The 2019 GMC Sierra 3500HD 4WD is the most powerful and capable non-commercial GMC truck that is durable yet comfortable. For a work truck, the cabin is extremely quiet even when equipped with the optional diesel engine. The diesel engine has outstanding torque to handle the demands of a work environment. In addition, this truck has a high-end feel.

What's New for 2019?

The 2019 GMC Sierra 3500HD 4WD did not receive any significant updates except the regular cab and short-bed double cab models have been discontinued. A new Ebony Twilight Metallic exterior paint scheme is also available.

Available Trims and Features

The 2019 GMC Sierra 3500HD 4WD is available in the following four trim levels: Base, SLE, SLT, and Denali. The crew cab can be configured with a standard or long bed.

The Base model comes nicely equipped with 18-inch steel wheels that can handle the rigors of a work environment. The automatic locking rear differential system ensures that power is evenly distributed to both wheels. Xenon headlights provide a dramatic increase in brightness. The upholstery can be wrapped in either vinyl or cloth. The split front bench has a fold-down center armrest for improved versatility. The 7.0-inch infotainment display system features Bluetooth, a USB, and smartphone integration for Apple and Android. Other standard features include a six-speaker audio system, cruise control, and air conditioning.

A host of optional features are available for this trim to include a convenient remote locking tailgate and LED lighting in the bed for improved visibility. A 110-volt household-style power receptacle can power a wide variety of equipment. Satellite radio, Wi-Fi hotspot, and OnStar are also available.

The 2019 GMC Sierra 3500HD 4WD SLE includes most of the standard and optional equipment from the Base plus an 8.0-inch touchscreen infotainment display and stylish 18-inch alloy wheels. The rear windows are tinted for improved cooling and privacy. An EZ-Lift system aids in lifting/lowering the tailgate.
The floor is covered in durable carpet and the split-folding rear seat improves flexibility. A leather-wrapped steering wheel has a luxury feel and appearance. Other standard features include a CD player, HD radio, and remote keyless entry

The 2019 GMC Sierra 3500HD 4WD SLT steps up to attractive foglights and convenient power-folding side mirrors. The dual-zone automatic climate control system allows for individualized temperature settings. the leather upholstery gives the cabin and upscale look. The front seats are power-adjustable and heated for maximum comfort. A tilt-and-telescoping steering wheel allows the wheel to be easily placed in the optimal driving position. An auto-dimming rearview mirror improves visibility during blinding conditions. Other convenience items include remote start and a standard 110-volt household-style power receptacle.

The 2019 GMC Sierra 3500HD 4WD Denali adds plenty of luxury equipment to include a durable spray-in bedliner and a heated steering wheel for those cold winter days. The front seats are ventilated for improved comfort. The premium Bose audio system will take listening to another level. The interior trim also has some unique upgrades. Other standard features include a power-sliding rearview window, GPS navigation, wireless phone charging pad, and an improved driver information display

Most of the higher trim features can be purchased for the lower models in a variety of packages. Other notable optional equipment depending on the trim level includes a handy bed storage box, a gooseneck/fifth-wheel trailering package, and a sunroof.


The 2019 GMC Sierra 3500HD 4WD comes with a powerful 6.0-liter V8 engine that produces 360 hp and 380 lb-ft of torque. This engine is more than capable of handling most of your towing and off-road needs. For even more power and capability, a massive turbocharged 6.6-liter V8 engine that pumps out an impressive 445 hp and 910 lb-ft of torque is available. Both engines are mated to a strong six-speed automatic transmission. Rear wheel drive is standard and four-wheel drive is optional on all trims. The rear axle can be fitted with either a single wheel or dual rear wheel(dually).


The 2019 GMC Sierra 3500HD 4WD is a very safe truck that includes a full complement of airbags. All trims come standard with a rearview camera. Higher trims come standard with safety aids such as front and rear parking sensors to help prevent accidents. A Driver Alert package can be added to any trim and includes a host of safety features such as lane departure alert and forward collision warning.