
FIRST HD IN ITS CLASS WITH AVAILABLEHEAD-UP DISPLAY & REAR CAMERA MIRROR†
AVAILABLE WORLD'S FIRSTSIX-FUNCTION MULTIPRO TAILGATE†
FIRST HD IN ITS CLASS WITH AVAILABLEALLISON® 10-SPEED TRANSMISSION
AVAILABLE UP TO15 CAMERA VIEWS†
BEST-IN-CLASSHD CARGO BED VOLUME
INDUSTRY-FIRST AVAILABLETRANSPARENT TRAILER VIEW†
SIERRA HD FEATURED PACKAGES
DENALI BLACK DIAMOND EDITION
FIRST-CLASS INTERIOR FEATURES:
- Spacious Interior Features Best-in-Class† Crew Cab Front Head and Leg Room
- Perforated Forge Leather Seating Surfaces With Contrasting Stitch Pattern
- Aluminum Trim and Chrome Accents
- Premium Instrument Panel and Door Trim With Authentic Open-Pore Walnut Wood Detailing
- Embroidered Denali Logo on Front Seatbacks
- Etched Stainless-Steel Speaker Grille Details
DENALI SIGNATURE STYLING
KEY FEATURES:
- Bold, New Front Bumper, Fascia and Redesigned Denali Chrome Grille
- 20" Ultra-Bright Machined Aluminum Wheels With Bright Chrome and Gloss-Black Accents (Single Rear Wheel Models Only) and Larger 18" Forged Polished Aluminum Wheels (Dual Rear Wheel Models Only)
- Available Power-Retractable Assist Steps With LED Perimeter Lighting and Bright Accents
- New LED Projector Headlamps and Signature Lighting With Animated Sequences
FEATURE HIGHLIGHTS
Built strong to tow strong with up to 36,000 LBS.† of max towing available.
† Requires properly equipped 3500 HD Regular Cab Long Box 2WD DRW with available Duramax 6.6L Turbo-Diesel V8 engine, Max Trailering Package and gooseneck hitch. Before you buy a vehicle or use it for trailering, carefully review the Trailering section of the Owner's Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.

POWERFUL ENGINES & TRANSMISSIONS
Experience confident driving and trailering:
- Standard 6.6L V8 Gas Engine
- 401 hp and 464 lb.-ft. of torque
- 6-speed automatic transmission
- Available 6.6L Duramax Turbo-Diesel V8 Engine with Allison 10-Speed Automatic Transmission
- 445 hp and 910 lb.-ft. of torque
- Large variable-speed cooling fan and dual path air induction system

HIGH-TECH CAPABILITY
- Available Auto Electric Parking Brake
- Park Grade Hold Assist
- Available Digital Variable Steering Assist
- Available 2-Speed Autotrac® Transfer Case
- Available Traction Select with Tow/Haul & Off-Road Mode

OFF-ROAD SUSPENSION WITH RANCHO® SHOCKS AND SKID PLATES
- Twin-Tube Rancho shocks provide dampening when off-road
- Skid plates add underbody protection
- Eaton® locking rear differential helps give traction for rugged terrain
WORLD'S FIRST SIX-FUNCTION
GMC MULTIPRO TAILGATE
The GMC MultiPro Tailgate offers six distinct functions designed to help improve loading, unloading and accessing the cargo box. Standard on Sierra HD Denali, AT4, SLT and SLE. Available on Sierra HD Pro.

PRIMARY GATE & EASY ACCESS
- Open the primary gate with the key fob's power release from inside the truck or from the gate button.
- With the primary gate open, the load stop can help prevent items from sliding out of the bed.
- Fold down the inner gate for easy access when loading and unloading the bed.

INNER GATE VERSATILITY
- After removing the conventional hitch, the inner gate folds into a large step for easy entry and exit from the bed (step holds up to 375 lbs.).
- The inner gate includes a load stop to help prevent second-tier items from sliding out of the bed. The inner gate can be disabled to prevent it from being opened when a hitch or other equipment is installed.
- When opened, the inner gate provides a work surface as well as second-tier loading.
EYE-CATCHING INTERIORS
A bold exterior calls for an interior that lives up to the same caliber. Whether you're looking for rugged or refined, Sierra Heavy Duty has an interior colorway fit to match your style. Scroll through a few of its impressive interior options below.

DARK WALNUT/DARK ASH GREY
Forge Perforated Leather Seating Surfaces
Sierra HD Denali Pickup Truck shown. (Also available in Jet Black.)

JET BLACK WITH KALAHARI ACCENTS
Perforated Front Leather Seating Surfaces
Sierra HD AT4 Pickup Truck shown.

DARK WALNUT/SLATE
Perforated Leather-Appointed Front Seats
Sierra HD SLT Pickup Truck shown. (Also available in Jet Black.)
TECH & SAFETY HIGHLIGHTS
The Sierra Heavy Duty pickup offers technology and safety features to help keep you driving confident and connected.


REAR CAMERA MIRROR
The available Rear Camera Mirror† provides a wide and less obstructed view behind the vehicle while you're driving. You can switch between the camera view and a traditional rearview mirror.
†Safety or driver assistance features are no substitute for the driver's responsibility to operate the vehicle in a safe manner. The driver should remain attentive to traffic, surroundings and road conditions at all times. Visibility, weather and road conditions may affect feature performance. Read the vehicle Owner's Manual for more important feature limitations and information.

AVAILABLE FIRST-IN-CLASS 15" DIAGONAL HEAD-UP DISPLAY
A multicolor 15" diagonal Head-Up Display helps you keep your eyes on the road by projecting directly onto the windshield key information such as: Speed, tachometer, mobile alerts, available navigation†, available Forward Collision Alert††, available Lane Departure Warning‡, cruise control and more.
†Functionality varies by model. Full functionality requires compatible Bluetooth and smartphone, and USB connectivity for some devices. Map coverage available in the United States, Puerto Rico and Canada.
††Safety or driver assistance features are no substitute for the driver's responsibility to operate the vehicle in a safe manner. Read the vehicle Owner's Manual for important feature limitations and information.
‡Safety or driver assistance features are no substitute for the driver's responsibility to operate the vehicle in a safe manner. Read the vehicle Owner's Manual for important feature limitations and information.

AVAILABLE HD SURROUND VISION
High-Definition Surround Vision† uses multiple cameras to display a digital overhead image of the area around your vehicle along with Rear Vision Camera or front views. It works at low speeds and may help you park and avoid nearby objects. You can select additional views on your camera display.
†Safety or driver assistance features are no substitute for the driver's responsibility to operate the vehicle in a safe manner. The driver should remain attentive to traffic, surroundings and road conditions at all times. Visibility, weather and road conditions may affect feature performance. Read the vehicle Owner's Manual for more important feature limitations and information.
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Sango GMC
4410 FRONT ST
WINNSBORO, LA 71295
- Sales: (877) 753-8137
1Dealer Discount applied to everyone