INTRODUCING THE FIRST EVER
2024 GMC SIERRA HD AT4X & AT4X AEV EDITION
AVAILABLE SPRING 2023
Preproduction models shown throughout. Actual production models may vary. Arriving fall 2023. Available accessories shown throughout on AT4X AEV Edition. 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.
KEY FEATURES
OFF-ROAD CAPABILITY WITHOUT COMPROMISE
Serious adventure-ready hardware meets premium on-road comfort and world-class towing power.
CAPABILITY FEATURES INCLUDE:
AVAILABLE MAX TOWING OF
18,500 LBS†
FACTORY-INSTALLED
1.5" SUSPENSION LIFT
MULTIMATIC DSSV DAMPERS
REAR E-LOCKING DIFFERENTIAL
35" GOODYEAR TERRITORY MT TIRES
HEAVY-DUTY TURBOCHARGED POWER
Sierra HD AT4X delivers world-class towing capability with an available efficient turbocharger—new to Sierra Heavy Duty.
AVAILABLE 6.6L DURAMAX TURBO DIESEL WITH 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 Sierra Heavy Duty Model Year
OFFERS THE MOST TRAILERING-ASSISTANCE TECHNOLOGIES IN ITS CLASS†
An advanced suite of available intelligent technologies helps streamline the hitching and towing process with integrated tools that help enhance your sense of confidence and visibility.
EXPLORE IN EXCLUSIVE AT4X STYLE
Sierra HD AT4X’s exclusive Obsidian Rush interior is designed to let you tackle tough terrain in comfort and style.
INTERIOR FEATURES INCLUDE:
FULL-GRAIN LEATHER SEATING
TECHNICAL-GRAIN LEATHER ACCENTS
RED AND WHITE DOUBLE-NEEDLE STITCHING
AUTHENTIC VANTA ASH WOOD
16-WAY POWER FRONT SEATS WITH MASSAGE FEATURE
12-SPEAKER BOSE® PREMIUM SERIES WITH CENTERPOINT® SURROUND SOUND
PREMIUM MICROSUEDE HEADLINER, PILLARS AND SUNSHADE VISORS
FIRST EVER SIERRA HD AT4X AEV EDITION
Tame the untamed in the First Ever Sierra Heavy Duty 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.
AEV STAMPED-STEEL FRONT & REAR BUMPERS
AEV heavy-duty, stamped-steel, powder-coated front and rear bumpers offer accessory winch capability in the front and added protection while summiting boulders, logs and rough terrain.
Available accessory winch shown.
The AEV front bumper features heavy-duty cast integrated recovery points and available accessory winch capability while providing incredible durability and corrosion resistance.
AEV STAMPED STEEL SKID PLATES
Available accessory winch shown.
Rugged underbody protection with stamped steel skid plates helps keep vital components such as the steering gear and transfer case protected from ruts, rocks, stumps and other adversities of the trail.
EXCLUSIVE AEV EDITION DESIGN ELEMENTS
AT4X AEV Edition’s heroic style stands out with the exclusive details befitting a true overland custom build.
NEW DETAILS INCLUDE:
AEV BADGING ON THE EXTERIOR AND INTERIOR
AEV RACING-INSPIRED 18" SALTA WHEELS WITH 16-SPOKE DESIGN
BLACK ACCENTS ON THE DOOR HANDLES AND TAILGATE
AEV EMBROIDERED FRONT HEAD RESTRAINTS
ALL-WEATHER FLOOR LINERS
SPEC HIGHLIGHTS
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°
GALLERY
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EXPLORE OTHER 2024 SIERRA HD TRIMS
Sierra Heavy Duty is technologically advanced with premium comfort and the power you need to pull your world.