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2021 GMC Sierra 2500HD AT4 Crew Cab Pickup

AT4, 6-SPEED AUTOMATIC, HEAVY-DUTY, 1GT49PE71MF296235, 48,122 mi.
Stock Z86201A
Dealer Sheehy GMC of Hagerstown
Sheehy Easy Price
$50,900
8 Cyl
6-SPEED AUTOMATIC, HEAVY-DUTY
1GT49PE71MF296235
Onyx Black
Jet Black with Kalahari Accents Interior

ABOUT THIS VEHICLE

This 2021 GMC Sierra 2500HD AT4 at Sheehy Automall of Hagerstown, has a Onyx Black exterior over a Jet Black with Kalahari Accents interior.

One Owner!

WHY THIS VEHICLE?

Driver Alert Package I

  • Perimeter Lighting
  • Ultrasonic Front and Rear Park Assist
  • Rear Cross Traffic Alert
  • Lane Change Alert with Side Blind Zone Alert

Driver Alert Package II

  • Safety Alert Seat
  • IntelliBeam Automatic High Beam On/off
  • Following Distance Indicator
  • Forward Collision Alert
  • Lane Departure Warning
  • Automatic Emergency Braking

AT4 Premium Plus Package ($6,975 value)

  • Power Sunroof
  • 20" Machined Aluminum Wheels

Technology Package

  • Inside Rearview Auo-Dimming Rear Camera Mirror
  • 8" Multicolor Driver Information Center
  • Multicolor 15" Diagonal Head-Up Display

Preferred Equipment Group 4SB

  • Power Front Passenger Windows with Express Up/down
  • Power Rear Windows with Express Down
  • Deep-Tinted Glass
  • Keyless Open and Start
  • Power Door Locks
  • Power Windows with Driver Express Up/down
  • Rear Wheelhouse Liners
  • Rear Premium Floor Liners with Removable Carpet Insert
  • Front Premium Floor Liners with Removable Carpet Insert
  • Remote Vehicle Starter System
  • Electric Rear-Window Defogger
  • Spray-On Pickup Box Bed Liner with AT4 Logo
  • Compass Located in Instrument Cluster
  • Floor-Mounted Center Console
  • Painted Black Surround Grille
  • Integrated Trailer Brake Controller
  • Heated Driver and Front Outboard Passenger Seats
  • Heated 2nd Row Outboard Seats
  • 120-Volt Bed Mounted Power Outlet
  • 120-Volt Instrument Panel Power Outlet
  • 12-Volt Rear Auxiliary Power Outlet
  • Heated and Ventilated Front Bucket Seats
  • 6.6L V8 with Direct Injection and Variable Valve Timing Engine
  • 2 USB Ports
  • 2 USB Ports (1st Row)
  • Electrical Lock Control Steering Column
  • Manual Tilt-Wheel/telescoping Steering Column
  • 2-Speed Active Transfer Case
  • ProGrade Trailering System
  • 4.2" Diagonal Color Display Driver Info Center
  • OnStar and GMC Connected Services Capable
  • LED Cargo Area Lighting
  • Red Recovery Hooks
  • Steering Wheel Audio Controls
  • 2nd Row Dual USB Charge-Only Ports
  • Unauthorized Entry Theft-Deterrent System
  • HD Rear Vision Camera
  • Wireless Phone Projection
  • X31 Off-Road Package

AT4 Preferred Package

  • Power Sliding Rear Window with Defogger
  • Premium GMC Infotainment System Radio with Navigation
  • Wireless Charging
  • LED Smoked Amber Roof Marker Lamps
  • Universal Home Remote
  • Bose Premium 7 Speaker Sound System
  • Bed View Camera with Two Trailer Camera Provisions
  • HD Surround Vision

Safety and Security

  • Forward collision mitigation - Forward thinking. You look away for just a second and suddenly the vehicle in front of you has stopped. That's when the forward collision mitigation system comes to life. When it senses an impending impact, it will activate a combination of features to help prevent or reduce the severity of an accident. Forward collision mitigation is always looking ahead.

Technology and Telematics

  • Smart device mirroring - Smartphone, meet smart car. You can control your device through your vehicle's infotainment system. Smart device mirroring brings together safety and convenience by making it easier to find what you're looking for while keeping your eyes on the road.
  • Android Auto/Apple CarPlay smart device wireless mirroring
  • Apple CarPlay/Android Auto smart device wireless mirroring
  • Mobile hotspot - WiFi on the fly. Connect your devices to the Internet through your vehicle's private mobile hotspot and take the internet wherever your journey takes you, without eating up your data allowance. Find the hotspot with mobile hotspot.

PICKUP BED, EMISSIONS, CONNECTICUT, DELAWARE, MAINE, MARYLAND, MASSACHUSETTS, NEW JERSEY, NEW YORK, OREGON, PENNSYLVANIA, RHODE ISLAND, VERMONT AND WASHINGTON STATE REQUIREMENTS, EMISSIONS OVERRIDE, FEDERAL, ENGINE, 6.6L V8, TRANSMISSION, 6-SPEED AUTOMATIC, HEAVY-DUTY, GVWR, 10,650 LBS. (4831 KG), REAR AXLE, 3.73 RATIO, WHEELS, 20" (50.8 CM) MACHINED ALUMINUM, TIRES, LT275/65R20 ALL-TERRAIN, BLACKWALL, ONYX BLACK, SEATS, FRONT BUCKET, JET BLACK WITH KALAHARI ACCENTS, PERFORATED FRONT LEATHER SEAT TRIM, AUDIO SYSTEM, PREMIUM GMC INFOTAINMENT SYSTEM WITH NAVIGATION AND 8" DIAGONAL COLOR TOUCH-SCREEN, AT4 PREMIUM PLUS PACKAGE, AT4 PREFERRED PACKAGE, TECHNOLOGY PACKAGE, DRIVER ALERT PACKAGE I, DRIVER ALERT PACKAGE II, SUNROOF, POWER, ASSIST STEPS, POWER-RETRACTABLE, BLACK, INTELLIBEAM, AUTOMATIC HIGH BEAM ON/OFF, LAMPS, SMOKED AMBER LED ROOF MARKER, (LED), LICENSE PLATE KIT, FRONT, BOSE SOUND SYSTEM, PREMIUM 7-SPEAKER SYSTEM, DRIVER INFORMATION CENTER, ENHANCED, 8" DIAGONAL MULTICOLOR DIGITAL DISPLAY, MULTI-COLOR 15" DIAGONAL HEAD-UP DISPLAY, WINDOW, POWER, REAR SLIDING, UNIVERSAL HOME REMOTE, WIRELESS CHARGING, REAR CAMERA MIRROR, INSIDE REARVIEW AUTO-DIMMING WITH FULL CAMERA DISPLAY, AUTOMATIC EMERGENCY BRAKING, FRONT AND REAR PARK ASSIST, ULTRASONIC, HD SURROUND VISION WITH TWO TRAILER VIEW CAMERA PROVISIONS, BED VIEW CAMERA, REAR CROSS TRAFFIC ALERT, LANE CHANGE ALERT WITH SIDE BLIND ZONE ALERT, FOLLOWING DISTANCE INDICATOR, FORWARD COLLISION ALERT, LANE DEPARTURE WARNING, SAFETY ALERT SEAT

Some vehicles may have unrepaired safety recalls. Sheehy Auto Stores is not a manufacturer-authorized repair facility for all brands, but your local same-brand dealer will provide recall repair services for free.


To check for open recalls please visit https://www.nhtsa.gov/recalls?vin=1GT49PE71MF296235

CarBravo Certified vehicles are backed by reliable warranty coverage, including a 12-month/12,000-mile bumper-to-bumper limited warranty with no deductible for eligible vehicles, or a 30-day/1,000-mile powertrain limited warranty based on age and mileage. Enjoy added peace of mind with 24-hour roadside assistance, courtesy transportation during covered repairs, and nationwide service at any CarBravo dealership

DETAILS

Stock
 Z86201A
VIN
 1GT49PE71MF296235
Dealer
 Sheehy GMC of Hagerstown
Type
 Used
Year
 2021
Make
 GMC
Model
 Sierra 2500HD
Mileage
 48,122
Certified
 Yes
Trim
 AT4
Body
 Crew Cab Pickup
Body Style
 Crew Cab Pickup
Transmission
 6-SPEED AUTOMATIC, HEAVY-DUTY
Cylinders
 8
Drivetrain
 Four Wheel Drive
Fuel Type
 Gasoline Fuel
Exterior Color
 Onyx Black
Interior Color
 Jet Black with Kalahari Accents
Portions of the data provided are © 2026 Autodata, Inc. dba ChromeData
Open Recall Look-Up

EQUIPMENT DETAIL

Generic
  • 4G LTE Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
  • Air conditioning, dual-zone automatic climate control
  • Air filter, heavy-duty
  • Air filtration monitoring
  • Air vents, rear
  • Airbags, dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)
  • Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
  • Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
  • Audio system feature, 6-speaker system
  • Auto-locking rear differential
  • Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr, maintenance-free with rundown protection and retained accessory power (Included and only available with (L8T) 6.6L V8 gas engine.)
  • Bed Liner, Spray-on, Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (AT4 logo replaces GMC logo. Not available with any Ship Thrus EXCEPT (VSH), (VTV), (TCH) or (TCE).)
  • Bed Step, Black integrated on forward portion of bed on driver and passenger side
  • Brake lining wear indicator
  • Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
  • Bumper, front, body-color lower
  • Bumper, rear body-color with bumper CornerSteps
  • Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)
  • Cargo tie downs (12), fixed rated at 500 lbs per corner
  • Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
  • Compass, located in instrument cluster
  • Cooling, auxiliary external transmission oil cooler
  • Cooling, external engine oil cooler
  • CornerStep, rear bumper
  • Cruise control, steering wheel-mounted
  • Door handles, body-color
  • Driver Information Center, 4.2" diagonal color display includes driver personalization
  • Driver memory recalls driver "presets" for power driver seat and outside mirrors
  • Engine, 6.6L V8 with Direct Injection and Variable Valve Timing, gasoline, (401 hp [299 kW] @ 5200 rpm, 464 lb-ft of torque [629 N-m] @ 4000 rpm)
  • Exterior Temperature Display, located in radio display
  • Floor covering, color-keyed carpeting
  • Fog lamps, LED
  • Four wheel drive
  • Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
  • Glass, deep-tinted
  • GMC Connected Access capable (Subject to terms. See onstar.com or dealer for details)
  • Grille (Painted Black surround with high gloss Black mesh and Black chrome inserts.)
  • GVWR, 10,650 lbs. (4831 kg) (Included and only available with TK20743 model and (L8T) 6.6L V8 gas engine with 18" or 20" wheels or TK20943 and (L8T) 6.6L V8 gas engine with 17" wheels.)
  • Hill Descent Control
  • Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
  • In-vehicle Trailering App, System includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder, trailer electrical diagnostics and Trailer Tire Pressure Monitor System module (Includes trailer tire pressure monitoring alert ONLY when (PTT) trailer tire pressure monitor system is factory ordered and sensors are installed.)
  • Instrument cluster, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
  • Lamps, cargo area cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
  • LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
  • Mirror caps, high gloss Black
  • Mirrors, outside power-adjustable vertical trailering with heated and auto-dimming upper glass, (driver and passenger) lower convex mirrors, turn signal indicators, puddle lamps, perimeter lighting, auxiliary lighting, power folding/extending (extends 3.31" [84.25mm]) (Molded in color Black.)
  • Moldings, beltline, Black
  • Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
  • Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
  • ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (U1D) In-vehicle Trailering App
  • Radio, HD
  • Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
  • Rear seat reminder
  • Recovery hooks, Red
  • Remote vehicle starter system
  • Seat adjuster, driver 10-way power including lumbar
  • Seat adjuster, passenger 10-way power including lumbar
  • Seat, Up-level Rear with Storage Package, 60/40 folding bench for Crew Cab models, includes full-length bench seat, seatback storage on left and right side, center fold out armrest with 2 cupholders, full cab width under-seat storage, (includes child seat top tether anchor)
  • Seats, heated second row outboard seats
  • Skid Plates protect the oil pan, front axle and transfer case
  • StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
  • Steering column, lock control, electrical
  • Steering column, manual Tilt-Wheel and telescoping
  • Steering wheel audio controls
  • Steering wheel, heated
  • Steering wheel, leather-wrapped
  • Steering, Digital Variable Steering Assist this system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue
  • Suspension, Off-Road includes twin-tube shocks
  • Tailgate and bed rail protection caps, top
  • Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
  • Tailgate, GMC MultiPro Tailgate with six functional load/access features
  • Taillamps, LED signature taillight with LED stop and reverse light
  • Teen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to help encourage safe driving behavior. It can limit certain available vehicle features, and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver
  • Theft-deterrent system, unauthorized entry
  • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
  • Tire, spare LT275/70R18 all-terrain, blackwall
  • Trailer brake controller, integrated
  • Transfer case, two-speed active, electronic Autotrac with push button control
  • USB ports, dual, charge-only (2nd row)
  • Wheelhouse liners, rear
  • X31 Off-Road Package includes (JHD) Hill Descent Control, (NZZ) skid plates, Off-Road suspension and Twin-tube Rancho shocks
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Options
  • ASSIST STEPS POWER-RETRACTABLE BLACK
  • AT4 PREFERRED PACKAGE
  • AT4 PREMIUM PLUS PACKAGE
  • AUDIO SYSTEM PREMIUM GMC INFOTAINMENT SYSTEM WITH NAVIGATION AND 8" DIAGONAL COLOR TOUCH-SCREEN
  • AUTOMATIC EMERGENCY BRAKING
  • BED VIEW CAMERA
  • BOSE SOUND SYSTEM PREMIUM 7-SPEAKER SYSTEM
  • DRIVER ALERT PACKAGE I
  • DRIVER ALERT PACKAGE II
  • DRIVER INFORMATION CENTER ENHANCED 8" DIAGONAL MULTICOLOR DIGITAL DISPLAY
  • EMISSIONS CONNECTICUT DELAWARE MAINE MARYLAND MASSACHUSETTS NEW JERSEY NEW YORK OREGON PENNSYLVANIA RHODE ISLAND VERMONT AND WASHINGTON STATE REQUIREMENTS
  • EMISSIONS OVERRIDE FEDERAL
  • ENGINE 6.6L V8
  • FOLLOWING DISTANCE INDICATOR
  • FORWARD COLLISION ALERT
  • FRONT AND REAR PARK ASSIST ULTRASONIC
  • GVWR 10650 LBS. (4831 KG)
  • HD SURROUND VISION WITH TWO TRAILER VIEW CAMERA PROVISIONS
  • INTELLIBEAM AUTOMATIC HIGH BEAM ON/OFF
  • JET BLACK WITH KALAHARI ACCENTS PERFORATED FRONT LEATHER SEAT TRIM
  • LAMPS SMOKED AMBER LED ROOF MARKER (LED)
  • LANE CHANGE ALERT WITH SIDE BLIND ZONE ALERT
  • LANE DEPARTURE WARNING
  • LICENSE PLATE KIT FRONT
  • MULTI-COLOR 15" DIAGONAL HEAD-UP DISPLAY
  • ONYX BLACK
  • PICKUP BED
  • REAR AXLE 3.73 RATIO
  • REAR CAMERA MIRROR INSIDE REARVIEW AUTO-DIMMING WITH FULL CAMERA DISPLAY
  • REAR CROSS TRAFFIC ALERT
  • SAFETY ALERT SEAT
  • SEATS FRONT BUCKET
  • SUNROOF POWER
  • TECHNOLOGY PACKAGE
  • TIRES LT275/65R20 ALL-TERRAIN BLACKWALL
  • TRANSMISSION 6-SPEED AUTOMATIC HEAVY-DUTY
  • UNIVERSAL HOME REMOTE
  • WHEELS 20" (50.8 CM) MACHINED ALUMINUM
  • WINDOW POWER REAR SLIDING
  • WIRELESS CHARGING
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We keep it Easy at Sheehy with straightforward online pricing. We do not add additional reconditioning or certification fees to our posted online pricing; a majority of our competitors will add these fees to their prices. We mention this as a courtesy to help you get accurate price quotes and avoid surprises while researching your new or used vehicle. Price plus taxes and tags. ( Processing fee is included in our Sheehy Easy Price. )  Additional fees may apply to new vehicles transferred from other locations. A $100 transfer fee will be added to the price of all used vehicles transferred in from other locations. An additional $100 will be applied to vehicles transferred over 50 miles. Sheehy Value pre-owned vehicles are NON-transferable. While every reasonable effort is made to ensure the accuracy of this information, we are not responsible for any errors or omissions contained on these pages. Please verify any information in question with Sheehy Auto Stores before purchase. All vehicles are subject to prior sale. Quoted price available on in-stock units only.  Financing is subject to approved credit through a designated lender. Some manufacturer rebates are not compatible with manufacturer finance offers. Manufacturer Rebates and incentives are valid during the time period set by the manufacturer and are subject to change without notice. Additional manufacturer rebates and incentives may apply to those who qualify and may lower the sales price. Home/office vehicle delivery up to 100 miles. See dealer for details. 

Wholesale to Public: Sheehy Auto Stores Wholesale to the Public offers affordable transportation solutions. Wholesale to Public vehicles have undergone the Virginia State Safety inspection only. You are entitled to a test drive and a pre-purchase inspection by your own mechanic. Wholesale to Public vehicles are likely to have mechanical and or cosmetic defects. Financing is available on approved credit; a down payment may be required. Wholesale to Public vehicles are sold strictly “AS IS”. Wholesale to Public vehicles are likely to have multiple and/or cosmetic defects. The term “AS IS” means that there is NO expressed or implied warranty. There is no return policy for Wholesale to Public vehicles. - NOT TRANSFERABLE.

*These estimates reflect new EPA methods beginning with 2008 models. Your actual mileage will vary depending on how you drive and maintain your vehicle. Actual mileage will vary with options, driving conditions, driving habits, and vehicle conditions. Mileage estimates may be derived from the previous year's model.