The 2024 Vs. 2023 Sierra 2500 Heavy Duty


What’s the Difference Between the Sierra 2500 HD?
Let’s Compare:
Feature | 2023 Sierra 2500 HD | 2024 Sierra 2500 HD |
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Engine Options: | Available 6.6L Duramax Turbo Diesel V8 Engine | Available Enhanced 6.6L Duramax Turbo Diesel V8 Engine |
Horsepower: | Up To 445 Horsepower | Up To 470 Horsepower |
Towing Capabilities: | Max Towing of 18,500 lbs. | Max Towing of 36,000 lbs. |
Torque: | Up To 910 lb-ft of Torque | Up To 970 lb-ft of Torque |
Transmission: | 6 & 10 Speed Automatic Transmission | Allison® 10 Speed Automatic Transmission |
Exterior Design: | PRO, SLE, SLT, AT4, Denali Trims | PRO, SLE, SLT, AT4, Denali, and the First Ever Sierra HD Denali Ultimate Trim |
Interior Features: | Denali-Exclusive Authentic Open-Pore Wood, Patterned Aluminum Trim and Forge Perforated Leather Seating Surfaces | Denali Ultimate Alpine Umber Interior Featuring Full-Grain Leather Seating and Authentic Open-Pore Paldao Wood and 16-Way Power Front Seats With Massage Feature |
The 2024 Sierra 2500 HD: Power and Efficiency Perfected
The 6.6L V8 diesel engine of the Sierra 2500 Heavy Duty, which comes standard on most models, has been coupled with the Allison 10-speed automatic transmission. This pairing enables the engine to operate closer to its peak power range, resulting in optimized power, torque, and efficiency.
Advanced Trailering for Confident Towing
The 2024 Sierra Heavy Duty is equipped with the most comprehensive trailering-assistance technologies in its class. This advanced tech is designed to provide you with improved views and enhanced confidence when towing. With an array of intelligent tools integrated into the system, the hitching and towing process is streamlined, and your sense of safety, visibility, and confidence is significantly boosted.
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Find Out More About The 2024 Sierra 2500 HD Pickup Truck Trims and Features:
2024 Sierra 2500 HD Pro
Starting At: $44,00
- Standard 6.6L V8 Gas Engine With Allison® 10-Speed Automatic Transmission
- Standard LED Headlamps and Daytime Running Lamps
- Standard Trailering Package and Trailering Mirrors
- Best-in-Class† Heavy-Duty Cargo Bed Volume
- Standard Wireless Apple CarPlay® and Wireless Android AutoTM Compatibility
- Available MultiPro™ Tailgate
KEY FEATURES:

2024 Sierra 2500 HD SLE
Starting At: $49,200
- Standard 6.6L V8 Gas Engine or Available 6.6L Duramax Turbo Diesel Engine With Allison® 10-Speed Automatic Transmission
- Standard 13.4″ Diagonal Center Touch-Screen and 12.3″ Diagonal Driver Information Center
- Available X31 Off-Road Package With Twin-Tube Rancho® Shocks and Skid Plates
- Standard Wireless Apple CarPlay® and Wireless Android AutoTM Compatibility
- Standard MultiPro™ Tailgate
KEY FEATURES:
2024 Sierra 2500 HD SLT
Starting At: $60,500
- Standard 6.6L V8 Gas Engine or Available 6.6L Duramax Turbo Diesel 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 in Its Class, Including an In-Vehicle Trailering App
- Available 10-Way Power-Adjustable Front Heated and Ventilated Bucket Seats With Perforated Leather Appointments
- Available 20″ Polished Aluminum Wheels With Technical Gray Painted Accents
KEY FEATURES:


2024 Sierra 2500 HD AT4
Starting At: $69,100
- Standard 6.6L V8 Gas Engine or Available 6.6L Duramax Turbo Diesel 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 With Off-Road Inclinometer
- Unique Jet Black Interior With Kalahari Accents and Heated and Ventilated Perforated Front Leather Seating Surfaces
- Standard 20” Gloss-Black Aluminum Wheels With Available BFGoodrich Off-Road Tires
- Off-Road Suspension Package With Twin-Tube Rancho® Shocks and Skid Plates
KEY FEATURES:
2024 Sierra 2500 HD Denali
Starting At: $73,200
- Standard 6.6L V8 Gas Engine or Available 6.6L Duramax Turbo Diesel Engine Wiith Allison® 10-Speed Automatic Transmission
- Standard 20″ Ultra-Bright Machined Wheels With Bright Chrome Inserts (Single Rear Wheel Models Only)
- 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
KEY FEATURES:
2024 Sierra 2500 HD Denali Ultimate
Starting At:$91,900
- Standard 6.6L V8 Duramax Turbo Diesel Engine with Allison® 10-Speed Automatic Transmission
- Signature Denali Vader Chrome Grille and Exclusive 20″ Ultra-Bright Machined Aluminum Wheels With Gloss-Black Inserts (Single Rear Wheel Models Only)
- Ultimate Alpine Umber Interior Featuring Full-Grain Leather Seating and Authentic Open-Pore Paldao Wood and 16-Way Power Front Seats With Massage Feature
- 12-Speaker Bose® Premium Series With Centerpoint® Surround Sound
- Standard Illuminated Power Assist Steps and MultiProTM KICKER® Audio System
KEY FEATURES: