2020 GMC Sierra (Heavy Duty Denali 3500 and AT4) – The 2020 GMC Sierra HD brings the American truck brands latest styling and technology to the heavy-duty segment. Looking much subsequently its Sierra 1500 kin, the latest Sierra HD relieve from a more cohesive design relative to that of its smaller sibling. Details such as grillework that extends into the scalloped headlights, more defined wheel competently arches, and a blistered hood find the money for GMCs 2500 and 3500 heavy-duty pickup trucks a rugged handsomeness.
Yet, the Sierra HDs supplementary bodywork does more than just improve the model’s styling, and the gargantuan GMC foster from an improved bed that sports an inch belittle lift-over height, newly built-in side-steps ahead of the rear wheels, and an optional tailgate step to ease retrieve into the cargo box. Dubbed MultiPro, the trick two-piece tailgate is easy to use throughout the 2020 Sierra HD line.
Accompanying the likes of the well-equipped Sierra HD SLT and luxury-lined Sierra HD Denali trims is a other off-road-oriented AT4 model. next a model-specific delay setup that includes Rancho shock absorbers, skid plates to protect vital mechanical pieces, a locking rear differential, a dedicated off-road driving mode, and a set of 18-inch Michelin all-terrain tires, the Sierra HD AT4 aims to believe on the likes of the heavy-duty Ram capacity Wagon and medium-duty Nissan Titan XD Pro-4X.
2020 GMC Sierra Denali – Rival of Ford F-150 and Chevy Silverado
UP TO 35,500 LBS
WORLD’S FIRST AVAILABLE
PULL YOUR WORLD
The Next Generation Sierra Heavy Duty delivers world-class capability and advanced trailering technology that work together to create the power you need to tow with command and control.
ENGINEERED TO CONQUER
The Sierra Heavy Duty pickup truck will offer greater towing capability than the previous generation, with best-in-class max towing up to 35,500 lbs† (vehicle shown max towing 31,200 lbs). It’s built strong so you can tow strong with a larger drive shaft and rear axle that increases durability and strength. A bigger grille and engine fan improve engine cooling. Improved brakes and steering offer superior control.
FIRST-EVER ALLISON® 10-SPEED AUTOMATIC TRANSMISSION
The available 6.6L Duramax Turbo Diesel V8, which produces 445 horsepower and 910 lb-ft of torque, is paired with the all-new Allison® 10-speed automatic transmission – the first of its kind in the heavy-duty pickup segment. The all-new 10-speed transmission with closer gear spacing allows the engine to operate in an optimal range at all times with varying load and terrain conditions. This, combined with fortified components used throughout Sierra Heavy Duty’s driveline, provides maximum torque to the wheels at all times. Learn more on GMC Life.
PROGRADE™ TRAILERING SYSTEM
An available system of intelligent technologies improves the trailering experience by adding functionality and convenience. An In-Vehicle Trailering App†, and class-leading available 15 unique camera views† help improve the hitching and towing experience. Learn more on GMC Life.
IN-VEHICLE TRAILERING APP†
Integrated into the infotainment screen, the In-Vehicle Trailering App provides the Trailer Light Sequence Test, Trailer Theft Alert and an available Trailer Tire Pressure and Temperature Monitoring System.
The World’s First Six-Function MultiPro™ Tailgate, available on Sierra Heavy Duty, improves cargo-box accessibility and functionality by adapting to your needs with six different functions – making loading and unloading quicker and easier.