2021 GMC Sierra 1500 AT4 First Look, Redesign

GMC recently introduces refreshed trim AT4. The upcoming 2021 GMC Sierra 1500 AT4 is one of the pickup trucks that is wearing this trim, and it looks sportier than the regular model.

Like the AT4 Canyon model, the new Sierra AT4 full-size pickup truck offers excellent performance, premium features, and sophisticated design. Generally, both models provide one of the best off-road driving experience. Under the hood, GMC Sierra 1500 AT4 is powered by a very potent 5.3-liter V8 diesel registering high output.

2021 GMC Sierra 1500 AT4

2021 GMC Sierra 1500 AT4 Exterior

Design-wise, the forthcoming 2021 GMC Sierra 1500 AT4 is looking more stylish than the regular one. This model wears a new AT4 treatment giving this pickup truck a more aggressive look. According to the manufacturer, the new model has two additional inches of ground clearance compared to the regular one. So, because of that, one can expect better off-road ability. As you can see, the design is fantastic and it features numerous blacked-out features.

For example, the front fascia sports a new dark chrome grille and bolder bumper. Also, as we can see from images, red tow hooks, 18-inch wheels, and Micheline all-terrain tires are all available. Like on a regular model, the new one also comes with 20-inch rims optional. As we mentioned, this model offers numerous customizations. Rancho shocks and Eaton rear locking differential are also available to go for.

Cabin Updates

Inside, the new 2021 GMC Sierra 1500 AT4 offers numerous high-tech amenities. Surly, the cabin of AT4 comes with more high-quality materials than the regular model. New various darkened trims are available as the leather upholstery. In terms of techs, GM offers a relatively new 15-inch head-up display that definitively highlights inside. Comfort is high and the manufacturer added plenty of customizations. One can go fo massage seats, leather, and more.

GM also offers more driver-assistance aids than the regular one. So, expect intelligent driver-centric alerts, adaptive cruise control, lane change alert with side blind zone, forward collision alert, front pedestrian braking, and front and rear park assist.

2021 GMC Sierra 1500 AT4 cabin

2021 GMC Sierra 150 AT4 Under the Hood

The forthcoming 2021 GMC Sierra 1500 AT4 is a great pickup truck that will use a single-engine option. This model under the hood has a very potent 5.3-liter V8 diesel powertrain that generates 277 horsepower and 460 lb-ft of torque. According to the latest news, General Motors improved Sierra mechanics, giving it an additional 37 lb-ft of torque for 2021. That means the AT4 variant will provide almost 500 lb-ft of torque. Also, the same treatments will punch all Sierra heavy-duty lineup.

Sierra 1500 AT4 is using a very potent diesel engine, which is a direct rival to Ram Rebel pickup. From what we heard, the 2021 GMC Sierra 1500 AT4 will be offered with a new 10-speed automatic transmission. Fuel economy rating is still not revealed, but 22 mpg combined is acceptable.

2021 GMC Sierra 1500 AT4 rear

Price and Release Date

According to the latest reports, the new GMC Sierra 1500 AT4 will bring plenty of improvements. The entry-level pickup will start at around $56,000.

As you can see, the price is keeping up in line with other rivals in the same segment. From the GMC statement, the new Sierra 1500 AT4 will go on sale in the last quarter of this year.

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