SIERRA HEAVY DUTY

KEY FEATURES

AVAILABLE
2500 MAX TOWING OF 22,500 LBS

AVAILABLE
ENHANCED 6.6L DURAMAX TURBO DIESEL WITH 975 LB-FT OF TORQUE AND 470 HP

AVAILABLE
3500 MAX TOWING OF 36,000 LBS

INTRODUCING THE FIRST EVER SIERRA HD DENALI ULTIMATE

THE MOST ADVANCED AND LUXURIOUS HEAVY-DUTY PICKUP IN ITS CLASS

ENHANCED 6.6L DURAMAX TURBO DIESEL WITH NEW TURBOCHARGER AND ALLISON® 10-SPEED TRANSMISSION

OFFERS THE MOST TRAILERING-ASSISTANCE TECHNOLOGIES IN ITS CLASS

THE ULTIMATE IN DENALI LUXURY

The First Ever Sierra HD Denali Ultimate takes premium capability to amazing new places inside and out.

STAND OUT IN ULTIMATE STYLE

Denali Ultimate’s signature style boldly announces its presence everywhere you go.

NEW LED PROJECTOR HEADLAMPS AND SIGNATURE LIGHTING WITH ANIMATED SEQUENCES

NEW SIGNATURE DENALI GRILLE, LOWER SKID PLATE AND GMC BADGING FINISHED IN VADER CHROME

EXCLUSIVE 20" ULTRA-BRIGHT MACHINED ALUMINUM WHEELS WITH HIGH-GLOSS BLACK ACCENTS
(Single Rear Wheel Only)

PULL YOUR WORLD WITH TURBOCHARGED POWER

Sierra Heavy Duty’s world-class towing capability is enhanced with an available all-new, more efficient turbocharger that increases power and torque over the entire operating speed range, including a 25% boost in low-end torque over the previous model year.

AVAILABLE 6.6L DURAMAX TURBO DIESEL WITH ALL NEW TURBOCHARGER AND ALLISON® 10-SPEED AUTOMATIC TRANSMISSION OFFERS:

  • 975 lb-ft of Torque and 470 hp
  • Up to 25% Increase in Low-End Torque Over the Previous Model Year
  • Increased Power and Torque Over the Entire Operating Speed Range
  • Enhanced Exhaust Brake Performance for Improved Control When Towing
  • Improved Engine Braking With a More Powerful Turbo Vane Actuator and Uprated Valve Springs

AVAILABLE
2500 MAX TOWING OF 22,500 LBS

EXPERIENCE V8 TOWING PROWESS
6.6L V8 GAS ENGINE WITH ALLISON® 10-SPEED AUTOMATIC TRANSMISSION
401 hp | 464 lb-ft of Torque | 10.8:1 Compression Ratio

AVAILABLE
3500 MAX TOWING OF 36,000 LBS

Sierra Heavy Duty’s standard 6.6L gas engine is now paired with the Allison 10-speed automatic transmission. This allows the engine to be held closer to its peak power band, optimizing power, torque and efficiency.

SIERRA HEAVY DUTY ADVANCED TRAILERING TECH

The New Sierra Heavy Duty helps you pull your world like never before. Offering the most trailering-assistance technologies in its class, the available advanced tech allows you to trailer with enhanced confidence and improved views.

PROGRADE™ TRAILERING TECH

Sierra Heavy Duty offers the most trailering-assistance technologies in its class. The advanced suite of available intelligent technologies helps streamline the hitching and towing process with integrated tools that enhance your sense of safety, confidence and visibility.

UP TO 14 AVAILABLE CAMERA VIEWS
INCLUDING TRANSPARENT TRAILER VIEW

More views help to provide a more confident trailering experience, such as transparent trailer view, which is now enhanced to enable compatibility with gooseneck and fifth-wheel trailers.

ADAPTIVE CRUISE CONTROL WITH TRAILERING

This available feature is an all-new technology for Sierra HD. It allows Sierra HD's available Adaptive Cruise Control to account for additional drag and increased braking distances when towing a trailer.

GO FORTH WITH CONFIDENCE

Sierra Heavy Duty can help enhance your awareness of the road and surrounding vehicles with GMC HD Pro Safety, a suite of advanced collision-avoidance and driver-assistance technologies.

YOUR SCREENS YOUR WAY

Sierra Heavy Duty’s available massive customizable screens let you organize your information and media the way you want.

AVAILABLE 12.3" DIAG. DIGITAL DRIVER INFORMATION CENTER

AVAILABLE 13.4" DIAG. CENTER TOUCHSCREEN - THE LARGEST IN ITS CLASS

AVAILABLE 15" DIAG. HEAD-UP DISPLAY

SIERRA HD AT4: PREMIUM OFF-ROADING

AT4 offers powerful capability engineered to take on off-road obstacles and the tough backcountry.

SIERRA HD AT4 CAPABILITY FEATURES

  • 2-Speed AutoTrac Transfer Case With Active Automatic 4WD
  • Off-Road Suspension With Rancho® Shocks and Skid Plates
  • Traction Select System With Off-Road and Tow/Haul Modes
  • Hill Descent Control and Hill Start Assist
  • New Available BFGoodrich Off-Road Tires

STAND OUT IN AT4 STYLE

EXTERIOR DETAILS INCLUDE:

  • New LED Projector Headlamps and Signature Lighting
  • Animated lighting sequences when approaching, starting, or when using the turn signals
  • Redesigned AT4 Grille and Front Fascia
  • Available Power-Retractable Assist Steps With LED Perimeter Lighting
  • World’s First Six-Function GMC MultiProTM Tailgate
  • Red Vertical Recovery Hooks
  • Spray-on Bedliner With AT4 Logo
  • Standard 20” Gloss-Black Aluminum Wheels With Available BFGoodrich Off-Road Tires

INTERIOR DETAILS INCLUDE:

  • Premium AT4 Interior in Jet Black With Kalahari Accents
  • Premium All-Weather Floor Liners With Removable Carpet Inserts
  • Wrapped Heated Steering Wheel
  • 10-Way Power Front Seats
  • Heated and Ventilated Front Leather Seating Surfaces
  • Available 15" Diag. Head-Up Display
  • Available Rear Camera Mirror

DENALI SETS THE STANDARD

Sierra HD Denali’s advanced tech and premium signature Denali styling are first-class all the way.

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

  • Bold, New Front Bumper, Fascia and Redesigned Denali Chrome Grille
  • 20" Ultra-Bright Machined Wheels With Bright Chrome and Gloss-Black Accents (Single Rear Wheel) and Larger 18“ Forged Polished Aluminum Wheels (Dually Rear Wheel)
  • Available Accessory 22” Aluminum Wheels (Single Rear Wheel Models Only)
  • Available Power-Retractable Assist Steps With LED Perimeter Lighting and Bright Accents
  • Chrome Vertical Front Recovery Hooks†
  • New LED Projector Headlamps and Signature Lighting
  • Animated lighting sequences when approaching, starting, or when using the turn signals
  • Spray-On Bedliner With Denali Logo

CHOOSE YOUR GMC SIERRA HEAVY DUTY

Sierra Heavy Duty is technologically advanced with premium comfort and the power you need to pull your world.

SIERRA HD DENALI ULTIMATE
AVAILABLE SPRING 2023

Key Highlights Include:

  • Standard 6.6L Duramax Turbo Diesel Engine with Allison 10-Speed Automatic Transmission
  • Signature Denali Vader Chrome Grille and Exclusive 20" Ultra-Bright Machined Aluminum Wheels With Gloss-Black Inserts (Single Rear Wheel Models Only)
  • Ultimate Alpine Umber Interior Featuring Full-Grain Leather Seating and Authentic Open-Pore Paldao Wood and 16-Way Power Front Seats With Massage Feature
  • 12-Speaker Bose® Premium Series With Centerpoint® Surround Sound
  • Standard Illuminated Power Assist Steps and MultiProTM KICKER® Audio System

SIERRA HD DENALI
AVAILABLE SPRING 2023

Key Highlights Include:

  • Standard 6.6L Gas Engine or Available 6.6L Duramax Turbo Diesel Engine With Allison® 10-Speed Automatic Transmission
  • Standard 20" Ultra-Bright Machined Wheels With Bright Chrome Inserts (Single Rear Wheel Models Only)
  • 13.4" Diagonal Center Touch-Screen, 12.3" Diagonal Digital Driver Information Center and Available Multicolor 15" Diagonal Head-Up Display
  • Denali-Exclusive Authentic Open-Pore Wood, Patterned Aluminum Trim and Forge Perforated Leather Seating Surfaces

SIERRA HD AT4
AVAILABLE SPRING 2023

Key Highlights Include:

  • Standard 6.6L Gas Engine or Available 6.6L Duramax Turbo Diesel Engine With Allison® 10-Speed Automatic Transmission
  • 13.4" Diagonal Center Touch-screen, 12.3" Diagonal Digital Driver Information Center and Available Multicolor 15" Diagonal Head-Up Display
  • Unique Jet Black Interior With Kalahari Accents and Heated and Ventilated Perforated Front Leather Seating Surfaces
  • Available Multicolor 15" Diagonal Head-Up Display With Off-Road Inclinometer
  • Standard 20” Gloss-Black Aluminum Wheels With Available BFGoodrich Off Road Tires
  • Off-Road Suspension Package With Twin-Tube Rancho® Shocks and Skid Plates