Pre-Owned 2020 GMC Sierra 1500 AT4

AT4 trim, Summit White exterior and Jet Black with Kalahari accents interior.

SERVICE COMPLETED
Service Work completed on this GMC Sierra 1500 included: Complete Multi-Point Inspection, Oil & Filter Change by a Factory Trained Technician, Battery Voltage Test, Tires Inspected, Brake Inspection, Emissions System Check, Professional Detailed Inside and Out, Function Test all Lights, Check the Complete Exhaust System, Cooling System Inspection, Transmission Fluid Inspection, Differential Fluid Inspection, Function Test all Options & Accessories.

KEY FEATURES INCLUDE
Heated Driver Seat, Heated Rear Seat, Cooled Driver Seat, Satellite Radio, Onboard Communications System GMC AT4 with Summit White exterior and Jet Black with Kalahari accents interior features a 8 Cylinder Engine with 420 HP at 5600 RPM*.

OPTION PACKAGES
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, (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, 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.), 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, 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, 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. 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.), with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (STD).

AFFORDABLE TO OWN
This Sierra 1500 is priced $1,100 below J.D. Power Retail.

MORE ABOUT US
Family owned and operated, Hertrich Buick-GMC has been your Delmarva GMC dealer since 1964! We are located in the heart of the Delmarva Peninsula at 26953 Sussex Highway, Seaford, Delaware and serve as your Buick-GMC dealer with a state of the art GM Certified Sales & Service Department. As your gateway to the best buying experience you will ever have, we at Hertrich Buick-GMC know that price is important thats why we will beat out the competition time and time again with our aggressive pricing.

Pricing analysis performed on 10/26/2026. Horsepower calculations based on trim engine configuration. Please confirm the accuracy of the included equipment by calling us prior to purchase.