The 2020 GMC Sierra 2500HD Double Cab, a powerhouse among heavy-duty pickup trucks, continues to set the benchmark for capability and refinement in its class. Boasting impressive power, unmatched towing and hauling strength, and a plethora of advanced technologies, the 2020 Sierra 2500HD Double Cab is not just a workhorse but also a comfortable daily driver.

GMC's focus on merging robust performance with luxurious comfort shines in the 2020 Sierra 2500HD Double Cab. With an emphasis on innovative features and cutting-edge technologies, GMC has transformed the heavy-duty truck segment, setting new standards in both capability and driver experience.

Unrivaled Power and Performance
The 2020 Sierra 2500HD Double Cab's powerhouse engine options ensure it's ready to tackle any challenge. The standard 6.6L V8 Vortec engine generates an impressive 401 horsepower and 464 lb-ft of torque, while the available 6.6L Duramax turbo-diesel V8 churns out a monstrous 445 horsepower and 910 lb-ft of torque.

Both engines are mated to the smooth-shifting 8-speed automatic transmission, ensuring effortless power delivery in virtually any situation. The Sierra 2500HD Double Cab's robust performance is further enhanced by its advanced trailering technologies, enabling confident hauling and towing capabilities.
Efficient and Powerful Engines

The 2020 Sierra 2500HD Double Cab's engine lineup showcases GMC's commitment to delivering brute strength without compromising efficiency. The standard 6.6L V8 offers an EPA-estimated 20 mpg highway, while the available 6.6L Duramax V8 delivers an impressive EPA-estimated 22 mpg highway, making this heavy-duty truck one of the most fuel-efficient in its class.
Additionally, both engines feature GMC's innovative Dynamic Fuel Management system, which actively manages cylinder deactivation, ensuring optimal fuel efficiency without compromising performance.
Advanced Trailering Technologies

The 2020 Sierra 2500HD Double Cab comes with a suite of advanced trailering technologies to make towing and hauling easier and more secure than ever. Including features like the exclusive ProGrade Trailering System, the Sierra 2500HD Double Cab offers best-in-class trailering-view cameras, an in-vehicle trailering app, and an industry-first Rear Camera Mirror.
These innovative features work together to provide unparalleled trailering visibility and control, enabling drivers to confidently handle any trailer or load, regardless of size.
Luxurious Comfort and cutting-edge Technology

The 2020 Sierra 2500HD Double Cab's cabin is a testament to GMC's commitment to elevating the heavy-duty truck segment. With upscale materials, intuitive technologies, and class-leading comfort, the Sierra 2500HD Double Cab's interior embodies GMC's professional-grade focus on innovation and refinement.
Featuring a class-leading 8.0-inch diagonal multi-color Head-Up Display and an available class-leading 15-inch diagonal diagonal GMC Infotainment System, the Sierra 2500HD Double Cab keeps drivers connected and informed, while its available Bose premium audio system ensures an exceptional listening experience.








Upscale Interior Comforts
The 2020 Sierra 2500HD Double Cab's cargo box offers class-leading space and class-exclusive CornerStep bowtie-shaped rails, making it easier than ever to access the pickup bed. Available cargo box features like the industry-first six-way multi-pro tailgate and the available 120V power outlet further enhance the utility and versatility of the Sierra 2500HD Double Cab.
The available Segment-first MultiPro midtailgate, which can be used as a step, an inner gate, and a load stop, provides unmatched versatility, while the available hands-free Dispatch function allows access to the cargo box and the upper tailgate with just a kick of the foot.
Intuitive and Advanced Technologies
The 2020 Sierra 2500HD Double Cab's interior features an array of advanced technologies designed to enhance the driver's experience. The available 15-inch diagonal diagonal GMC Infotainment System features wireless charging, OnStar services, and advanced smartphone integration, ensuring drivers stay connected on every journey.
In addition, the Sierra 2500HD Double Cab's available class-leading 8.0-inch diagonal multi-color Head-Up Display projects key information directly onto the windshield, keeping drivers' eyes on the road and hands on the wheel. Furthermore, the 2020 Sierra 2500HD Double Cab's available adaptive suspension system and Custom Truck Calibration with Off-Road Mode enable enhanced handling, stability, and control across various terrains.
The 2020 GMC Sierra 2500HD Double Cab is more than just a heavy-duty pickup truckāit's a testament to GMC's commitment to pushing the boundaries of capability, refinement, and innovation in the heavy-duty truck segment. With its unrivaled power, luxurious comfort, and cutting-edge technologies, the Sierra 2500HD Double Cab is the ultimate choice for discerning truck enthusiasts seeking the perfect balance of strength and sophistication. Experience the difference a GMC truck makes and elevate your driving experience today.