2023 Sierra 1500 AT4 & AT4X

THE POWER TO PUSH THE LIMITS

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

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

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

FEATURED EDITION

SIERRA AEV EDITION

Master the untamed backcountry with the First Ever Sierra 1500 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
• Five AEV Hot-Stamped Boron Steel Skid Plates
• Exclusive AEV Badging on Bumpers, Embroidered Head Rests and All-Weather Floor Liners
• AEV Racing-Inspired Salta Wheels with 12-Spoke Design and Recessed Valve Stems
• Off-Road Rocker Panel Protectors to help Shield the Sills and Frame Rails, and an Optional Bolt-On Step Assist when not Off-Roading

NEW SIERRA 1500 AT4X: THE PEAK OF PREMIUM OFF-ROADING

AT4 embodies the boundless spirit of off-road adventure. The AEV-inspired 2023 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:

• AEV stamped-steel front bumper with front winch capability
• AEV hot-stamped boron steel front approach skid plate
• 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:

• Redesigned front fascia and grille with gloss-black upper and dark nickel inserts
• New 33" Goodyear® Wrangler Territory mud-terrain tires
• Available accessory rocker protection
• Split signature c-shaped LED headlamp design
• Protected dual-outlet exhaust
• 18" 12-spoke high gloss-black aluminum wheels with laser etching and AEV center cap

PURPOSEFUL INTERIOR WITH ATHLETIC APPEAL

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 THE LUXURIOUS COMFORT OF AT4X:

• Refined Obsidian Rush Interior with full-grain leather seats with red and white double-needle stitching, technical-grained leather accents
• Premium leather-trimmed instrument panel and door panels accented with black-finished Authentic Vanta ash wood trim
• Premium microsuede headliner, sun visors and pillars
• 12-Speaker Bose Premium Series with Centerpoint® Surround Sound
• 16-way power front seats with massage feature

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 Auto™ 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

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

• MAX AVAILABLE HORSEPOWER
  420
• CARGO BED VOLUME
  62.9 to 71.7 cu. ft.
• PASSENGER CAPACITY
  Up to 5
• FRONT HEAD ROOM
  43.0 in.
• MAX AVAILABLE TORQUE
  495 lb.-ft.
• GROUND CLEARANCE
  11" – 11.1"

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

• MAX AVAILABLE HORSEPOWER
  420
• FRONT HEAD ROOM
  43.0 in.
• PASSENGER CAPACITY
  Up to 5
• GROUND CLEARANCE
  11.1"
• MAX AVAILABLE TORQUE
  460 lb.-ft.
• MAX FRONT APPROACH ANGLE
  32.5 degrees
• CARGO BED VOLUME
  62.9 cu. ft.
• MAX REAR DEPARTURE ANGLE
  23.4 degrees