Why Buy from Alpine Buick GMC? When you choose this 2020 GMC Sierra 1500 AT4 from Alpine Buick GMC, youre not just buying a used car youre investing in quality, reliability, and peace of mind. Located in Littleton,CO, were proud to offer the best selection of top-tier used cars in our local area. Heres why savvy buyers trust us: Transparent Pricing: At $41,667, what you see is what you pay. Certified Quality: Every vehicle, like this 2020 GMC Sierra 1500 AT4, undergoes a rigorous multi-point inspection to ensure it meets our high standards. Customer-First Service: Our award-winning team treats you like family, backed by an excellent customer satisfaction rating. OTHER NOTABLE FEATURES AND OPTIONS YOU SHOULD KNOW ABOUT: Driver Alert Package IPerimeter LightingUltrasonic Front and Rear Park AssistRear Cross Traffic AlertLane Change Alert with Side Blind Zone AlertDriver Alert Package II ($1,095 value)Safety Alert SeatAdaptive Cruise Control - CameraIntelliBeam Automatic High Beam On/offFollowing Distance IndicatorForward Collision AlertLane Keep Assist with Lane Departure WarningAutomatic Emergency BrakingFront Pedestrian BrakingAT4 Premium Package ($2,105 value)LT275/65R18C MT BW TiresTechnology Package ($2,125 value)High Gloss Black Mirror CapsRear Camera Mirror8" Driver Information CenterMulticolor 15" Diagonal Head-Up DisplayBed View CameraHD Surround Vision with 2 Trailer View Camera ProvisionsPreferred Equipment Group 4SBAll-Weather Floor Liners with AT4 LogoGMC Connected Access CapablePower Front Passenger Windows with Express Up/downPower Rear Windows with Express DownDeep-Tinted GlassKeyless Open and StartPower Door LocksPower Front Windows with Driver Express Up/downRear Wheelhouse LinersColor-Keyed Carpeting Floor CoveringRemote Vehicle Starter SystemElectric Rear-Window DefoggerSpray-On Pickup Bed Liner with AT4 LogoCompassHitch GuidanceFloor-Mounted Center ConsoleHeavy-Duty Rear Locking DifferentialBody-Color Surround GrilleHill Descent ControlIntegrated Trailer Brake ControllerHigh-Capacity Air FilterHeated Driver and Front Outboard Passenger SeatingHeated 2nd Row Outboard Seats120-Volt Instrument Panel Power OutletAuxiliary External Transmission Oil Cooler12-Volt Rear Auxiliary Power OutletVentilated Driver and Front Passenger Seats170 Amp Alternator2 USB Ports2 USB Ports (1st Row)Electrical Lock Control Steering ColumnManual Tilt-Wheel and Telescoping Steering Column2-Speed Transfer CaseSkid PlatesProGrade Trailering System18" X 8.5" Machined Aluminum WheelsHD Radio4.2" Diagonal Color Display Driver Info CenterOnStar and GMC Connected Services CapableLED Cargo Area LightingRed Recovery HooksSteering Wheel Audio ControlsRear Dual USB Charging-Only PortsTheft Deterrent System (unauthorized Entry)HD Rear Vision Camera4G LTE Wi-Fi Hotspot CapableOff-Road SuspensionTrailering PackageAT4 Preferred PackagePower Sliding Rear Window with Rear DefoggerPremium GMC Infotainment System Radio with NavigationWireless ChargingUniversal Home RemotePremium Bose 7-Speaker Sound System EMISSIONS, FEDERAL REQUIREMENTS, ENGINE, 6.2L ECOTEC3 V8, TRANSMISSION, 10-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED, GVWR, 7000 LBS. (3175 KG), REAR AXLE, 3.23 RATIO, WHEELS, 18" X 8.5" (45.7 CM X 21.6 CM) MACHINED ALUMINUM, TIRES, LT275/65R18C MT BLACKWALL GOODYEAR WRANGLER DURATRAC, DARK SKY METALLIC, SEATS, FRONT BUCKET, JET BLACK WITH KALAHARI ACCENTS, PERFORATED LEATHER-APPOINTED FRONT SEAT TRIM, AUDIO SYSTEM, PREMIUM GMC INFOTAINMENT SYSTEM WITH NAVIGATION AND 8" DIAGONAL COLOR TOUCH-SCREEN, INCLUDES MULTI-TOUCH DISPLAY, AM/FM STEREO, AT4 PREMIUM PACKAGE, TECHNOLOGY PACKAGE, AT4 PREFERRED PACKAGE, DRIVER ALERT PACKAGE I, DRIVER ALERT PACKAGE II, LPO, CAT-BACK PERFORMANCE EXHAUST, SUNROOF, POWER, LPO, ACCESSORY ASSIST STEP, OFF-ROAD, BLACK, INTELLIBEAM, AUTOMATIC HIGH BEAM ON/OFF, MIRROR CAPS, CHROME, LPO, MIRROR CAPS, BLACK, WINDOW, POWER, REAR SLIDING WITH REAR DEFOGGER, LICENSE PLATE KIT, FRONT, BOSE SOUND SYSTEM, PREMIUM 7-SPEAKER SYSTEM, D