.com.
# # #
SPECIFICATIONS
2011 SIERRA DENALI HD
Overview
|
Models:
|
2500HD Denali crew cab std. box, 4WD
|
|
Body style/driveline:
|
5-passenger crew cab; 3/4-ton; 4-wheel-drive heavy-duty pickup
|
|
Construction:
|
body on frame
|
|
EPA vehicle class:
|
full-size truck
|
|
Manufacturing location:
|
Flint, Mich.
|
|
Key competitors:
|
Ford Super Duty Series pickup, Ram heavy-duty pickup
|
Engines
|
Vortec 6.0L V-8 (L96)
|
Duramax 6.6L Turbo Diesel V-8 (LML)
|
|
|
Type :
|
6.0L V-8
|
6.6L V-8
|
|
Displacement (cu in/cc):
|
364/5967
|
403/6599
|
|
Bore & stroke (in/mm):
|
4.00 x 3.62/101.6 x 92
|
4.06 x 3.9/103 x 99
|
|
Block material:
|
cast iron
|
cast iron
|
|
Cylinder head material:
|
cast aluminum
|
cast aluminum
|
|
Valvetrain:
|
overhead valve, two valves per cylinder, variable valve timing
|
overhead valve, four valves per cylinder
|
|
Ignition system:
|
coil-near-plug, platinum- tipped spark plugs, low-resistance spark plug wires
|
compression, glow plug start aid
|
|
Fuel delivery:
|
sequential fuel injection
|
direct injection diesel with high-pressure common rail
|
|
Compression ratio:
|
9.6:1
|
16.0:1
|
|
Horsepower
|
360/268 @ 5400
|
397/296 @ 3000
|
|
Torque
|
380/515 @ 4200
|
765/1037 @ 1600
|
|
Recommended fuel:
|
regular unleaded
|
diesel or B20
|
|
Maximum engine speed (rpm):
|
6000
|
4800
|
|
Emissions controls:
|
three-way catalytic converter, positive crankcase ventilation, evaporative collection system
|
|
Transmissions
|
Hydra-Matic 6L90
|
Allison 1000
|
|
|
Type :
|
six-speed automatic
|
six-speed automatic
|
|
Gear ratios (:1):
|
||
|
First:
|
4.03
|
3.10
|
|
Second:
|
2.36
|
1.81
|
|
Third:
|
1.53
|
1.41
|
|
Fourth:
|
1.15
|
1.00
|
|
Fifth:
|
0.85
|
0.71
|
|
Sixth:
|
0.67
|
0.61
|
|
Reverse:
|
3.06
|
4.49
|
|
Final drive ratio:
|
3.73 or 4.10
|
3.73
|
Chassis/Suspension
|
Front:
|
all models: std long- and short-arm independent front torsion bar suspension
|
|
Rear:
|
semi-elliptic two-stage multi-leaf spring
|
|
Steering type:
|
integral power-assisted recirculating ball
|
|
Steering ratio:
|
16.1
|
|
Steering wheel turns, lock-to-lock:
|
3.57
|
Turning Circle
Brakes
Wheels/Tires
Dimensions
Exterior
|
Wheelbase (in/mm):
|
153.7/3904.4
|
|
Overall length (in/mm):
|
240.1/6100
|
|
Overall width (in/mm):
|
80/2032
|
|
Overall height: (in/mm):
|
78.3/1989.5
|
|
Track – front (in/mm):
|
68.8/1748
|
|
Track – rear (in/mm):
|
67.3/1709
|
|
Min. ground clearance (in/mm):
|
front: 9.7/247
|
|
Step-in height (in/mm):
|
26/661
|
Weight and payload ratings
|
GVWR (lb/kg)
|
Curb Weight (lb/kg)
|
Payload (lb/kg)
|
|
|
Crew cab, std. box (4WD):
|
6.0L: 9500/4173
|
6.0L: 6377/2892
|
6.0L: 2959/1342
|
Cargo box
|
Cargo volume (cu ft/L):
|
60.7/1718
|
|
Length at floor (in/mm):
|
78.8/2003
|
|
Width at floor (in/mm):
|
62.4/1586
|
|
Tailgate width (in/mm):
|
61.5/1564
|
|
Width between wheel housings (in/mm):
|
50.6/1286
|
|
Inside height (in/mm):
|
21/533
|
Interior
|
Headroom (in/mm):
|
front: 41.2/1048
|
|
rear: 40.5/1030
|
|
|
Legroom (in/mm):
|
front: 41.3/1049
|
|
rear: 39/991
|
|
|
Shoulder room (in/mm):
|
front: 65.2/1657
|
|
rear: 65.1/1655
|
|
|
Hip room (in/mm):
|
front: 60.3/1532
|
|
rear: 65.4/1663
|
Capacities
|
Seating:
|
5
|
|
Fuel tank (gal/L):
|
36/136
|
|
Engine oil (qt/L):
|
6.0L: 6.0/5.7
|
|
Cooling system (qt/L):
|
6.0L: 16.4/15.5
|
Trailering
|
Trailer towing maximum with ball hitch (lb/kg)
|
Trailer towing maximum with fifth-wheel hitch (lb/kg)
|
|
|
Sierra Denali HD:
|
6.0L (3.73 axle): 9300/4218
|
6.0L (3.73 axle): 9300/4218
|
*SAE certified.
Note: Information shown is current at time of publication.
SPECIFICATIONS
2011 SIERRA 3500HD
Overview
|
Models:
|
3500HD reg. cab, long box, 2WD & 4WD
|
|
3500HD ext. cab, long box, 2WD & 4WD
|
|
|
3500HD crew cab, long box, 2WD & 4WD
|
|
|
3500HD crew cab, std. box, 2WD & 4WD
|
|
|
Body style/driveline:
|
2-3 passenger regular cab or 5-6 passenger extended cab,
|
|
5-6-passenger crew cab
|
|
|
1-ton; 2- and 4-wheel-drive heavy-duty pickup
|
|
|
Construction:
|
body on frame
|
|
EPA vehicle class:
|
full-size truck
|
|
Manufacturing location:
|
Flint, Mich., Ft. Wayne, Ind.
|
|
Key competitors:
|
Ford Super Duty Series pickup, Ram heavy-duty pickup
|
Engines
|
Vortec 6.0L V-8 (L96)
|
Duramax 6.6L Turbo Diesel V-8 (LML)
|
|
|
Type:
|
6.0L V-8
|
6.6L V-8
|
|
Displacement (cu in/cc):
|
364/5967
|
403/6599
|
|
Bore & stroke (in/mm):
|
4.00 x 3.62/101.6 x 92
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4.06 x 3.9/103 x 99
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Block material:
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cast iron
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cast iron
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Cylinder head material:
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cast aluminum
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cast aluminum
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Valvetrain:
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overhead valve, two valves per cylinder, variable valve timing
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overhead valve, four valves per cylinder
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Ignition system:
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coil-near-plug, platinum- tipped spark plugs, low-resistance spark plug wires
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compression, glow plug start aid
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Fuel delivery:
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sequential fuel injection
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direct injection diesel with high-pressure common rail
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Compression ratio:
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9.6:1
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16.0:1
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Horsepower
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360/268 @ 5400 < 10,000 GVWR
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397/296 @ 3000
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Torque
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380/515 @ 4200
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765/1037 @ 1600
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Recommended fuel:
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regular unleaded
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diesel or B20
|
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Maximum engine speed (rpm):
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6000
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4800
|
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Emissions controls:
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three-way catalytic converter, positive crankcase ventilation, evaporative collection system
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Transmissions
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Hydra-Matic 6L90
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Allison 1000
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|
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Type:
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6-speed automatic (with Vortec 6.0L)
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6-speed automatic (with Duramax 6.6L)
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|
Gear ratios (:1):
|
||
|
First:
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4.03
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3.10
|
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Second:
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2.36
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1.81
|
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Third:
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1.53
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1.41
|
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Fourth:
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1.15
|
1.00
|
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Fifth:
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0.85
|
0.71
|
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Sixth:
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0.67
|
0.61
|
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Reverse:
|
3.06
|
4.49
|
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Final drive ratio:
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3.73 or 4.10
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3.73
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Chassis/Suspension
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Front:
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all models: std long- and short-arm independent front torsion bar suspension
|
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Rear:
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semi-elliptic three-stage multi-leaf spring
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Steering type:
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integral power-assisted recirculating ball
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Steering ratio:
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16:1
|
|
Steering wheel turns, lock-to-lock:
|
3.57
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Turning Circle
|
Regular Cab Long Box
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Extended Cab Long Box
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Crew Cab Long Box
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Crew Cab Std. Box
|
|
|
Turning circle, curb-to-curb
|
SRW: 44.9/13.7
|
SRW: 51.8/15.8
|
SRW: 54.8/16.7
|
SRW: 50.5/15.4
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Brakes
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Type:
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power-assisted, Hydroboost brake-apply system, four-wheel disc, four-wheel ABS
|
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Rotor diameter x thickness
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front: 13.97 x 1.57/355 x 40
|
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Total swept area (sq in/sq cm):
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front: 278/1793
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Wheels/Tires
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Wheel size and type
|
|
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Single rear wheels:
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18 x 8.0-in steel
|
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Dual rear wheels:
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17 x 6.5-in steel
|
|
Tire size
|
|
|
Single rear wheels:
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LT265/70R18 all season or all terrain
|
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Dual rear wheels:
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LT235/80R17 all season or all terrain
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Dimensions
Exterior
|
Regular Cab
|
Extended Cab
|
Crew Cab
|
Crew Cab
|
|
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Wheelbase
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133.6/3395.4
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158.1/4017.4
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153.7/3904.4
|
167.7/4259.4
|
|
Ov
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