2021 GMC Sierra Denali 3500HD Dually

For the next production year, we won’t see too many novelties in the case of 2021 GMC Sierra Denali 3500HD Dually. The range-topping version of the capable truck is about to continue with the same design, though there are some small updates, particularly in terms of new features. We are about to see a couple of new things, but the overall design, as well as most features, is about to remain the same.

This means you may count on a pickup truck that is not just extremely capable but also combines that capability with a high level of luxury. That has always been the catch with Denali trim, which brings loads of additional features, as well as numerous exclusive styling details. The engine lineup is about to remain the same, and we expect to see 2021 GMC Sierra Denali sometime late in the year.

2021 GMC Sierra Denali 3500HD Dually

2021 GMC Sierra Denali 3500HD Dually Design

Other than the additional pair of wheels and different rear rims, the 2021 GMC Sierra Denali 3500HD Dually won’t be much different compared to the standard single rear wheel model. This means you may count on typical Denali features. Besides a full load of standard equipment, there is a whole bunch of exclusive styling details. Some of the highlights are things like signature Denali chrome grille, 20-inch wheels, chrome assist steps, chrome recovery hooks etc.

Additionally, there is a new Diamond edition. This model adds a couple of more exclusive features, such as black 20-inch wheels and power-retractable running boards. Other than that, things are pretty much the same.

Interior

The 2021 GMC Sierra Denali 3500HD Dually interior design also includes a couple of exclusivities. Some of the things that we should mention are the exclusive steering wheel, higher-grade materials, wood trim, unique leather seats and similar things. This model comes exclusively in a Crew Cab layout.

For this year, novelties are mostly in terms of new features. Some of the highlights are things like a new high-definition 360-degree camera and a bed-view camera.

2021 GMC Sierra Denali 3500HD Dually interior

Of course, the 2021 GMC Sierra Denali will carry on with a full load of standard equipment. Some of the highlights are things like a bigger touchscreen, built-in navigation, a Bose audio system, SiriusXM satellite radio. You can also get a rear-seat entertainment system.

2021 GMC Sierra Denali 3500HD Dually Engines

The engine lineup definitely remains the same. You may count on two familiar options, with a choice between gasoline and diesel power. Standard models come with a new 6.6-liter gasoline engine, which puts out around 401 horsepower and 464 pound-feet of torque. With such a power, as well as with dual rear wheels, this pickup truck can tow up to quite a respectable 24.000 pounds. Still, if towing is your main concern, a diesel version is a way better choice, thanks to massive 910 pound-feet of torque. Of course, we are talking about a well-known 6.6-liter Duramax turbodiesel, which is good for about 445 horsepower. Even the luxurious Denali trim with Crew Cab layout can tow way over 30.000 pounds with this engine.

While the base gasoline engine comes in pair with a six-speed automatic transmission, the turbodiesel uses a more advanced 10-speed Allison gearbox to send power to the wheels. The diesel is more capable, while the gasoline version still provides a notably smoother ride.

2021 GMC Sierra Denali 3500HD Dually

Release Date and Price

The 2021 GMC Sierra Denali 3500HD Dually comes with a handful of updates only, so we don’t expect to see it much earlier than usual. When it comes to the price, base models should go around 66.500 dollars. Of course, key rivals will be similar versions of Ford F-350 and Ram 3500HD.

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