2026 GMC Sierra 1500 4WD Crew Cab 147 AT4 â" Technology Package, AT4 Premium Package, Preferred Equipment Group 4SB, AT4 Preferred Package, Black Badging Package; Duramax 3L I-6 direct injection intercooled turbo diesel with DOHC, variable valve control and a 10-speed automatic 305 HP. Built to blend off-road capability with diesel efficiency, this AT4 delivers confident towing, composed highway manners, and a premium set of technologies for daily driving and work duty alike.
Technology Package: Adds a suite of driver-focused tech that elevates convenience and situational awareness for longer drives and busy work days, helping you stay connected and in control.
AT4 Premium Package: Enhances comfort and refinement with select upgrades that make time behind the wheel more pleasant on and off the pavement.
Preferred Equipment Group 4SB: Brings desirable convenience and entertainment options together so you enjoy a better in-cab experience without compromising capability.
AT4 Preferred Package: Tailors the truck for everyday usability with features that simplify errands and storage while keeping the cabin comfortable in all conditions.
Black Badging Package: Gives the Sierra a bolder, monochromatic appearance that emphasizes the truckâs rugged personality and modern styling.
Wireless Apple CarPlay and Android Auto integration lets you mirror maps, music, and messages without cords, keeping your cabin tidy and your apps within easy reach.
Forward collision mitigation continuously watches traffic ahead and can intervene to reduce the likelihood or severity of a frontal impact, giving added peace of mind on busy roads.
Front pedestrian impact prevention enhances urban safety by monitoring and reacting to people in the vehicleâs path, helping to avoid or soften collisions with vulnerable road users.
An onboard mobile hotspot keeps passengers online on the go, so work, streaming, or navigation stays connected without draining your phoneâs data.
The rear camera delivers clearer views when backing up or hitching, turning tight maneuvers into straightforward, safer tasks.
Lane departure prevention helps you maintain lane position by gently correcting unintended drift, reducing the chance of side-swipe incidents during long trips.
Rear collision mitigation monitors traffic behind the truck and can respond to looming impacts, adding another layer of protection for occupants and cargo.
Adaptive cruise control with traffic stop-go handles following distance and stop-and-go traffic automatically, making highway commutes and road trips far less fatiguing.
The head-up display projects essential info into your line of sight so you can keep your eyes on the road while monitoring speed and navigation prompts.
The 2026 GMC Sierra 1500 AT4 pairs diesel torque with thoughtful technology and pro