The fight between full-size pickups adds a new protagonist. GMC showed the first preview of the upcoming 2027 Sierra 1500, a completely renewed generation that will reach US dealerships towards the end of 2026 with important changes in design, mechanics and equipment.

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The brand wants to reinforce its presence in the premium segment with a truck that not only seeks to stand out for its work capabilities, but also for offering a more sophisticated experience for those who use this type of vehicle on a daily basis. The renovation covers practically all sections of the model.

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According to GMC, the development of this new Sierra involved one of the most demanding engineering and validation processes within General Motors. The intention was to improve both performance and the perceived quality and technology available to the driver.

New engines for a new generation

One of the most important changes appears under the hood. The 2027 Sierra 1500 will debut two sixth-generation Small Block V8 engines, both naturally aspirated.

The offer will be made up of a 5.7-liter V8 and another 6.6-liter V8, developed to deliver a more refined response and better performance thanks to an evolution in the combustion, cooling and electronic management systems.

Added to this is a new fuel injection system that promises to optimize the delivery of power and torque, both when driving on the road and during towing or off-road driving.

For now, GMC has not revealed the official power figures or the maximum towing capacity, although it did confirm that both mechanics will be associated with a 10-speed automatic transmission.

The range will not abandon other alternatives already known to customers either. The TurboMax engine will continue to be available with improvements to maintain one of the most competitive torque levels in the category, while the Duramax diesel will continue to be part of the catalog for those seeking efficiency and good performance on long trips or with a load.

A more refined and technological interior

The evolution is also noticeable inside. GMC completely redesigned the cabin with higher quality materials, new finish combinations and an atmosphere much closer to that of a luxury SUV.

Among the new features are a MultiPro center console with greater storage capacity, an integrated work surface, new USB ports, the possibility of incorporating a panoramic roof and an improvement in the space available for front seat occupants.

The Denali Ultimate variant will once again occupy the most exclusive place within the Sierra family. This version will bring together more than 60 inches of digital screens distributed between a 16.3-inch multimedia screen, another 11.5-inch screen for the passenger, a 12.2-inch digital instrument panel, a 15-inch Head-Up Display and a digital rearview mirror with camera.

As an additional detail, the central screen will hide a compartment intended to store personal items without affecting the design of the set.

More assistance with driving and towing

The new Sierra will also incorporate an evolution of the Super Cruise system. In the Denali Ultimate version, GMC will include a three-year subscription to this hands-free driving technology developed by General Motors.

The system can be used on more than 600,000 miles of enabled highways between the United States and Canada and will maintain one of its most striking functions, the ability to operate even when the truck is towing a trailer. It will also offer automatic lane change and assistance through the use of the turn signal.

Versions for different types of clients

The 2027 Sierra 1500 family will continue to offer various configurations to suit different needs. The Pro, Elevation, AT4, AT4X, Denali and Denali Ultimate versions will be available.

In this way, the offer will range from those who need a pickup focused on daily work to those looking for a vehicle with greater off-road capabilities or a level of comfort typical of high-end models.

GMC confirmed that production will begin so that the first units reach the US market before the end of 2026 as a 2027 model. The price has not yet been announced and the brand indicated that this information will be known when the official launch date approaches.