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Used 2021 GMC Sierra 3500HD 4WD Crew Cab Standard Bed AT4

Only 3 used 4WD Crew Cab Standard Bed AT4s left in stock

This vehicle is located at Front Royal Buick GMC

The Basics

VIN

Engine

6.6L / 8 cylinder (445 hp)

Stock Number

Transmission

Automatic

Interior Color

Jet Black With Kalahari Accents

Drive Type

4x4

Exterior Color

Summit White

Mileage

63,871

Key Features

Tow/haul mode

Interior accents

Android Auto

Apple CarPlay

Keyless entry

Push start

Remote start

Backup Camera

Automatic climate control

Bluetooth

Wi-Fi hotspot

USB

Vehicle Description

Excellent Condition, GMC Certified. Heated Leather Seats, Sunroof, NAV, Heated Rear Seat, 4x4, Bed Liner, Tow Hitch, GOOSENECK / 5TH WHEEL PREP PACKAGE, WHEELS, 20"" (50.8 CM) MACHINED ALUMIN... TRANSMISSION, ALLISON 10-SPEED AUTOMA...

BUY WITH CONFIDENCE
172-Point Inspection and Reconditioning, 3-Month trial of OnStar Safety & Security Plan and Connected Services, Includes two maintenance visits with the GMC CPO Scheduled Maintenance Program, $0 Deductible, 6-Year/100,000-Mile Powertrain Limited Warranty, Vehicle Exchange Program: 3 Day / 150 Mile Guarantee, 24/7 Roadside Assistance, CarFax Vehicle History Report, 12-Month/12,000-Mile Bumper-to-Bumper Limited Warranty, Satellite radio-equipped vehicles include a 3-month trial to the SiriusXM All Access content package Excellent Condition

EXCELLENT VALUE
This Sierra 3500HD is priced $500 below J.D. Power Retail.

KEY FEATURES INCLUDE
Leather Seats, Navigation, Sunroof, 4x4, Heated Driver Seat, Heated Rear Seat, Cooled Driver Seat, Back-Up Camera, Running Boards, Premium Sound System. Privacy Glass, Keyless Entry, Steering Wheel Controls, Alarm. Serviced here, Non-Smoker vehicle*** gm certified 100k mile warranty ***

OPTION PACKAGES
ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE (445 hp [332 kW] @ 2800 rpm, 910 lb-ft of torque [1220 Nm] @ 1600 rpm) (Includes (K05) engine block heater.), WHEELS, 20"" (50.8 CM) MACHINED ALUMINUM with high gloss Black accents, AUDIO SYSTEM, PREMIUM GMC INFOTAINMENT SYSTEM WITH 8"" DIAGONAL COLOR TOUCH-SCREEN includes multi-touch display, AM/FM stereo, Bluetooth® streaming audio for music and most phones; featuring wireless Android Auto® and Apple CarPlay® capability for compatible phones, advanced voice recognition, in-vehicle apps, personalized profiles for infotainment and vehicle settings (STD) (Includes (PZ8) Hitch Guidance with hitch view.), TRANSMISSION, ALLISON 10-SPEED AUTOMATIC, GOOSENECK / 5TH WHEEL PREP PACKAGE -- Hitch platform to accept Gooseneck or 5th Wheel hitch. Includes hitch platform with tray to accept ball, stamped bed holes with removable caps installed and bed mounted 7-pin trailer harness (similar to UY2 harness). GMC AT4 with Summit White exterior and Jet Black with Kalahari accents interior features a 8 Cylinder Engine with 401 HP at 5200 RPM*.

BUY FROM AN AWARD WINNING DEALER
At Front Royal Buick GMC, NO ONE BEATS AN ASCHENBACH DEAL - and were proud to be your trusted source for unbeatable Buick and GMC vehicles in the heart of the Shenandoah Valley! As a proud member of the family-owned Aschenbach Auto Group, we are committed to delivering a simple, honest, and personal car-buying experience that puts family values first.

Pricing analysis performed on 10/17/2025. Horsepower calculations based on trim engine configuration. Please confirm the accuracy of the included equipment by calling us prior to purchase.

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