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2019 GMC Sierra 3500HD Overview

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Photo: GMC

For towing, hauling, and other heavy-duty work, turn to the 2019 GMC Sierra 3500HD. A properly equipped Sierra 3500HD can pack a maximum payload of more than 6,000 pounds, tow more than 23,000 pounds, and keep drivers comfortable and connected in the process. This truck offers four trim levels: Sierra, SLE, SLT, and Denali. Available configurations include 2WD or 4WD, single-rear-wheel or dual-rear wheel, and standard box or long box.

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The 2019 GMC Sierra 2500HD offers a choice of two engines. The standard option is a 6.0-liter Vortec V8 that puts out 360 horsepower and 380 lb-ft of torque. It’s paired with a heavy-duty six-speed transmission. There’s also an available 6.6-liter Duramax turbo-diesel V8 that makes 445 horsepower and an astounding 910 lb-ft of torque. It comes with an Allison 1000 six-speed automatic transmission.

Photo: GMC

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The 2019 Sierra 3500HD is a powerful towing machine. With its standard gas engine, it can pull up to 14,500 pounds — or 14,600 pounds with fifth-wheel/gooseneck equipment. The diesel engine boosts conventional towing capability to 20,000 pounds on dual-rear-wheel models and maxes out at 23,300 pounds with a fifth-wheel or gooseneck hitch.

The Sierra 3500HD is built to haul hefty loads in its bed, too. It’s rated for a maximum payload of 6,112 pounds. With a standard box, it can handle 61 cubic feet of cargo. With a long box, that number increases to 76.3 cubic feet.

Exterior Features

Built for hard labor, the Sierra 3500HD comes with an array of exterior features to help drivers get the job done. Cab-mounted lamps for the cargo bed, a CornerStep rear bumper, HID projector-beam headlamps, and movable cargo tie-downs come standard. Available options include assist steps, the EZ-Lift and Lower Tailgate with remote locking, LED lighting for the cargo box, power trailering mirrors, and a spray-on bedliner.

Interior Features

The Sierra 3500HD provides interior features that are both rugged and convenient. Folding seats and tough rubberized-vinyl floor covering come standard. Depending on the trim, the cabin can also be upgraded with available options like underseat storage, cloth or leather seating, heated and ventilated seats, a heated and leather-wrapped steering wheel, and dual-zone automatic climate control.

Safety and Infotainment Tech

The Sierra 3500HD keeps occupants safe with multiple standard airbags, StabiliTrak electronic stability control, and a backup camera. The truck can even be outfitted with optional active-safety tech like Lane Departure Warning, Front and Rear Park Assist, and Forward Collision Alert. OnStar connected services are available for emergency situations and roadside assistance.

For information and entertainment, the Sierra 3500HD comes with the standard GMC Infotainment System. This setup features a 7-inch touch screen, Apple CarPlay and Android Auto smartphone syncing, voice command, hands-free calling, and Bluetooth audio streaming. On higher trims, navigation, a larger screen, and 4G LTE Wi-Fi hotspot capability are offered as well.