Rear profile view of the 2024 GMC Sierra HD AT4.

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†
BUILD & PRICE VIEW INVENTORY

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

CURRENT OFFERS

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EXPLORE SIERRA HD AT4 & AT4X

COMPARE TRIMS

2024 Sierra HD AT4 2500 in Summit White Gaz.

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
BUILD & PRICE
2024 Sierra HD 2500 AT4X in Volcanic Red Tintcoat.

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

AT4X

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

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
BUILD & PRICE

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.
Front interior of the 2024 Sierra HD AT4.

AT4

U.S. model shown with available feature.
Front interior of the 2024 Sierra HD AT4 featuring the infotainment system.

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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
2024 GMC Sierra HD AT4 featuring heated and ventilated seating.

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HEATED AND VENTILATED FRONT LEATHER SEATING SURFACES

Travel comfortably no matter where the action leads you.

AT4X
2024 Sierra HD AT4X seats with accents in exclusive Obsidian Rush Interior.

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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
2024 Sierra HD AT4X interior accents in Authentic Vanta Ash Wood.

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AUTHENTIC VANTA ASH WOOD

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

AT4X
2024 Sierra HD AT4X power seats with massaging feature.

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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
2024 Sierra HD AT4X premium all-weather floor linters with removable carpet inserts.

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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.
Rugged and functional 2024 GMC Sierra HD AT4 driving off-road.

AT4
2024 GMC Sierra HD AT4 trailering off-road.

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REDESIGNED AT4 GRILLE AND FRONT FASCIA

Stand out with a bold, heroic front end design.

AT4
2024 GMC Sierra HD AT4 gloss-black aluminum wheels.

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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

2024 GMC Sierra HD AT4 Spray-On Bedliner with Logo.

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SPRAY-ON BEDLINER WITH LOGO

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

AT4 & AT4X
2024 GMC Sierra HD AT4 new LED projector headlamps and signature lighting.

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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

2024 GMC Sierra HD AT4 with Power-Retractable Assist Steps with LED perimeter lighting.

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AVAILABLE POWER-RETRACTABLE ASSIST STEPS WITH LED PERIMETER LIGHTING

Help get the job done with available functional features.

AT4 & AT4X

Denali Ultimate shown.
2024 GMC Sierra HD AT4 MultiPro tailgate.

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WORLD’S FIRST SIX-FUNCTION MULTIPROTM TAILGATE

Helping to make light work of almost any job GMC’s powerfully innovative available MultiProTM Tailgate combines six convenient functions and also offers an available KICKER® Audio System for great sound at work or play.

VIEW DETAILS

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  

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.
Scenic view of the 2024 GMC Sierra HD AT4X AEV.
2024 GMC Sierra HD AT4X AEV stamped-steel front & rear bumpers.

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.
2024 GMC Sierra HD AT4X AEV Salta wheels.

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.
2024 GMC Sierra HD AT4X AEV stamped-steel skid plate.

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.
2024 GMC Sierra HD AT4X AEV embroidered front head restraints.

AEV EMBROIDERED FRONT HEAD RESTRAINTS

The truck is accented with exclusive AEV embroidered badging on the front head restraints.
2024 GMC Sierra HD AT4X AEV stamped-steel front & rear bumpers.

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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.
2024 GMC Sierra HD AT4X AEV stamped-steel skid plate.

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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.
2024 GMC Sierra HD AT4X AEV Salta wheels.

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.
2024 GMC Sierra HD AT4X AEV embroidered front head restraints.

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AEV EMBROIDERED FRONT HEAD RESTRAINTS

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

AT4X vs. AT4X AEV

2024 GMC Sierra HD AT4X on rough terrain.

AT4X

GROUND CLEARANCE

11.6"

APPROACH ANGLE

31.6°

BREAKOVER ANGLE

21.2°

DEPARTURE ANGLE

25.7°

Scenic view of the 2024 Sierra HD AT4X AEV.

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.
2024 GMC Sierra HD AT4 front interior.

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.
2024 GMC Sierra HD AT4 diagonal centre touch screen.

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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.
2024 Sierra HD AT4 driver information centre.

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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.
2024 GMC Sierra HD AT4 HUD.

3 of 6

AVAILABLE MULTICOLOUR 15" DIAGONAL HEAD-UP DISPLAY

The multicolour 15" diagonal Head-Up Display helps keep your most important information in clear view.

VIEW DETAILS

U.S. model shown.
2024 GMC Sierra HD AT4 infotainment system with Google Built-In.

 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.
2024 GMC Sierra HD AT4 ProGrade trailering technology.

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.

U.S. model shown.
2024 GMC Sierra HD AT4 camera views.

6 of 6

UP TO 14 AVAILABLE CAMERA VIEWS† INCLUDING ENHANCED TRANSPARENT TRAILER VIEW

In Sierra Heavy Duty, your confidence is enhanced by up to 14 available camera views†  — including the industry-first available transparent trailer view.

VIEW DETAILS

CAPABILITY

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

Available accessories shown.
2024 Sierra HD AT4 trailering off-road.

OUT THERE

Sierra HD AT4’s HDNA is ready to take on off-road challenges out there beyond the boundaries.
2024 Sierra HD AT4 trailering off-road featuring Duramax Turbo engine with Allison 10-speed transmission.

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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.
2024 GMC Sierra HD AT4 suspension lift.

2 of 6

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.
2024 GMC Sierra HD AT4 Multimatic DSSV dampers.

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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.

SLT shown.
2024 GMC Sierra HD AT4 Allison Transmission.

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EXPERIENCE V8 TOWING PROWESS

Sierra Heavy Duty’s standard 6.6L V8 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.

VIEW DETAILS

2024 Sierra HD AT4 rear E-locking differential.

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.
2024 Sierra HD AT4 GoodYear Territory MT off-road Tires.

6 of 6

AVAILABLE 35" GOODYEAR® TERRITORY MT TIRES

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

SAFETY

2024 Sierra HD AT4 active safety and driver-assistance technologies.

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
VIEW MORE SAFETY DETAILS

AT4 COLOURS
EXTERIOR
Summit White

Summit White

AS SHOWN: $XX,XXX†
BUILD & PRICE
Thunderstorm Grey

Thunderstorm Grey†

AS SHOWN: $XX,XXX†
BUILD & PRICE
Onyx Black

Onyx Black

AS SHOWN: $XX,XXX†
BUILD & PRICE
Sterling Metallic

Sterling Metallic

AS SHOWN: $XX,XXX†
BUILD & PRICE
Volcanic Red Tintcoat

Volcanic Red Tintcoat†

AS SHOWN: $XX,XXX†
BUILD & PRICE
Titanium Rush Metallic

Titanium Rush Metallic†

AS SHOWN: $XX,XXX†
BUILD & PRICE
EXTERIOR
Summit White
summit white
Thunderstorm Grey
Thunderstorm Grey
Onyx Black
Onyx Black
Sterling Metallic
Sterling Metallic Color Chip
Volcanic Red Tintcoat
Radiant Red Tint Metallic Color Chip
Titanium Rush Metallic
Titanium Rush Metallic
INTERIOR
Jet Black with Kalahari Accents
2024 GMC Sierra HD AT4 black interior.
2024 Sierra HD AT4 black interior.
INTERIOR
Jet Black with Kalahari Accents
cc-int-22-canyon-at4-jet-black-kalahari.png

Jet Black with Kalahari Accents

AS SHOWN: $XX,XXX†
BUILD & PRICE
BUILD & PRICE

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
2024 GMC Sierra HD AT4 2500 specs.

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.)
VIEW DETAILED SPECS
SIERRA 3500 HD AT4
2024 GMC Sierra HD AT4 3500 specs.

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.)
VIEW DETAILED SPECS
SIERRA 2500 HD AT4X
2024 GMC Sierra HD AT4X 2500 specs.

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.)
VIEW DETAILED SPECS

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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://www.gmccanada.ca/en/ownercenter/recalls

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