Brustolon Buick GMC in Mystic, CT is a reputable GMC dealership popular for its broad lineup of high-end used and new cars, including the GMC Sierra 1500. The GMC Sierra 1500 is a reputable pick-up truck that brings power and safety to the road. Upgrading to upper trim levels such as the Denali and AT4 will provide you with endless connectivity, safety, and off-road features. Contact us today to schedule a test drive appointment or talk to one of our salespeople.

The GMC Sierra 1500 AT4 features a refined interior, which is athletic and purposeful. When you enter this machine, you will find state-of-art technology consisting of a bed view camera, an HD all-around rear camera, and a 15-inch heads-up display system. It also features a ProGrade Trailering system with an in-vehicle and smart integration app with customizable maintenance and profile reminders. Other features that help turn your machine into a mobile office include Android Auto and Apple CarPlay connectivity and a Wi-Fi hotspot.

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