2023 GMC Sierra 1500 Sterling Metallic

AT4 & AT4X 

AT4

AVAILABLE CITY/HWY: UP TO 21/23 MPG†

• Enhanced 3.0L Duramax® Turbo-Diesel Engine or Available 6.2L V8 Gas 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
  

AT4X

CITY/HWY: UP TO 14/17 MPG†

• 420-Horsepower 6.2L V8 Gas Engine with 10-Speed Automatic Transmission
• Front and Rear E-locking Differentials — a Combination Not Offered on Any Competitor in its Class†
• 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

Preproduction model shown. Actual production model may vary.

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 early 2023.

THE POWER TO PUSH THE LIMITS

Sierra 1500 AT4 and AT4X are equipped with powertrains to take on the challenges of the untamed backcountry.

ENHANCED 3.0L DURAMAX TURBO-DIESEL

The second-generation 3.0L Duramax Turbo-Diesel engine is now enhanced thanks to several key component upgrades including new steel pistons with a revised combustion bowl, retuned turbo compressor, new fuel injectors and improved temperature control features. Standard on AT4. Not available on AT4X.

• Best-in-class† diesel horsepower of 305
  
• Best-in-class† torque of 495 lb.-ft.
• Active thermal management
• Available towing capacity: up to 8,900 lbs.†
  
• 10-speed automatic transmission

6.2L V8

Standard on AT4X. Available on AT4.

• 420 available horsepower
  
• 460 lb.-ft. of available torque
• Dynamic Fuel Management
  
• Max available trailering: up to 9,000 lbs.† (8,900 lbs. on AT4X)
  
• 10-speed automatic transmission

SIERRA 1500 AT4X: THE PEAK OF PREMIUM OFF-ROADING 

AT4 embodies the boundless spirit of off-road adventure. Sierra 1500 AT4X takes AT4 to the next level, with advanced off-road capability, a luxurious interior experience and cutting-edge tech.

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, a combination not offered on any competitor in its class†
  
• 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
  

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® Wrangler DuraTrac® mud-terrain tires
• Available accessory rocker protection
• Split signature C-shaped LED headlamp design 
• Signature vertical Red Recovery Hooks†
• Protected dual-outlet exhaust

FEATURED EDITION

Master the untamed backcountry with the First Ever Sierra 1500 AT4X AEV Edition. Equipped by off-road recreational driving and overland adventure travel customizers American Expedition Vehicles (AEV), this off-road pickup is engineered for the roughest terrain. Features include:

• AEV Stamped-Steel Front and Rear Bumpers with Front Winch Capability
  
• AEV Hot-Stamped Boron Steel Skid Plate
• Exclusive AEV Badging
• AEV Racing-Inspired Salta Wheels with 12-Spoke Design and Recessed Valve Stems

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 best-in-class† 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 1500 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 1500 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 1500 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
• Enhanced 3.0L Duramax Turbo-Diesel engine
• Available 6.2L V8 gas engine
  

REFINED FOR ROUGH COUNTRY

Explore the rough and rutted trails in style and comfort in Sierra 1500 AT4’s premium interior. AT4 interior features include:

• Jet Black with Kalahari interior and embroidered AT4 accents
• Premium front and rear floor liners with removable carpet inserts
• Available 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†

ONSTAR® & GMC CONNECTED SERVICES

Receive three years of the OnStar Safety & Security Plan† in addition to the Connected Vehicle Plan† that comes standard with your new 2023 Sierra 1500 AT4 and AT4X.

• Connected Vehicle Plan includes connectivity for available In-Vehicle Apps†,  Remote Access Plan† and In-Vehicle Wi-Fi Hotspot† data.
  
• OnStar Safety & Security Plan includes access to the OnStar Guardian App†, Automatic Crash Response†, Emergency Services†, Crisis Assist†, Roadside Assistance† and Stolen Vehicle Assistance†.  

SPEC HIGHLIGHTS

SIERRA 1500 AT4 & NEW AT4X

SIERRA 1500 AT4

The Sierra 1500 AT4 Crew Cab is offered in 4WD configurations and can be equipped with a short or standard bed.  

SIERRA 1500 AT4X

The Sierra 1500 AT4X Crew Cab is offered in a 4WD configuration and is equipped with a short bed.

AT4 COLORS

EXTERIOR

Summit White

Summit White

Sterling Metallic

Sterling Metallic†

Onyx Black

Onyx Black†

Titanium Rush Metallic

Titanium Rush Metallic†

Dynamic Blue Metallic

Dynamic Blue Metallic†

Desert Sand Metallic

Desert Sand Metallic†

Volcanic Red Tintcoat

Volcanic Red Tintcoat†

Deep Bronze Metallic

Deep Bronze Metallic†

INTERIOR

Jet Black with Kalahari Accents

Jet Black with Kalahari Accents

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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