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.
SIERRA HD TRIMS

PRO
STARTING AT JOD 37,700§
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 JOD 41,800§
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 JOD 49,800§
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 JOD 59,100§
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
PULL YOUR WORLD WITH TURBOCHARGED POWER
Sierra Heavy Duty’s world-class towing capability is enhanced for 2024 with an available all-new, more efficient turbocharger.

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
FEATURE HIGHLIGHTS
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.
YOUR SCREENS YOUR WAY
Sierra Heavy Duty’s available massive customizable screens let you organize your information and media the way you want.
Preproduction model shown throughout with optional features. Actual production model may vary.

DENALI SETS THE STANDARD
Sierra HD Denali’s advanced tech and premium signature Denali styling are first-class all the way.
FIRST-CLASS INTERIOR FEATURES:
- Spacious Interior Features Crew Cab Front Head and Leg Room
- Perforated Forge Leather Seating Surfaces with Contrasting Stitch Pattern
- Aluminum Trim and Chrome Accents
- Premium Instrument Panel and Door Trim with Authentic Open-Pore Walnut Wood Detailing
- Embroidered Denali Logo on Front Seatbacks
- Etched Stainless-Steel Speaker Grille Details
DENALI SIGNATURE STYLING:
- Bold, New Front Bumper, Fascia, and Redesigned Denali Chrome Grille
- Available Power-Retractable Assist Steps with LED Perimeter Lighting and Bright Accents
- Chrome Vertical Front Recovery Hooks§
- New LED Projector Headlamps and Signature Lighting with Animated Sequences
- Spray-On Bedliner with Denali Logo
MADE TO PULL
PRO, SLE & SLT CAPABILITY
Sierra HD Pro, Sierra HD SLE and Sierra HD SLT have what it takes to tow with power and confidence.
PRO FEATURES:
- Available Gooseneck/Fifth-Wheel Prep Pack
SLE FEATURES:
- Integrated Trailer Brake Controller
- Traction Select System with Tow/Haul Mode
SLT FEATURES:
- ProGradeTM Trailering System
- In-Vehicle Trailering App§
ALL STANDARD FEATURES
- Allison® 10-Speed Automatic Transmission
- 6.6L V8 Engine
- Trailering Package and Trailering Mirrors§
- Heavy-Duty Air Filter with Filtration Monitoring
- Trailering Information Label
- Rear Vision Camera§ and Hitch Guidance§
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.