The 2021 GMC Sierra 2500HD AT4 is a rugged and capable heavy-duty pickup truck that blends off-road readiness, premium features, and impressive towing performance. Its bold exterior, featuring a distinctive grille, aggressive body lines, skid plates, and AT4 badging, exudes confidence on every terrain.
Powered by a 6.6-liter V8 engine paired with a smooth automatic transmission, the Sierra 2500HD AT4 delivers strong acceleration, exceptional towing and payload capacity, and reliable handling. Advanced off-road features, including an off-road suspension, hill descent control, and four-wheel drive, ensure superior traction and control in challenging conditions.
Inside, the cabin offers spacious seating for up to six passengers with high-quality materials and driver-focused amenities. Highlights include a touchscreen infotainment system with Apple CarPlay and Android Auto, leather-trimmed heated seats, multi-zone climate control, and advanced driver-assistance technologies, providing comfort, convenience, and safety on every journey.
The 2021 GMC Sierra 2500HD AT4 combines rugged capability, advanced technology, and premium comfort, making it an ideal choice for drivers seeking a heavy-duty truck ready for both work and adventure.
JONES CERTIFIED USED CAR DETAIL: -Qualifies for Jones for Life Program -30 day/1000 mile Limited Warranty with $0 Deductible -Free Carfax Report -155 Point Inspection -Jones Inspection exceeds Maryland's minimum requirements -Thorough Interior and Exterior Detail -Factory Trained Technician -Checked for Factory Recalls -Clean Title.
Jones Junction is proud to be a family-run automotive business serving the Harford County and surrounding Maryland, Pennsylvania and Delaware communities for over 100 consecutive years! The Jones family believes their success lies in focused dedication to hard work and integrity. Their goal is not simply to sell a car; it is to create a lifelong partnership with their customers. All prices plus Taxes, Tags, and $800 Dealer Processing fee, not required by law, Feel free to visit us at WWW.JONESJUNCTION.COM, or come by today at 1713 Harford Rd Fallston, MD. 21047.
Used 2021 GMCSierra 2500 HD AT4 Truck Crew Cab
- Exterior Color
- Onyx Black
- Interior Color
- Jet Black
- Odometer
- 82,162 miles
- Body/Seating
- Truck Crew Cab/5 seats
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4WD
- Engine
- V-8 cyl
- VIN
- 1GT49PEYXMF317110
- Stock Number
- CP9078A
Highlighted Features
- Leather upholstery
- Automatic temperature control
- Premium audio system
- Wireless phone connectivity
- Front dual zone A/C
- Auto-dimming rearview mirror
- Split folding rear seat
- Memory seat
- Heated front seats
- Ventilated front seats
- Perimeter/approach lights
- Remote keyless entry
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Included Packages & Accessories
- 6 Speakers
- AM/FM radio: SiriusXM with 360L
- Premium audio system: Premium GMC Infotainment System
- Air Conditioning
- Automatic temperature control
- Front dual zone A/C
- Rear window defroster
- Memory seat
- Power driver seat
- Power steering
- Power windows
- Remote keyless entry
- Steering wheel mounted audio controls
- Speed-sensing steering
- Traction control
- 4-Wheel Disc Brakes
- ABS brakes
- Dual front impact airbags
- Dual front side impact airbags
- Front anti-roll bar
- Front wheel independent suspension
- Low tire pressure warning
- Occupant sensing airbag
- Overhead airbag
- Pickup Box
- Brake assist
- Electronic Stability Control
- Delay-off headlights
- Front fog lights
- Fully automatic headlights
- Panic alarm
- Security system
- Speed control
- Engine Block Heater
- Exhaust Brake
- Heavy-Duty 80 Amp Battery
- Auto-dimming door mirrors
- Black Sport Step (LPO)
- Bumpers: body-color
- Heated door mirrors
- LED Smoked Amber Roof Marker Lamps
- Power door mirrors
- Rear step bumper
- Turn signal indicator mirrors
- Winter Grille Cover
- 2 USB Ports (1st Row)
- Apple CarPlay/Android Auto
- Auto-dimming Rear-View mirror
- Compass
- Driver door bin
- Driver vanity mirror
- Front reading lights
- Heated steering wheel
- Illuminated entry
- Outside temperature display
- Overhead console
- Passenger vanity mirror
- Rear reading lights
- Rear seat center armrest
- Tachometer
- Telescoping steering wheel
- Tilt steering wheel
- Trip computer
- Voltmeter
- Front Center Armrest
- Heated front seats
- Heated rear seats
- Perforated Leather-Appointed Front Seat Trim
- Power passenger seat
- Split folding rear seat
- Ventilated Front Seats
- Passenger door bin
- 5th Wheel & Gooseneck Trailer Wiring Provisions
- Hitch Guidance w/Hitch View
- In-Vehicle Trailering System App
- 18" Machined Aluminum Wheels
- Alloy wheels
- Variably intermittent wipers
- 3.42 Axle Ratio
- 3.73 Rear Axle Ratio
- Preferred Equipment Group 4SB
- Snow Plow Prep/Camper Package
- X31 Off-Road Package
- 6-Speaker Audio System Feature
- HD Radio
- Radio: AM/FM w/Premium GMC Infotainment System
- SiriusXM w/360L
- Steering Wheel Audio Controls
- Electric Rear-Window Defogger
- 12-Volt Rear Auxiliary Power Outlet
- 120-Volt Bed Mounted Power Outlet
- 120-Volt Instrument Panel Power Outlet
- Driver Memory
- Power Windows w/Driver Express Up/Down
- Remote Vehicle Starter System
- Manual Tilt-Wheel/Telescoping Steering Column
- Off-Road Suspension
- Electrical Lock Control Steering Column
- Keyless Open & Start
- Power Door Locks
- Hill Descent Control
- Unauthorized Entry Theft-Deterrent System
- 2-Speed Active Transfer Case
- 220 Amps Alternator
- LED Cargo Area Lighting
- Painted Black Surround Grille
- Rear Wheelhouse Liners
- Spray-On Pickup Box Bed Liner w/AT4 Logo
- 2 USB Ports
- 2nd Row Dual USB Charge-Only Ports
- 4.2" Diagonal Color Display Driver Info Center
- 4G LTE Wi-Fi Hotspot Capable
- Compass Located In Instrument Cluster
- Floor-Mounted Center Console
- Front Prem Floor Liners w/Removable Carpet Insert
- GMC Connected Access Capable
- HD Rear Vision Camera
- OnStar & GMC Connected Services Capable
- Rear Prem Floor Liners w/Removable Carpet Insert
- Wireless Phone Projection
- 10-Way Power Driver Seat Adjuster w/Lumbar
- 10-Way Power Passenger Seat Adjuster w/Lumbar
- Front Bucket Seats
- Heated & Ventilated Front Bucket Seats
- Heated 2nd Row Outboard Seats
- Heated Driver & Front Outboard Passenger Seats
- Integrated Trailer Brake Controller
- Deep-Tinted Glass
- Power Front Passenger Windows w/Express Up/Down
- Power Rear Windows w/Express Down
Standard Specifications
- 1-touch down
- 1-touch up
- Air conditioning
- Auto-dimming rearview mirror
- Automatic temperature control
- Driver door bin
- Driver vanity mirror
- Front beverage holders
- Front dual zone A/C
- Heated steering wheel
- Illuminated entry
- Memory seat
- Overhead console
- Passenger door bin
- Passenger vanity mirror
- Power windows
- Proximity key: doors and push button start
- Rear beverage holders
- Rear door bins
- Remote engine start: keyfob
- Remote keyless entry
- Speed control
- Telescoping steering wheel
- Tilt steering wheel
- Alloy wheels
- Front anti-roll bar
- Front wheel independent suspension
- Power steering
- Single rear wheels
- Speed-sensing steering
- Tires: all-terrain
- 1st row LCD monitors: 2
- AM/FM radio: SiriusXM with 360L
- Premium audio system: Premium GMC Infotainment System
- Primary LCD size: 8.0"
- Smart device integration: Android Auto/Apple CarPlay
- Steering wheel mounted audio controls
- Wireless phone connectivity: Bluetooth
- Front center armrest
- Front seats: bucket
- Heated front seats
- Heated rear seats
- Leather upholstery
- Max seating capacity: 5
- Power 2-way driver lumbar support
- Power 2-way passenger lumbar support
- Power driver seat
- Power passenger seat
- Rear seat center armrest
- Rear seats: split-bench
- Rear seats Folding position: fold-up cushion
- Seat Upholstery: leather
- Split folding rear seat
- Ventilated front seats
- Cylinder configuration: V-8
- Drive type: four-wheel
- Engine liters: 6.6L
- Engine location: front
- Fuel tank capacity: 36.0gal.
- Hybrid traction battery type: none
- Manual-shift auto
- Mode select transmission
- Rear locking differential
- Standard fuel economy fuel type: gasoline
- Variable valve control
- Ground clearance (min): 257mm (10.1")
- Auto-dimming door mirrors
- Bedliner
- Bumpers: body-color
- Heated door mirrors
- Left rear passenger door: conventional
- Power door mirrors
- Rear cargo: tailgate
- Rear step bumper
- Right rear passenger: conventional
- Skid plates
- Trailer hitch receiver
- Trailer sway control
- Turn signal indicator mirrors
- Exterior body width: 2,079mm (81.8")
- Exterior height: 2,023mm (79.7")
- Exterior length: 6,352mm (250.1")
- Front headroom: 1,093mm (43.0")
- Front hiproom: 1,554mm (61.2")
- Front legroom: 1,131mm (44.5")
- Front shoulder room: 1,677mm (66.0")
- Rear headroom: 1,013mm (39.9")
- Rear hiproom: 1,530mm (60.2")
- Rear legroom: 1,102mm (43.4")
- Rear shoulder room: 1,659mm (65.3")
- Turning radius: 8.0m (26.3')
- Wheelbase: 4,037mm (158.9")
- Appearance: analog
- Compass
- Delay-off headlights
- Front fog lights
- Front reading lights
- Fully automatic headlights
- Low tire pressure warning
- Oil pressure gauge
- Outside temperature display
- Rear reading lights
- Rear window defroster
- Tachometer
- Trip computer
- Variably intermittent wipers
- Voltmeter
- 4 wheel disc brakes
- ABS brakes
- Brake assist
- Dual front impact airbags
- Dual front side impact airbags
- Electronic stability
- Ignition disable
- Occupant sensing airbag
- Overhead airbag
- Panic alarm
- Perimeter/approach lights
- Security system
- Traction control
Dealer Notes
* The advertised price does not include sales tax, vehicle registration fees, other fees required by law, finance charges and any documentation charges. A negotiable administration fee, up to $115, may be added to the price of the vehicle.
* Images, prices, and options shown, including vehicle color, trim, options, pricing and other specifications are subject to availability, incentive offerings, current pricing and credit worthiness.
The sale price shown is plus tax, state tag, and title, registration, destination/freight, and $800 documentation processing charge (not required by law). Some rebates and finance offers may not be able to combine with other rebates displayed and are based on MD titling. Finance offers are for informational purposes and are subject to credit worthiness. Please contact our sales team to answer any questions you may have at 443-686-7125. While we do everything to make sure our online prices are accurate, we are not responsible for pricing errors or mistakes. If an error is brought to our attention, we do everything possible to correct it immediately.