2020 GMC Sierra 1500

1-OWNER -- DURAMAX 3.0L TURBO-DIESEL -- 4WD -- FACTORY 2 LIFT -- OFF-ROAD SUSPENSION & SKID PLATES -- MULTIPRO TAILGATE -- SPRAY-IN BEDLINER -- HEATED & VENTILATED FRONT SEATS -- TRAILER BRAKE CONTROLLER -- HITCH GUIDANCE -- APPLE CARPLAY/ANDROID AUTO -- 120V BED OUTLET -- BLACK RUNNING BOARDS --Weâve just taken in a 2020 GMC Sierra 1500 AT4 Crew Cab Pickup. Itâs finished in Dark Sky Metallic with a Jet Black leather interior accented by Kalahari trimâruggedly bold yet upscale and refined. With 103,817 miles, just one previous owner, and a Good condition rating, this Sierra AT4 offers the rare combination of diesel efficiency, off-road hardware, and premium interior comforts.At its core is GMCâs Duramax 3.0L turbo-diesel I6 paired with a 10-speed automatic transmission. Delivering 277 horsepower and a massive 460 lb-ft of torque, this setup gives you effortless towing, calm highway cruising, and fuel efficiency of up to 26 MPG highway and 22 MPG city. The AT4âs 4WD system includes off-road suspension, skid plates, hill descent control, and all-terrain tires, making it equally at home on muddy trails or snowy commutes.Add the integrated trailer brake controller, Hitch Guidance with Hitch View, and the in-vehicle Trailering App, and this truck becomes a confident towing partner. Black running boards and a soft tonneau cover add convenience and protected cargo space.Step inside, and the AT4 greets you with heated and ventilated front bucket seats, heated rear outboard seats, and a heated steering wheelâcomfort that takes the sting out of icy mornings and hot afternoons alike. The driver enjoys memory seat settings, a 10-way power seat, and a clear view of key vehicle stats via the color Driver Information Center. The leather-wrapped steering wheel, Jet Black and Kalahari accents, and thoughtful storage in the center console add both sophistication and practicality.Technology is where the Sierra shines. GMCâs Premium Infotainment System with 8-inch touchscreen delivers wireless Apple CarPlay and Android Auto, Bluetooth, HD Radio, SiriusXM with 360L, voice commands, and available 4G LTE Wi-Fi. Wireless charging keeps your phone topped up, while USB-A and USB-C ports front and rear keep passengers connected. With premium audio, navigation features, and trailer-specific tools, every drive feels both smart and capable.Utility meets innovation in the truck bed. The spray-on bedliner shrugs off heavy use, LED cargo box lighting keeps gear visible at night, and the MultiPro tailgateâs six functions transform into a step, a workbench, or a load stop as needed. CornerStep rear bumpers, a 120-volt bed-mounted outlet, wheelhouse liners, and integrated tie-downs all make this Sierra ready for real work and real play. Up front, LED reflector headlamps, signature daytime running lights, and body-color bumpers complete its athletic stance.If youâre searching for a truck that balances diesel efficiency, trail-ready confidence, and luxury-grade comf