Preproduction model shown throughout with optional features. Actual production model may vary.

NEW 2024
SIERRA HEAVY DUTY
2500 & 3500 HEAVY DUTY PICKUP TRUCKS
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.
EXPLORE SIERRA HEAVY DUTY TRIMS

PRO
STARTING AT
KEY FEATURES:
- Standard 6.6L V8 Engine with Allison® 10-Speed Automatic Transmission
- Standard LED Headlamps and Daytime Running Lamps
- Standard Trailering Package and Trailering Mirrors§
- Heavy-Duty Cargo Bed Volume
- Standard Wireless Apple CarPlay®§ and Wireless Android AutoTM§ Compatibility
- Available MultiProTM Tailgate

SLE
STARTING AT
KEY FEATURES:
- Standard 6.6L V8 Engine with Allison® 10-Speed Automatic Transmission
- Standard 13.4" Diagonal Center Touch-Screen and 12.3" Diagonal Driver Information Center
- Standard Wireless Apple CarPlay®§ and Wireless Android AutoTM§ Compatibility
- Standard MultiProTM Tailgate
- Animated Lighting for The Headlamps, Taillamps, and Turn Signals

SLT
STARTING AT
KEY FEATURES:
- Standard 6.6L V8 engine with Allison® 10-Speed Automatic Transmission
- 13.4" Diagonal Center Touch-Screen and 12.3" Diagonal Driver Information Center
- Offers the Most Trailering-Assistance Technologies including an In-Vehicle Trailering App§
- Available 10-Way Power-Adjustable Front Heated and Ventilated Bucket Seats with Perforated Leather Appointments

DENALI
STARTING AT
KEY FEATURES:
- Standard 6.6L V8 Engine with Allison® 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
- Denali-Exclusive Authentic Open-Pore Wood, Patterned Aluminum Trim and Forge Perforated Leather Seating Surfaces
THE POWER TO PULL YOUR WORLD
Sierra Heavy Duty is the real deal—with the strength and pulling power to haul heavy loads and the most available trailering-assistance technologies

6.6L V8 10-SPEED AUTOMATIC TRANSMISSION OFFERS:
- 629 Nm of Torque and 401 hp
- Up to 25% Increase in Low-End Torque Over the Previous Model Year
- Increased Power and Torque Over the Entire Operating Speed Range
- Enhanced Exhaust Brake Performance for Improved Control When Towing
- Improved Engine Braking with a More Powerful Turbo Vane Actuator and Uprated Valve Springs
SIERRA HEAVY-DUTY ADVANCED TRAILERING§
The New 2024 Sierra Heavy Duty offers the most trailering-assistance technologies, and this available advanced tech allows you to trailer with enhanced confidence and improved views.
PREMIUM INTERIORS
Sierra Heavy Duty’s interiors are rugged and refined with premium materials to make every trip first-class

AVAILABLE 16-WAY POWER FRONT SEATS WITH MASSAGING FEATURE
Experience serious comfort everywhere you go in Sierra Heavy Duty’s luxurious seating.

AVAILABLE 10-WAY POWER-ADJUSTABLE FRONT HEATED AND VENTILATED BUCKET SEATS§
Sierra Heavy Duty offers premium front seats with perforated leather appointments.
ADVANCED TECHNOLOGY
Sierra Heavy Duty’s available massive customizable screens and advanced tech help keep you informed and in command.
Preproduction model shown throughout with optional features. Actual production model may vary.


CONNECTED TO ELEVATE YOUR SIERRA’S OWNERSHIP
OnStar Connected Services§ supports features that simplify ownership and keep you in tune with your new GMC. Use Remote Commands through your myGMC App§. And Get 10 years of standard connectivity for free with access to services. Plus, get features that help you locate your vehicle or check its status through your App.
MYGMC APP
VEHICLE
STATUS
ON-DEMAND
DIAGNOSTICS
Requires equipped vehicle, active OnStar plan, and Wi-Fi data plan with carrier. OnStar plans and Wi-Fi data plans not available in all countries. See onstararabia.com for equipped vehicles, service availability and system limitations.
Some elements of Smartphone App may not be available for all models and/or trim levels. Check onstararabia.com for service limitations and charges
SAFETY

SIERRA HD PRO SAFETY§
- Every Sierra Heavy Duty includes active safety and driver-assistance technologies that help while driving and trailering. Sierra HD Pro Safety includes:
- Forward Collision Alert
- Following Distance Indicator
- Front Pedestrian Braking
- IntelliBeam
- Lane Departure Warning
- Buckle to Drive
- Automatic Emergency Braking
POWERFULY BOLD EXTERIOR
Sierra Heavy Duty’s impressive exterior stands out proudly everywhere you go.

NEW LED PROJECTOR HEADLAMPS AND SIGNATURE LIGHTING
New LED projector headlamps with striking animated sequences helps enhance Sierra Heavy Duty’s bold exterior design.

NEW FRONT BUMPER, FASCIA AND AVAILABLE REDESIGNED DENALI CHROME GRILLE
Stand out everywhere you go with Sierra HD Denali’s bold new front end.

AVAILABLE SIX-FUNCTION MULTIPRO TAILGATE
The powerfully innovative available MultiPro™ Tailgate combines six convenient functions that help improve loading, unloading and accessing the cargo bed to make light work of almost any job.
VIEW DETAILS
SPECS
GALLERY





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.