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2021 GMC Sierra 1500
$35,682
(301) 683-5240
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2021 GMC Sierra 1500 AT4 4D Crew Cab

EcoTec3 5.3L V8, AT4, 10-Speed Automatic, 3GTP9EED9MG363170
Stock Z85155A
Dealer Sheehy Hagerstown Subaru/VW/Mazda/Buick/GMC
Sheehy Easy Price
$35,682
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8 Cyl
10-Speed Automatic
3GTP9EED9MG363170
Satin Steel Metallic
Jet Black With Kalahari Accents Interior
15/21 mpg

ABOUT THIS VEHICLE

2021 GMC Sierra 1500 AT4 4WD at Sheehy GMC of Hagerstown! This Sierra 1500 has an exterior color of Satin Steel Metallic with Jet Black With Kalahari Accents Leather interior. This preowned GMC Sierra 1500 is equipped with amazing options like: Preferred Equipment Group 4SB (12-Volt Rear Auxiliary Power Outlet, 120-Volt Instrument Panel Power Outlet, 170 Amp Alternator, 2 USB Ports, 2 USB Ports (1st Row), 4.2" Diagonal Color Display Driver Info Center, 4G LTE Wi-Fi Hotspot Capable, Auto-Locking Rear Differential, Auxiliary External Transmission Oil Cooler, Body-Color Surround Grille, Color-Keyed Carpeting Floor Covering, Compass, Deep-Tinted Glass, Electric Rear-Window Defogger, Electrical Lock Control Steering Column, Floor-Mounted Center Console, Front Prem Floor Liners w/Removable Carpet Insert, GMC Connected Access Capable, HD Rear Vision Camera, Heated Driver & Front Outboard Passenger Seating, Heavy-Duty Air Filter, Hill Descent Control, Integrated Trailer Brake Controller, Keyless Open & Start, LED Cargo Area Lighting, Manual Tilt-Wheel & Telescoping Steering Column, OnStar & GMC Connected Services Capable, Power Door Locks, Power Front Passenger Windows w/Express Up/Down, Power Front Windows w/Driver Express Up/Down, Power Rear Windows w/Express Down, ProGrade Trailering System, Rear Dual USB Charging-Only Ports, Rear Wheelhouse Liners, Red Recovery Hooks, Remote Vehicle Start, Spray-On Pickup Bed Liner w/AT4 Logo, Steering Wheel Audio Controls, Theft Deterrent System (Unauthorized Entry), and Ventilated Driver & Front Passenger Seats), Trailering Package, and Bumpers: body-color. CARFAX One-Owner.

Certification Program Details: Sheehy Value Car located at Sheehy Auto Mall of Hagerstown only!

All our Sheehy Value Cars come with a 30 Day/1,000-mile warranty, upfront clear and Sheehy-It’s Easy Pricing, CarFax history report, backed by our 5 day/300 mile money-back guarantee and pass Maryland inspection. See Sheehy Auto Mall for details. This vehicle is non-transferable to other Sheehy Locations.

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=3GTP9EED9MG363170#vin.

DETAILS

Stock
 Z85155A
VIN
 3GTP9EED9MG363170
Dealer
 Sheehy Hagerstown Subaru/VW/Mazda/Buick/GMC
Type
 Used
Year
 2021
Make
 GMC
Model
 Sierra 1500
Mileage
 115,526
Certified
 No
Trim
 AT4
Body
 4D Crew Cab
Body Style
 4D Crew Cab
Transmission
 10-Speed Automatic
Transmission Description
 10-Speed Automatic
Doors
 4
Cylinders
 8
Description
 EcoTec3 5.3L V8
Drivetrain
 4WD
Fuel Type
 Gasoline
Exterior Color
 Satin Steel Metallic
Interior Color
 Jet Black With Kalahari Accents
Upholstery
 Leather
EPA City
 15
EPA Highway
 21
Portions of the data provided are © 2026 Autodata, Inc. dba ChromeData

EQUIPMENT DETAIL

Generic
  • 10-Way Power Driver Seat Adjuster w/Lumbar
  • 10-Way Power Passenger Seat Adjuster w/Lumbar
  • 12-Volt Rear Auxiliary Power Outlet
  • 120-Volt Bed Mounted Power Outlet
  • 120-Volt Instrument Panel Power Outlet
  • 170 Amp Alternator
  • 18" Machined Aluminum Wheels
  • 2 USB Ports
  • 2 USB Ports (1st Row)
  • 3.23 Rear Axle Ratio
  • 4-Wheel Disc Brakes
  • 4.2" Diagonal Color Display Driver Info Center
  • 4G LTE Wi-Fi Hotspot Capable
  • 6 Speakers
  • 6-Speaker Audio System Feature
  • ABS brakes
  • Air Conditioning
  • Alloy wheels
  • AM/FM radio: SiriusXM with 360L
  • Apple CarPlay/Android Auto
  • Auto-dimming door mirrors
  • Auto-dimming Rear-View mirror
  • Auto-Locking Rear Differential
  • Automatic temperature control
  • Auxiliary External Transmission Oil Cooler
  • Black Sport Step (LPO)
  • Body-Color Surround Grille
  • Brake assist
  • Bumpers: body-color
  • Color-Keyed Carpeting Floor Covering
  • Compass
  • Deep-Tinted Glass
  • Delay-off headlights
  • Driver door bin
  • Driver Memory
  • Driver vanity mirror
  • Dual front impact airbags
  • Dual front side impact airbags
  • Electric Rear-Window Defogger
  • Electrical Lock Control Steering Column
  • Electronic Stability Control
  • Floor-Mounted Center Console
  • Front anti-roll bar
  • Front Bucket Seats
  • Front Center Armrest
  • Front dual zone A/C
  • Front fog lights
  • Front License Plate Kit
  • Front Prem Floor Liners w/Removable Carpet Insert
  • Front reading lights
  • Front wheel independent suspension
  • Fully automatic headlights
  • GMC Connected Access Capable
  • HD Rear Vision Camera
  • Heated door mirrors
  • Heated Driver & Front Outboard Passenger Seating
  • Heated front seats
  • Heated steering wheel
  • Heavy-Duty Air Filter
  • Hill Descent Control
  • Hitch Guidance
  • Hitch Guidance w/Hitch View
  • Illuminated entry
  • In-Vehicle Trailering App
  • Integrated Trailer Brake Controller
  • Keyless Open & Start
  • LED Cargo Area Lighting
  • Low tire pressure warning
  • Manual Tilt-Wheel & Telescoping Steering Column
  • Memory seat
  • Occupant sensing airbag
  • Off-Road Suspension
  • OnStar & GMC Connected Services Capable
  • Outside temperature display
  • Overhead airbag
  • Overhead console
  • Panic alarm
  • Passenger door bin
  • Passenger vanity mirror
  • Perforated Leather-Appointed Front Seat Trim
  • Power Door Locks
  • Power door mirrors
  • Power driver seat
  • Power Front Passenger Windows w/Express Up/Down
  • Power Front Windows w/Driver Express Up/Down
  • Power passenger seat
  • Power Rear Windows w/Express Down
  • Power steering
  • Power windows
  • Preferred Equipment Group 4SB
  • Premium audio system: GMC Infotainment System
  • ProGrade Trailering System
  • Radio data system
  • Radio: Premium GMC Infotainment Sys w/Multi-Touch
  • Rear Dual USB Charging-Only Ports
  • Rear Prem Floor Liners w/Removable Carpet Insert
  • Rear reading lights
  • Rear seat center armrest
  • Rear step bumper
  • Rear Wheelhouse Liners
  • Rear window defroster
  • Red Recovery Hooks
  • Remote keyless entry
  • Remote Vehicle Start
  • Security system
  • SiriusXM w/360L
  • Speed control
  • Speed-sensing steering
  • Split folding rear seat
  • Spray-On Pickup Bed Liner w/AT4 Logo
  • Steering Wheel Audio Controls
  • Steering wheel mounted audio controls
  • Tachometer
  • Telescoping steering wheel
  • Theft Deterrent System (Unauthorized Entry)
  • Tilt steering wheel
  • Traction control
  • Trailering Package
  • Trip computer
  • Variably intermittent wipers
  • Ventilated Driver & Front Passenger Seats
  • Ventilated front seats
  • Voltmeter
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What is the Sheehy Easy Price?

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This vehicle has many great features, but we understand that you still may have questions. Please use the form below to request additional information and we will respond with all the answers you need.

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We keep it Easy at Sheehy with straight-forward 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 price. We mention this as a courtesy to help you get accurate price quotes, and avoid surprises while researching for your new or used vehicle. Our Virginia locations offer pricing that excludes College, Military and loyalty rebates as dictated by the local market, while our Maryland locations include these rebates in their listed prices. Price plus tax, tags, processing fee of $799 VA/$500 MD (NOT REQUIRED BY LAW) and on new vehicles freight (except new Ford vehicles).  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 subject to prior sale. Quoted price available on in-stock units only. All prices are exclusive internet prices only. Financing is subject to approved credit through 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. See dealer for details. 

*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's condition. Mileage estimates may be derived from the previous year model.