AT4X and AT4X AEV Edition models shown throughout are preproduction models. Actual production models may vary. AT4X AEV Edition shown with available accessories throughout. Available fall 2023.

AT4X and AT4X AEV Edition models shown throughout are preproduction models. Actual production models may vary. AT4X AEV Edition shown with available accessories throughout. Available fall 2023.

2024 SIERRA HEAVY DUTY

 AT4 AND THE FIRST EVER AT4X

AT4 AS SHOWN: $XX,XXX†
AT4X AS SHOWN: $XX,XXX†

KEY FEATURES

AVAILABLE ON AT4X

MAX TOWING OF 8,391 KG (18,500 LBS)

AT4 SHOWN HAS AVAILABLE MAX TOWING OF 7,847 KG (17,300 LBS)

EXCLUSIVE ON AT4X

FACTORY-INSTALLED 1.5" SUSPENSION LIFT

EXCLUSIVE ON AT4X

MULTIMATIC™ DSSV DAMPERS

STANDARD ON AT4

OFF-ROAD SUSPENSION WITH RANCHO® SHOCKS

EXCLUSIVE ON AT4X

35" GOODYEAR® TERRITORY MT TIRES

EXCLUSIVE ON AT4X

EXCLUSIVE OBSIDIAN RUSH INTERIOR WITH FULL-GRAIN LEATHER SEATING

EXPLORE SIERRA HD AT4 & AT4X

AS SHOWN: {{as_shown_price}} {{as_shown_price_disclosure}}

AT4

STARTING AT: {{starting_price}}{{starting_price_disclosure}}

Key Features:

  • Standard 6.6L V8 Gas Engine
  • 13.4" Diagonal Centre Touch-Screen, 12.3" Diagonal Digital Driver Information Centre and Available Multicolour 15" Diagonal Head-Up Display With Off-Road Inclinometer
  • Unique Jet Black Interior With Kalahari Accents and Heated and Ventilated Perforated Front Leather Seating Surfaces
  • Standard 20" Gloss-Black Aluminum Wheels With Available BFGoodrich Off-Road Tires
  • Off-Road Suspension Package With Twin-Tube Rancho® Shocks and Skid Plates

AS SHOWN: {{as_shown_price}} {{as_shown_price_disclosure}}

AT4X

STARTING AT: {{starting_price}}{{starting_price_disclosure}}

AVAILABLE FALL 2023

Key Features:

  • Standard 6.6L V8 Gas Engine
  • Multimatic™ DSSV Dampers
  • Rear E-Locking Differential 
  • Heated and Ventilated 16-Way Power Front Seats With Massage Feature 
  • Obsidian Rush Interior Featuring Full-Grain Leather Seating With Technical-Grain Leather Accents and Authentic Vanta Ash Wood 
  • 12-Speaker Bose® Premium Series With Centerpoint® Surround Sound 
  • 35" Goodyear® Territory MT Tires 
  • Factory-Installed 1.5" Suspension Lift 
  • Larger Steel Transfer Case Skid Plate and Front Aluminum Skid Plate

Due to current supply-chain shortages, certain features shown have limited or late availability, or are no longer available. See the window label or a dealer regarding the features on an individual vehicle.

INTERIOR

Sierra HD AT4 and AT4X’s rugged yet refined interiors offer premium materials and advanced technologies to help you take on the world in comfort and control.

U.S. AT4X model shown.

AT4

U.S. model shown with available feature.

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INTERIOR UPGRADES

With its premium AT4 interior in Jet Black with Kalahari accents and wrapped heated steering wheel, AT4X upgrades every adventure.

AT4

2 of 6

HEATED AND VENTILATED FRONT LEATHER SEATING SURFACES

Travel comfortably no matter where the action leads you.

AT4X

3 of 6

EXCLUSIVE OBSIDIAN RUSH INTERIOR

Sierra HD AT4X’s exclusive Obsidian Rush interior is designed to let you tackle tough terrain in comfort and style. While the bold details of the red and white double-needle stitching give the Sierra HD AT4X interior an athletic character.

AT4X

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AUTHENTIC VANTA ASH WOOD

Sierra HD AT4X’s interior is enhanced with high-end materials and expert craftsmanship.

AT4X

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BEST-IN-CLASS 16-WAY POWER FRONT SEATS WITH MASSAGING FEATURE

Venture beyond the boundaries in serious comfort in Sierra HD AT4X.

AT4X

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PREMIUM ALL-WEATHER FLOOR LINERS WITH REMOVABLE CARPET INSERTS

Help protect your interior with versatile available floor liners.

EXTERIOR

Stand out with a bold, heroic design and ruggedly functional enhancements.

AT4

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REDESIGNED AT4 GRILLE AND FRONT FASCIA

Stand out with a bold, heroic front end design.

AT4

2 of 6

20" GLOSS-BLACK ALUMINUM WHEELS

Rugged and good-looking Sierra HD AT4’s aluminum wheels with available BFGoodrich off-road tires are made for rough trails.

AT4 & AT4X

3 of 6

SPRAY-ON BEDLINER WITH LOGO

Help protect the bed and enhance its style with durable cargo bed protection.

AT4 & AT4X

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NEW LED PROJECTOR HEADLAMPS AND SIGNATURE LIGHTING WITH ANIMATED SEQUENCES

New lighting enhances the bold exterior design of Sierra HD AT4 and AT4X.

AT4 & AT4X

5 of 6

AVAILABLE POWER-RETRACTABLE ASSIST STEPS WITH LED PERIMETER LIGHTING

Help get the job done with available functional features.

TRIM

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SPRAY-ON BEDLINER WITH LOGO

Help protect the bed and enhance its style with durable cargo bed protection. 

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AVAILABLE POWER-RETRACTABLE ASSIST STEPS WITH LED PERIMETER LIGHTING  

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FIRST EVER SIERRA HD AT4X AEV EDITION

Tame the untamed in the First Ever Sierra HD AT4X AEV Edition. Equipped by off-road recreational driving and overland adventure travel experts American Expedition Vehicles (AEV), this off-road pickup is engineered for the roughest terrain.

Available accessories shown.

AEV STAMPED-STEEL FRONT & REAR BUMPERS

AEV heavy-duty, stamped-steel, powder-coated front and rear bumpers offer added protection while summiting boulders, logs and rough terrain.

AEV RACING-INSPIRED 18" SALTA WHEELS WITH 16-SPOKE DESIGN

AEV Salta wheels with a 16-spoke design add to the AEV Edition’s rugged good looks.

Available accessory winch shown.

AEV STAMPED-STEEL SKID PLATES

Rugged underbody protection with stamped-steel skid plates helps keep vital components such as the steering gear and the transfer case protected from ruts, rocks, stumps and other adversities of the trail.

AEV EMBROIDERED FRONT HEAD RESTRAINTS

The truck is accented with exclusive AEV embroidered badging on the front head restraints.

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AEV STAMPED-STEEL FRONT & REAR BUMPERS

AEV heavy-duty, stamped-steel, powder-coated front and rear bumpers offer added protection while summiting boulders, logs and rough terrain.

Available accessory winch shown.

2 of 4

AEV STAMPED-STEEL SKID PLATES

Rugged underbody protection with stamped-steel skid plates helps keep vital components such as the steering gear and the transfer case protected from ruts, rocks, stumps and other adversities of the trail.

3 of 4

AEV RACING-INSPIRED 18" SALTA WHEELS WITH 16-SPOKE DESIGN

AEV Salta wheels with a 16-spoke design add to the AEV Edition’s rugged good looks.

4 of 4

AEV EMBROIDERED FRONT HEAD RESTRAINTS

The truck is accented with exclusive AEV embroidered badging on the front head restraints

AT4X vs. AT4X AEV

AT4X

GROUND CLEARANCE

11.6"

APPROACH ANGLE

31.6°

BREAKOVER ANGLE

21.2°

DEPARTURE ANGLE

25.7°

AT4X AEV

GROUND CLEARANCE

11.8"

APPROACH ANGLE

29.8°

BREAKOVER ANGLE

22.6°

DEPARTURE ANGLE

25.7°

TECHNOLOGY

Sierra Heavy Duty’s available massive customizable screens and advanced tech help keep you informed and in command.

U.S. AT4X model shown.

CONFIDENCE

Sierra Heavy Duty offers advanced tech such as up to 14 available camera views to help you confidently pull your world.

U.S. model with available features shown.

1 of 6

13.4" DIAGONAL CENTRE TOUCH-SCREEN—THE LARGEST IN ITS CLASS

A 13.4" diagonal tablet-style touch-screen — the largest in its class — is the customizable, high-tech centrepiece of the cabin.

2 of 6

12.3" DIAGONAL DIGITAL DRIVER INFORMATION CENTRE

Sierra Heavy Duty features a 12.3" diagonal digital Driver Information Centre. Control and customize important vehicle, driving and infotainment content.

U.S. model shown.

 4 of 6

NEXT-GENERATION GMC INFOTAINMENT SYSTEM WITH GOOGLE BUILT-IN

With the next-generation GMC Infotainment System and available Google built-in compatibility, Sierra Heavy Duty offers a helpful, personalized and seamless way to enhance your in-vehicle experience.

Available accessories shown.

5 of 6

AVAILABLE PROGRADE™ TRAILERING TECH

This advanced suite of intelligent technologies helps streamline the hitching and towing process with integrated tools that help enhance your sense of safety, confidence and visibility.

CAPABILITY

Serious adventure-ready hardware meets premium on-road comfort and world-class towing power.

Available accessories shown.

OUT THERE

Sierra HD AT4’s HDNA is ready to take on off-road challenges out there beyond the boundaries.

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ENHANCED 6.6L DURAMAX TURBO DIESEL V8 ENGINE WITH NEW TURBOCHARGER AND ALLISON® 10-SPEED TRANSMISSION

Sierra Heavy Duty’s world-class towing capability is enhanced for 2024 with an available 6.6L Duramax Turbo Diesel V8 engine and a new, more efficient turbocharger.

AT4X AEV Edition shown with available accessory winch.

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AVAILABLE FACTORY-INSTALLED 1.5" SUSPENSION LIFT

Sierra HD AT4X and AT4X AEV Edition are factory-lifted to provide the clearance you need to overcome off-road challenges.

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MULTIMATIC DSSV DAMPERS

Available AT4X-exclusive MultimaticTM DSSV dampers feature three separate spool valves to control damping and three connected chambers for fluid flow.

5 of 6

REAR E-LOCKING DIFFERENTIAL

Tackle tough terrain with an available rear electronic-locking differential, which assures both wheels will spin together regardless of the amount of resistance to keep traction in the rough backcountry.

6 of 6

AVAILABLE 35" GOODYEAR® TERRITORY MT TIRES

Off-road tires offer serious traction for the trail or street.

SAFETY

SIERRA HD PRO SAFETY

Every Sierra Heavy Duty includes active safety and driver-assistance technologies that help while driving and trailering. Sierra HD Pro Safety includes:

Forward Collision Alert
Following Distance Indicator
Front Pedestrian Braking
IntelliBeam

Lane Departure Warning
Buckle to Drive
Automatic Emergency Braking

AT4 COLOURS

EXTERIOR
Summit White

Summit White

AS SHOWN: $XX,XXX

Thunderstorm Grey

Thunderstorm Grey

AS SHOWN: $XX,XXX

Onyx Black

Onyx Black

AS SHOWN: $XX,XXX

Sterling Metallic

Sterling Metallic

AS SHOWN: $XX,XXX

Volcanic Red Tintcoat

Volcanic Red Tintcoat

AS SHOWN: $XX,XXX

Titanium Rush Metallic

Titanium Rush Metallic

AS SHOWN: $XX,XXX

INTERIOR
Jet Black with Kalahari Accents

Jet Black with Kalahari Accents

AS SHOWN: $XX,XXX

Due to current supply-chain shortages, certain features shown have limited or late availability, or are no longer available. See the window label or a dealer regarding the features on an individual vehicle. 

SPEC HIGHLIGHTS

SIERRA 2500 HD AT4

Sierra 2500 HD AT4 Pickup Truck comes in a 4WD Crew Cab model with a 6' 9" standard bed or an available 8' long bed. 

MAX AVAILABLE CONVENTIONAL TRAILERING

9,071 kg (20,000 lbs.)

MAX GCWR

13,607 kg (30,000 lbs.)

WHEELBASE

159.0"–172.0"

FRONT/REAR TREAD WIDTH

SRW: 68.4"/68.3"

MAX AVAILABLE GOOSENECK/FIFTH-WHEEL TRAILERING RATING

9,611 kg (21,190 lbs.)

GROUND CLEARANCE

10.1"

CARGO VOLUME

69.5–83.5 cu. ft.

MAX PAYLOAD

1,750 kg (3,859 lbs.)

SIERRA 3500 HD AT4

The Sierra 3500 HD AT4 pickup truck comes in a 4WD Crew Cab model with a 6' 9" standard bed or an available 8' long bed. Single Rear Wheel only.

MAX AVAILABLE CONVENTIONAL TRAILERING

9,071 kg (20,000 lbs.)

MAX GCWR

13,607 kg (30,000 lbs.)

WHEELBASE

159.0"–172.0"

FRONT/REAR TREAD WIDTH

SRW: 68.4"/68.3"

MAX AVAILABLE GOOSENECK/FIFTH-WHEEL TRAILERING RATING

9,661 kg (21,300 lbs.)

GROUND CLEARANCE

11.1"–11.2"

CARGO VOLUME

69.5 – 83.5 cu. ft.

MAX PAYLOAD

1,833 kg (4,043 lbs.)

SIERRA 2500 HD AT4X

The Sierra 2500 HD AT4X pickup truck comes in a 4WD Crew Cab model with a 6' 9" standard bed. Single Rear Wheel only.

MAX AVAILABLE CONVENTIONAL TRAILERING

8,391 kg (18,500 lbs.)

MAX GCWR

12,473 kg (27,500 lbs.)

WHEELBASE

159.0"

FRONT/REAR TREAD WIDTH

SRW: 69.4"/69.3"

MAX AVAILABLE GOOSENECK/FIFTH-WHEEL TRAILERING RATING

8,164 kg (18,000 lbs.)

GROUND CLEARANCE

11.6"

CARGO VOLUME

69.5 cu. ft.

MAX PAYLOAD

1,492 kg (3,291 lbs.)

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2024 SIERRA HEAVY DUTY

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2023 SIERRA HEAVY DUTY

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Your safety is very important to us. If you want to determine whether or not there is a recall on your current vehicle or on a vehicle you are considering buying, visit https://my.gm.ca/gmc/en/recalls.

Your safety is very important to us. If you want to determine whether or not there is a recall on your current vehicle or on a vehicle you are considering buying, visit https://my.gm.ca/gmc/en/recalls.

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