2025 GMC SIERRA 1500

AT4 & AT4X

AT4 AS CONFIGURED:
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AT4X AEV EDITION AS CONFIGURED:
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Front View of the GMC Sierra AT4 and the AT4X Next to Each Other with Mountains in the Distance

Vehicles shown throughout with an accessory(ies) from an independent supplier, which are not warranted by GM or its dealers. GM is not responsible for the safety or quality of independent supplier accessories. Any warranty is provided by the accessory manufacturer. 

AT4 STARTING AT:

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 AVAILABLE TOW UP TO

4,082 KG (9,000 LBS)†
BUILD & PRICE
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KEY FEATURES

EXCLUSIVE ON AT4X

FRONT AND REAR ELECTRONIC LOCKING DIFFERENTIALS

FACTORY-INSTALLED

2" SUSPENSION LIFT

ON AT4X

MULTIMATIC® DSSV DAMPERS

13.4" DIAGONAL PREMIUM

GMC INFOTAINMENT SYSTEM† WITH GOOGLE BUILT-IN† COMPATIBILITY

(subscription[s] required for full functionality)

12.3" DIAGONAL DIGITAL

MULTICOLOUR DRIVER INFORMATION CENTRE

EXPLORE SIERRA 1500 AT4 & AT4X OFF-ROAD TRUCK TRIMS

DOWNLOAD SIERRA FEATURES & OPTIONS GUIDE
2024 Sierra 1500 AT4 in Summit White.

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AT4

STARTING AT:

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AVAILABLE TOW UP TO

9,000 LBS.*

KEY FEATURES

  • Duramax® 3.0L Turbo-Diesel engine with 10-speed automatic transmission 
  • 2" factory lift with off-road suspension and Rancho® monotube shocks
  • Two-speed Autotrac® transfer case and underbody skid plates
  • Unique Jet Black interior with Kalahari accents and heated and ventilated perforated leather front seating surfaces

AVAILABLE FEATURES

  • 15" diagonal multicolour Head-Up Display
  • 6.2L EcoTec3 V8 engine with 10-speed automatic transmission
BUILD & PRICE VIEW INVENTORY
2024 Sierra 1500 AT4X in Volcanic Red.

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AT4X

STARTING AT

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AVAILABLE TOW UP TO

8,800 LBS.*

KEY FEATURES

  • Front and rear electronic locking differentials
  • Multimatic DSSV dampers 
  • AEV stamped steel front bumper with front winch capability and stamped boron steel front approach AEV skid plate 
  • 16-way power heated and ventilated front seats with massage feature

AVAILABLE FEATURES

  • AEV Edition 
  • 6.2L EcoTec3 V8 engine with 10-speed automatic transmission
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FEATURED EDITION

The Sierra 1500 AT4X AEV is built to help you master untamed backcountry. Equipped by off-road recreational driving and overland adventure travel experts American Expedition Vehicles (AEV®), it features:
Front Three-Quarter View of the GMC Sierra 1500 AT4 Off-Road Truck Parked on Rocky Terrain
  • AEV stamped steel front and rear bumpers with front winch capability​
  • Five hot-stamped boron steel AEV skid plates​
  • Exclusive AEV badging on bumpers, embroidered head restraints 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​ 
BUILD & PRICE VIEW INVENTORY

CAPABILITY

The new peak of premium off-roading.
GMC Sierra 1500 AT4 Off-Road Truck Shown Driving Off-Road
Duramax 3.0L Turbo-Diesel Engine

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DURAMAX 3.0L TURBO-DIESEL

Power through even the toughest terrain with efficiency, thanks to the standard Duramax 3.0L Turbo-Diesel engine.

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6.2L V8 ENGINE

This available engine has the serious power you need for big jobs or big fun.

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White GMC Sierra 1500 AT4 Shown Driving Off-Road

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AT4 OFF-ROAD SUSPENSION

The GMC Sierra 1500 AT4 full-size truck offers powerful capability engineered to take on off-road obstacles and the tough backcountry.

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Red GMC Sierra 1500 Pickup Truck Driving Off-Road Through the Forest

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AT4X OFF-ROAD SUSPENSION

AT4X takes off-road capability to the next level with serious suspension equipment that’s engineered for adventure.

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Red GMC Sierra 1500 Pickup Truck Driving Over Rocky Terrain

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FACTORY-INSTALLED 2" LIFT

AT4 and AT4X full-size trucks feature a 2" suspension lift to help provide serious clearance for your off-road adventures.

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Close-up View of the Hill Descent Controls in the GMC Sierra 1500

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HILL DESCENT CONTROL

Both Sierra AT4 and AT4X off-road trucks come with Hill Descent Control, an antilock braking feature engineered to help provide a smooth, controlled descent on steep declines.

EXTERIOR

Explore beyond the boundaries.
Rear View of the 2025 GMC Sierra AT4 Parked on an Off-Road Trail Over Looking the Mountains
The GMC Sierra AT4 Off-Road Truck Driving Over Rough Terrain

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AEV OUTFITTING

The AEV stamped steel front bumper with front winch capability and stamped boron steel front approach AEV skid plate on AT4X offer versatility and protection for off-roading.
Close-up View of the Sierra AT4 Off-Road Truck's Wheels and Rims

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EXCLUSIVE AT4X WHEELS

Rugged 33" Goodyear® Wrangler Territory mud terrain tires and 18" painted aluminum wheels with dark painted pockets.

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Close-up View of the Sierra AT4 Wheels and Rims Kicking up Dust on a Dirt Road

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33" MT TIRES

Available off-road MT tires help you confidently conquer the backcountry in your AT4 — even in harsh conditions.
Close-up View of the GMC Sierra AT4 Grille

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AT4 FRONT BUMPER AND GRILLE

Grille with high-gloss black header, insert bars with gloss-black accents and red recovery hooks.†

Denali Ultimate shown
Spray On Bedliner of the GMC Sierra 1500 AT4 & AT4X

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SPRAY-ON BEDLINER

High-strength steel cargo bed featuring spray-on bedliner with GMC logo.

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MULTIPRO™ TAILGATE

Make light work of almost any job with the world’s first available six-function GMC MultiPro Tailgate.

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MULTIPRO TAILGATE

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INTERIOR

An uncompromisingly premium interior.
2025 GMC Sierra AT4 Front Row Interior View
2025 GMC Sierra AT4 Off-Road Truck Interior Driver's Side View of the Steering Wheel and Dashboard

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AT4X INTERIOR

AT4X features a luxurious, athletic and purposeful interior designed to let you explore beyond the boundaries in ultra-premium style and comfort.

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2025 GMC Sierra AT4 Off-Road Truck Interior Steering Wheel and Dashboard

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AT4 INTERIOR

Heated and ventilated front driver and passenger perforated-leather seating surfaces in Jet Black with Kalahari interior and AT4 accents.

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2025 GMC Sierra Denali Premium Infotainment System

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PREMIUM GMC INFOTAINMENT SYSTEM†

A reconfigurable 13.4" diagonal colour touchscreen provides a seamless way to access, manage and customize your favorite in-vehicle entertainment.

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GMC Sierra Denali 12.3 Inch Diagonal Driver Infotainment Center

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12.3" DIAGONAL DRIVER INFORMATION CENTRE

Reconfigure your display by choosing from Classic, Progressive, Digital or Clean configurations.
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PREMIUM REAR-SEAT COMFORT

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TECHNOLOGY

A smart driving experience for all your adventures.
2025 GMC Sierra AT4 Off-Road Truck Interior Steering Wheel and Dashboard
Close-up of a Driver Pressing a Feature Button on the Infotainment System

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IN-VEHICLE TRAILERING APP†

This integrated app in your Premium GMC Infotainment System† offers custom trailer profiles, trailer statuses and more.

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Close-up of a Man Using his MyGMC Mobile App

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MYGMC MOBILE APP† FOR TRAILERING

Create and manage trailer profiles and even share with other compatible Sierra owners using the available myGMC mobile app.†

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Close-up of the Infotainment System Displaying one of the Fourteen Camera Views on the 2025 GMC Sierra 1500

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UP TO 14 CAMERA VIEWS

Navigate tight parking lots and maneuver your pickup truck and trailer with confidence, using up to 14 available camera views.†

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Heads-Up Display Shown in the 2025 GMC Sierra 1500 Display Screen

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HEAD-UP DISPLAY

The 15" diagonal multicolour Head-Up Display helps you keep your eyes on the road by projecting key information directly onto the windshield. Standard on AT4X. Available on AT4. 

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Close-up of the GMC Sierra 1500 Steering Wheel

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ADAPTIVE CRUISE CONTROL†

If a vehicle is detected in your path while using cruise control, this standard feature on AT4 and AT4X can help you maintain a selected following gap between your truck and the vehicle ahead. 

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Close-up of the GMC Sierra 1500 Wireless Charging Capabilities

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WIRELESS CAPABILITY

Run the show from behind the wheel by connecting your compatible smartphone to your in-vehicle touchscreen via phone projection.

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Friends Standing Next to a GMC Sierra 1500 Pickup Truck

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ONSTAR® BASICS†

Drive more confidently with up to 8 years of core OnStar services including select mobile app commands,† connectivity supporting for select apps that provide in-vehicle voice assistance, real-time traffic and navigation apps with real-time traffic, and Automatic Crash Response.†

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SAFETY

Go forth with added confidence.

Rocker protector shown is limited or not available on all models.
GMC Sierra AT4 Parked Off-Road as a Man Unloads his Bike From the Truck Bed
Front View of the Sierra AT4 Driving Down an Off-Road Trail

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GMC PRO SAFETY

A suite of collision-avoidance and driver-assistance technologies that help enhance your awareness.

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Rocker protector shown is limited or not available on all models
Birds-eye View Displaying the Front and Rear Park Assist Feature

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FRONT & REAR PARK ASSIST

The Front and Rear Park Assist† feature helps you park with added confidence and enhanced visibility.

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Close-up of an Infotainment System with the Surround View Standard Feature Displayed on the Screen

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HIGH DEFINITION SURROUND VISION

Navigate trails and parking lots with ease, using multiple camera views that display a digital overhead image of the area around your AT4 or AT4X off-road truck.†

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Safety or driver assistance features are no substitute for the driver’s responsibility to operate the vehicle in a safe manner. Read the vehicle Owner’s Manual for important feature limitations and information.

SPEC HIGHLIGHTS
SIERRA 1500 AT4 
Side Profile View of the GMC Sierra 1500 AT4 Off-Road Truck

The 2025 Sierra 1500 AT4 Crew Cab is offered in a 4WD configuration and can be equipped with a short or standard bed.     

MAX AVAILABLE HORSEPOWER

420 hp†

PASSENGER CAPACITY

Up to 5

STANDARD TORQUE

495 lb.-ft.†

FRONT HEADROOM

1,093 mm
(43.0")

GROUND CLEARANCE

282 mm
(11.1 in.)

CARGO BED VOLUME

SHORT BOX: 1,781 L (62.9 cu. ft.)†

STANDARD BOX: 2,030 L (71.7 cu. ft.)†
VIEW DETAILED SPECS
SIERRA 1500 AT4X
Side Profile View of the GMC Sierra 1500 AT4X Off-Road Truck

The 2025 Sierra 1500 AT4X Crew Cab is offered in a 4WD configuration and is equipped with a short bed.

MAX AVAILABLE HORSEPOWER

420 hp†

PASSENGER CAPACITY

Up to 5

STANDARD TORQUE

495 lb.-ft.†

CARGO BED VOLUME

1,781 L
(62.9 cu. ft.)†

FRONT HEADROOM

1,093 mm
(43.0")

GROUND CLEARANCE

292 mm (11.5 in.)

MAX FRONT APPROACH ANGLE

34.0 degrees

MAX REAR DEPARTURE ANGLE

24.4 degrees
VIEW DETAILED SPECS

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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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