Vehicle shown with GMC accessories, please check with your local dealer for details. 

Due to global Semi-Conductor supply shortages, GM vehicles may not have some standard features and options. Please check with your local GMC dealer to confirm the vehicle’s specifications prior to purchase. Vehicles not equipped with Automatic Stop/Start will be less fuel efficient. 

VEHICLE HIGHLIGHTS

AT4

STARTING PRICE OMR 19,530§

Key Features:

  • Standard 5.3L V8 and Available 6.2L Engine V8 engine with 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
  • 2" Factory Lift with Off-road Suspension and Rancho Monotube Shocks
  • Unique Jet-Black Interior with Kalahari Accents and Heated and Ventilated Perforated Front Leather Seating Surfaces§
  • Available CarbonProTM Composite Bed
  • 2-Speed AutoTrac Transfer Case, Automatic Locking Rear Differential and Underbody Skid Plates
  • Six-Function MultiProTM Tailgate

NEW AT4X

STARTING PRICE OMR 27,010§

Key Features:

  • 420-Horsepower 6.2L V8 Engine with 10-Speed Automatic Transmission
  • Front and Rear E-locking Differentials
  • 2" Factory Lift with Off-Road Suspension and Multimatic DSSV Spool-Valve Dampers 
  • Heated and Ventilated 16-Way Power Front Seats with Massage§
  • Unique Steel Transfer Case Skid Plate and Available Accessory Rocker Protection
  • 12-Speaker Bose§ Premium Series with Centerpoint Surround Sound
  • Available AEV Edition

Vehicle shown with GMC accessories, please check with your local dealer for details. 

THE NEXT CHAPTER OF NEXT-LEVEL OFF-ROADING 

Check out the First Ever Sierra AT4X AEV Edition and the New 2023 Sierra AT4X it inspired. Available in the first half of 2023. 

THE POWER TO PUSH THE LIMITS

6.2L V8

  • 420 available horsepower 
  • 624 Nm. of available torque
  • Dynamic Fuel Management
  • 10-speed automatic transmission
  • Max available trailering: up to 3,946 Kg§

SIERRA LD AT4X: THE PEAK OF PREMIUM OFF-ROADING

AT4 embodies the boundless spirit of off-road adventure. Sierra LD AT4X takes AT4 to the next level, with advanced off-road capability, a luxurious interior experience and cutting-edge tech.

Available accessory winch shown.

EQUIPPED FOR ADVENTURE§

AT4X takes off-road capability to the next level with serious adventure-ready equipment to tackle the challenges of the trail. AT4X's capability features include:
  • Multimatic DSSV spool-valve dampers featuring three separate spool valves to control damping and three connected chambers for fluid flow
  • Uniquely tuned springs to increase maximum front and rear suspension travel
  • Specific off-road chassis and tuning
  • Front and rear e-locking differentials, which assure both wheels will spin together regardless of the amount of resistance to help keep traction in the rough backcountry
  • Terrain Mode, ideal for low-speed, off-road conditions, providing extreme control and is precision-enabled for one-pedal§ rock crawling, using only the accelerator

Available accessory winch shown.

THE LOOK OF DETERMINATION

Athletic and aggressive, AT4X is as ruggedly good-looking as it is ready for adventure. AT4X’s exterior features include:
  • Distinctive front fascia and grille with dark nickel finish and AT4X badging
  • 18" black-gloss wheels with Goodyear® mud-terrain tires
  • Available accessory rocker protection
  • Split signature C-shaped LED headlamp design  
  • Protected dual-outlet exhaust

CAPABILITY WITHOUT COMPROMISE

AT4X features a luxurious, athletic and purposeful interior that is designed to let you explore beyond the boundaries in ultra-premium style. Featuring heated and ventilated 16-way power front seats with massage feature§ helps AT4X make for a first-class experience no matter where the action takes you.

EXPLORE IN THE SUPREMELY APPOINTED SIERRA LD AT4X: 

  • Obsidian Rush interior
  • Full-grain leather seating
  • Premium leather-trimmed instrument panel and door panels
  • Black-finished authentic Vanta Ash wood accents
  • Premium microsuede sun visors and headliner
  • Technical-grain leather accents
  • Red double-needle stitching and ceramic white accents
  • Etched stainless-steel speaker grilles
  • 12-Speaker Bose§ Premium Series with Centerpoint® Surround Sound

AT4: PIONEER OF PREMIUM OFF-ROAD

Sierra LD AT4 offers powerful capability engineered to take you to the places your boundless sense of adventure can imagine. Ruggedly styled and equipped with tech-savvy and intuitive advanced features, Sierra LD AT4 is adventure-ready and engineered for action.

TAKE ON THE UNTAMED BACKCOUNTRY

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

  • Factory-installed 2" suspension lift
  • 2-speed AutoTrac transfer case, automatic locking rear differential and skid plates
  • Off-road-tuned Rancho® monotube shock absorbers
  • Red vertical Recovery Hooks§
  • Off-road mud terrain-rated Goodyear® Wrangler tires
  • Available 6.2L V8 engine

REFINED FOR ROUGH COUNTRY

Explore the rough and rutted trails in style and comfort in Sierra LD AT4’s premium interior. AT4 interior features include:

  • Jet Black with Kalahari interior and embroidered AT4 accents
  • Wireless charging pad§
  • Heated and ventilated front perforated-leather seating surfaces§
  • Heated leather-wrapped steering wheel
  • Rear seatback and under-seat storage
  • Bose Premium Sound System with Richbass woofer
  • Wireless Android AutoTM § and Wireless Apple CarPlay® compatibility §

AN ONSTAR ADVISOR§ READY TO HELP 24/7

When the unexpected happens, OnStar§ can send the right help even when you can’t ask for it. A trained OnStar Advisor is only a button push away and your GMC can automatically alert us if you’re in a crash. Visit onstararabia.com to know more.

SPEC HIGHLIGHTS SIERRA LD AT4 & NEW AT4X

SIERRA LD AT4

The Sierra LD AT4 Crew Cab is offered in a 4WD configuration and is equipped with a short bed. 

MAX AVAILABLE HORSEPOWER

420§

CARGO BED VOLUME

1,781 Liters§

PASSENGER CAPACITY

Up to 5

FRONT HEAD ROOM

109 cm

MAX AVAILABLE TORQUE

624 Nm

GROUND CLEARANCE 

28.2 cm

NEW SIERRA LD AT4X

The Sierra LD AT4X Crew Cab is offered in a 4WD configuration and is equipped with a short bed.

MAX AVAILABLE HORSEPOWER

420§

CARGO BED VOLUME

1,781 Liters§

PASSENGER CAPACITY

Up to 5

FRONT HEAD ROOM

109 cm

MAX AVAILABLE TORQUE

624 Nm.§

FRONT LEG ROOM

28.2 cm

AT4 COLORS

EXTERIOR
STERLING METALLIC (Available at extra charge)

STERLING METALLIC (Available at extra charge)

SUMMIT WHITE

SUMMIT WHITE

ONYX BLACK (Available at extra charge)

ONYX BLACK (Available at extra charge)

TITANIUM RUSH METALLIC (Available at extra charge)

TITANIUM RUSH METALLIC (Available at extra charge)  

DYNAMIC BLUE METALLIC (Available at extra charge)

DYNAMIC BLUE METALLIC (Available at extra charge)  

DESERT SAND METALLIC (Available at extra charge)

DESERT SAND METALLIC (Available at extra charge)  

VOLCANIC RED TINTCOAT (Available at extra charge)

VOLCANIC RED TINTCOAT (Available at extra charge)  

DEEP BRONZE METALLIC (Available at extra charge)

DEEP BRONZE METALLIC (Available at extra charge)  

INTERIOR
Jet Black with Kalahari Accents

Jet Black with Kalahari Accents

AT4X COLORS 

EXTERIOR
STERLING METALLIC (Available at extra charge)

STERLING METALLIC (Available at extra charge)  

SUMMIT WHITE

SUMMIT WHITE

ONYX BLACK (Available at extra charge)

ONYX BLACK (Available at extra charge)  

TITANIUM RUSH METALLIC (Available at extra charge)

TITANIUM RUSH METALLIC (Available at extra charge)  

DYNAMIC BLUE METALLIC (Available at extra charge)

DYNAMIC BLUE METALLIC (Available at extra charge)  

DESERT SAND METALLIC (Available at extra charge)

DESERT SAND METALLIC (Available at extra charge)  

VOLCANIC RED TINTCOAT (Available at extra charge)

VOLCANIC RED TINTCOAT (Available at extra charge)  

DEEP BRONZE METALLIC (Available at extra charge)

DEEP BRONZE METALLIC (Available at extra charge)  

INTERIOR
Obsidian Rush with Full Grain Leather Seat

Obsidian Rush with Full Grain Leather Seat 

GALLERY

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.

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