Used | 2020 | GMCSierra 1500 AT4

CARFAX 1-Owner. AT4 trim, Dark Sky Metallic exterior and Jet Black with Kalahari accents interior.

KEY FEATURES INCLUDE
4x4, Heated Driver Seat, Heated Rear Seat, Cooled Driver Seat, Satellite Radio, Onboard Communications System, Trailer Hitch, Aluminum Wheels, Remote Engine Start, Dual Zone A/C Privacy Glass, Keyless Entry, Steering Wheel Controls, Alarm. GMC AT4 with Dark Sky Metallic exterior and Jet Black with Kalahari accents interior features a 8 Cylinder Engine with 420 HP at 5600 RPM*.

OPTION PACKAGES
AT4 PREMIUM PACKAGE includes (PDO) AT4 Preferred Package, (R3O) LT275/65R18C MT blackwall Goodyear Wrangler DuraTrac tires, (PQB) Driver Alert Package I and (RVQ) 6" Black rectangular assist steps, LPO, ENGINE, 6.2L ECOTEC3 V8 (420 hp [313 kW] @ 5600 rpm, 460 lb-ft of torque [624 Nm] @ 4100 rpm); featuring all-new Dynamic Fuel Management that enables the engine to operate in 17 different patterns between 2 and 8 cylinders, depending on demand, to optimize power delivery and efficiency, TECHNOLOGY PACKAGE includes (UVS) HD Surround Vision, (DRZ) Rear Camera Mirror, (UVN) Bed View Camera and (UV6) Multicolor 15" Diagonal Head-Up Display Includes (UHS) 8" Digital Driver information Center and (DP6) Black mirror caps.), AT4 PREFERRED PACKAGE includes (UG1) Universal Home Remote, (A48) rear sliding power window, (IOT) 8" diagonal Premium GMC Infotainment with navigation, (UQA) Bose Premium Audio System and (K4C) Wireless Charging, DRIVER ALERT PACKAGE II includes (UEU) Forward Collision Alert, (UHX) Lane Keep Assist/Lane Departure Warning, (UHY) Automatic Emergency Braking, (UKJ) Front Pedestrian Braking, (TQ5) IntelliBeam headlamps, (KSG) Adaptive Cruise Control-Camera and (UE4) Following Distance Indicator Includes (HS1) Safety Alert Seat.), SUNROOF, POWER, DRIVER ALERT PACKAGE I includes (UD5) Front and Rear Park Assist, (UKC) Lane Change Alert with Side Blind Zone Alert and (UFG) Rear Cross Traffic Alert (Includes Perimeter Lighting. AUDIO SYSTEM, PREMIUM GMC INFOTAINMENT SYSTEM WITH NAVIGATION AND 8" DIAGONAL COLOR TOUCH-SCREEN, INCLUDES MULTI-TOUCH DISPLAY, AM/FM STEREO Bluetooth® streaming audio for music and most phones; featuring Android Auto® and Apple CarPlay® capability for compatible phones, advanced voice recognition, in-vehicle apps, personalized profiles for infotainment and vehicle settings. Includes greater memory Note: (PZ8) Hitch Guidance with hitch view is included with trim.), TRANSMISSION, 10-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (STD).

AFFORDABLE TO OWN
This Sierra 1500 is priced $8,800 below J.D. Power Retail.

SHOP WITH CONFIDENCE
CARFAX 1-Owner

MORE ABOUT US
Find your next car, truck, or SUV at Ideal Buick GMC in Frederick, MD, proudly serving Frederick, Hagerstown, Urbana, and Mt. Airy. As part of the family-owned Aschenbach Auto Group, with dealerships across Virginia, Maryland, and Pennsylvania, our team is here to make your purchase straightforward - from helping you find the right vehicle and appraising your trade-in to exploring financing options and caring for your vehicle in our service and parts departments after the sale. Contact us today to confirm availability and schedule your test drive at Ideal Buick GMC.

Please note that all advertised prices are valid through the end of the current business day and are subject to change daily. Prices exclude tax, title, and registration. Contact dealer for complete details. Pricing analysis performed on 10/16/2026. Horsepower calculations based on trim engine configuration. Please confirm the accuracy of the included equipment by calling us prior to purchase.