2020 GMC Sierra 1500 AT4 Diesel Review, Specs & Details

2020 GMC Sierra 1500 AT4 Diesel Review, Specs & Details

When we start to analyze the range of a given van, we sometimes have the impression of finding ourselves in a restaurant in front of a menu offering us 150 choices of meals.

The panoply of variations offered is enough to make you nauseous. This is not a reproach, but an observation of things. And if the offer is so varied, it is because the demand is just as varied.

And when we say that the offer is varied, consider this; taking into account the 4 types of bodywork offered, the 2 drive cogs, the 6 finish levels in the catalog and the 5 engines offered, there are 74 different combinations that can be concocted. Not to mention the option groups.

2020 GMC Sierra 1500 AT4 Diesel Review, Specs & Details

Seventy four !

Of course, some are more popular than others, but still. And, fortunately, some combinations are not offered or possible. For example, there are no AT4 versions in a two-wheel drive configuration. It is normal, the vocation of the model, it is the competence outside the beaten track. This brings us to the version tested at the start of the year, an AT4 livery, but this time equipped with the Diesel engine. A rarer combination, it goes without saying.

We describe that to you, but first, a few words about GMC.

On the rise
For a long time, GMC only offered copies of Chevrolet products. A question of image, but a question historically linked to the custodians of the brand and their accessibility in certain places on the continent. Long story. However, over time, many buyers have identified with this brand rather than another. So, in some North American bleds, GMC models are more popular than Chevrolet ones.

And in recent years, we have seen GMC stand out more and more. Oh, of course, the basics of their vehicles remain the same as those offered at Chevrolet, but we are making efforts in terms of design and with the versions, too.

The Elevation and AT4 variants are fine examples of this. As for the GMC Sierra, its sales continue to increase. Among our neighbors to the south, it had its best year in 2020 with 253,014 units sold, despite the pandemic. With us, it also saw its sales grow in 2020 compared to 2019 (51,512 against 48,846).

And the momentum is set to continue, especially with the Hummer EV.

2020 GMC Sierra 1500 AT4 Diesel Review, Specs & Details

AT4
The AT4 version was released in January 2019 by GMC. Clearly, she won over from the start, as she quickly grabbed 20% of the model’s orders. In addition to its increased off-road capabilities, its unique styling traits were popular. They take the form of a single grid, a two-inch raised frame, separate tires, and red tie-down hooks found at the front.

As for configurations, the Sierra AT4 can be delivered to you with two types of bodies, either the crew cab with the short box or the regular box. With the first, three mechanical choices are possible: the 5.3-liter V8, the 6.2-liter V8, as well as the Diesel engine. With the second, only the last two mills are suggested.

Diesel
Before the Volkswagen scandal broke (September 2015), Diesel engines were found everywhere throughout the industry. Since then, the hecatomb. However, with full-size pickup trucks it continues, because the interest is there, as is the added value for some buyers who, for example, swallow the miles per ton or just like to tow with a diesel engine.

And there is consumption, of course, which is to be considered. My week of testing ended with a rating of 10.1 liters per 100 kilometers, which is not to be overlooked with a vehicle of this size. Of course, buyers will consider the higher maintenance costs, as will the expected greater longevity of the mechanics to make their calculations and choice.

With that, I defer to the latter’s needs and preferences. An AT4 / Diesel combination may seem bad to some while it will be the perfect match for others.

Interior
Behind the steering wheel, it does not change the behavior of the vehicle at all except that during sharper acceleration, you can feel so much this difference between the horsepower of a V8 engine and the torque of a Diesel unit. . The model’s inline 6-cylinder takes advantage of turbocharging to deliver 277 horsepower and 460 pound-feet of torque, all for a towing capacity of 9,300 pounds. A 10-speed automatic transmission is the link between the engine and the wheels.

Moreover, the Sierra AT4 offers us an experience marked by solidity and robustness. And of course, by this feeling of invincibility reinforced the even more dominant position on the road due to the elevated character of the model.

As for the environment we enjoy inside, it is of course characterized by space, but also by functionality. And we always look forward to the day when GMC will seriously revise its interior presentation to enhance its appearance and quality. This is the main weakness of the Sierra model when you look at what is done at Ford and Ram.

As for the equipment, it of course includes the necessary in terms of connectivity and usability (heated seats, for example), but it can also take advantage of different groups that come to enrich it. Our test model notably took advantage of the AT4 CarbonPro package, a $ 4,790 deal that advances a carbon fiber composite solution to the body, but also a sliding rear window, navigation, a Bose sound system, free charging. cell phone wire, 18-inch Goodyear Wrangler DuraTrac tires, as well as a set of driving alerts.

The Technology package, at $ 2,520, also benefited our model. It offers an HD peripheral camera with two angles for the trailer, a digital rearview mirror, head-up display and an eight-inch information display for the driver in the instrument cluster.

There are actually a number of groups on offer, each offering some unique characteristics. Note, however, that some items may end up in more than one location with other less expensive groups, which gives the buyer some choice.

That said, our model’s base price was $ 63,098, but it came in at $ 75,738 before freight and delivery charges ($ 1,900). Yes, ayoye in both cases. By the way, choosing the Diesel engine costs you $ 3,245, for your calculations.

And speaking of calculation, funny note, GMC estimates the range on the highway at 999.46 km with this model. They will have to explain to me how we arrived at such precise data. Do we agree on 1000 km?

Conclusion
Notwithstanding the price, which does not slow down buyers of this type of vehicle too much (rental, quick resale, etc.), or the Diesel engine which does not seem out of place with this variant, the GMC Sierra AT4 remains a pick-up. up ultra competent which one can easily fall in love with. We have a good time behind the wheel and we appreciate its practicality and versatility.

And in terms of its price, there is another way to look at it; this is a model that can easily be kept for 20 years or more. To think about …

WE love

Eye-catching
styling General driveability
Reasonable
fuel consumption Choice of versions
Multifunction tailgate

We like less

The price
Interior presentation without shine
Maintenance that requires iron discipline

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