Finished in Onyx Black, this 2021 GMC Sierra 1500 AT4 combines premium comfort, off-road capability, and outstanding diesel efficiency in one exceptionally well-rounded truck. Powered by the highly sought-after 3.0L Duramax Turbo-Diesel inline-six engine paired with a 10-speed automatic transmission and 4WD, this Sierra delivers impressive torque, smooth power delivery, and an EPA-estimated 22 MPG city and 26 MPG highway. The AT4 trim adds rugged styling and capability, giving this truck an aggressive stance that looks every bit as capable as it performs.
Inside, the AT4 cabin offers a premium experience with heated and ventilated front seats, a heated steering wheel, driver memory settings, automatic climate control, and upscale materials throughout. Designed for both work and daily comfort, the interior provides a refined driving environment while maintaining the toughness expected from a GMC truck. Whether you're heading to the jobsite or taking a weekend trip, this Sierra is built to keep you comfortable along the way. Technology and convenience features are found throughout the cabin, including Apple CarPlay, Android Auto, the GMC Infotainment System, GMC Connected Services capability, OnStar, remote start, and steering wheel-mounted audio controls. The ProGrade Trailering System, In-Vehicle Trailering App, Hitch Guidance with Hitch View, and integrated towing technologies help take the stress out of towing and hauling, making this truck as capable as it is intelligent.
Adding even more appeal, this AT4 has over 18,000 fewer miles than the market average. Equipped with an Auto-Locking Rear Differential, Hill Descent Control, Trailering Package, spray-on bedliner with AT4 logo, Electronic Stability Control, and GMC's proven 4WD system, it's ready for work, recreation, and everything in between. The combination of low mileage, Duramax efficiency, premium features, and AT4 capability makes this Sierra a standout in the full-size truck market. With its low-mileage Duramax diesel powertrain, premium AT4 interior, and impressive towing capability, this Sierra is the kind of truck that checks all the right boxes. Stop by Camp Chevrolet and see why this well-equipped GMC is ready for whatever adventure, job, or journey comes next!
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