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2021 GMC Sierra 1500 AT4




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Vehicle Information

VIN: 3GTU9EET6MG250979
Stock #: 26385A
  • Condition Used
  • Body Style 4D Crew Cab
  • Exterior Color Onyx Black
  • Interior Color Jet Black With Kalahari Accents
  • Mileage 77,333
  • Fuel Economy
    City/Highway 22/26 MPG
  • Engine 6 Cyl - 3 L
  • Transmission 10-Speed Automatic / 4WD
  • Fuel Type Diesel

Highlighted Features

Feature availability subject to final vehicle configuration. Please reference window sticker for more info.

Dealer Comments

*EXCELLENT Service History!*, 10-Way Power Driver Seat Adjuster w/Lumbar, 12-Volt Rear Auxiliary Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 USB Ports, 2 USB Ports (1st Row), 4.2 Diagonal Color Display Driver Info Center, 4G LTE Wi-Fi Hotspot Capable, 6-Speaker Audio System Feature, 8 Driver Information Center, ABS brakes, Adaptive Cruise Control, AM/FM radio: SiriusXM with 360L, Apple CarPlay/Android Auto, AT4 Preferred Package, AT4 Value Package, Auto-Locking Rear Differential, Automatic Emergency Braking, Auxiliary External Transmission Oil Cooler, Bed View Camera, Body-Color Surround Grille, Color-Keyed Carpeting Floor Covering, Compass, Deep-Tinted Glass, Delay-off headlights, Driver Alert Package I, Driver Alert Package II, Electric Rear-Window Defogger, Electrical Lock Control Steering Column, Electronic Stability Control, Floor-Mounted Center Console, Following Distance Indicator, Forward Collision Alert, Front anti-roll bar, Front Bucket Seats, Front dual zone A/C, Front Pedestrian Braking, Front Prem Floor Liners w/Removable Carpet Insert, GMC Connected Access Capable, HD Rear Vision Camera, HD Surround Vision w/2 Trailer View Camera Provisions, Heated Driver & Front Outboard Passenger Seating, Heated steering wheel, Heavy-Duty Air Filter, Hill Descent Control, Hitch Guidance, Hitch Guidance w/Hitch View, Illuminated entry, Integrated Trailer Brake Controller, IntelliBeam Automatic High Beam On/Off, Keyless Open & Start, Lane Keep Assist w/Lane Departure Warning, LED Cargo Area Lighting, Manual Tilt-Wheel & Telescoping Steering Column, Memory seat, Multicolor 15 Diagonal Head-Up Display, Occupant sensing airbag, Off-Road Suspension, OnStar & GMC Connected Services Capable, Outside temperature display, Power Door Locks, Power driver seat, Power Front Passenger Windows w/Express Up/Down, Power Front Windows w/Driver Express Up/Down, Power Rear Windows w/Express Down, Power Sliding Rear Window w/Rear Defogger, Power Sunroof, Preferred Equipment Group 4SB, Premium Bose 7-Speaker Sound System, ProGrade Trailering System, Radio: Premium GMC Infotainment Sys w/Multi-Touch, Radio: Premium GMC Infotainment Sys w/Navigation, Rear Camera Mirror, Rear Dual USB Charging-Only Ports, Rear Wheelhouse Liners, Red Recovery Hooks, Remote Vehicle Starter System, Safety Alert Seat, SiriusXM w/360L, Split folding rear seat, Spray-On Pickup Bed Liner w/AT4 Logo, Steering Wheel Audio Controls, Technology Package, Theft Deterrent System (Unauthorized Entry), Trailering Package, Universal Home Remote, Ventilated Driver & Front Passenger Seats, Wireless Charging.

Clean CARFAX. CARFAX One-Owner.


Onyx Black 2021 GMC Sierra 1500 AT4 4D Crew Cab 4WD 10-Speed Automatic 3.0L I6 22/26 City/Highway MPG


Marty’s Buick GMC is a family-owned car dealership that has been earning the trust of the Kingston community one customer at a time for over 70 years. Marty's Buick GMC offers a car-buying experience like no other. We have a huge selection of cars, SUVs and crossovers, and we provide elite customer service and world-class amenities. That's the Marty's Buick GMC difference! Don't hesitate, pick up the phone and call us now at 781-585-7570 and speak with a member of our customer friendly sales team to schedule the test drive of YOUR next NEW or PRE-OWNED vehicle!

Eligible Benefits

All Features

  • AT4 Preferred Package
  • AT4 Value Package
  • Driver Alert Package I
  • Driver Alert Package II
  • Preferred Equipment Group 4SB
  • Technology Package
  • Trailering Package
  • 6 Speakers
  • 6-Speaker Audio System Feature
  • AM/FM radio: SiriusXM with 360L
  • Premium audio system: GMC Infotainment System
  • Premium Bose 7-Speaker Sound System
  • Radio data system
  • Radio: Premium GMC Infotainment Sys w/Multi-Touch
  • Radio: Premium GMC Infotainment Sys w/Navigation
  • SiriusXM w/360L
  • Steering Wheel Audio Controls
  • Air Conditioning
  • Automatic temperature control
  • Electric Rear-Window Defogger
  • Front dual zone A/C
  • Rear window defroster
  • 12-Volt Rear Auxiliary Power Outlet
  • 120-Volt Bed Mounted Power Outlet
  • 120-Volt Instrument Panel Power Outlet
  • Driver Memory
  • Memory seat
  • Power driver seat
  • Power Front Passenger Windows w/Express Up/Down
  • Power Front Windows w/Driver Express Up/Down
  • Power Rear Windows w/Express Down
  • Power steering
  • Power windows
  • Remote keyless entry
  • Remote Vehicle Starter System
  • Steering wheel mounted audio controls
  • Universal Home Remote
  • Auto-Locking Rear Differential
  • Electrical Lock Control Steering Column
  • Manual Tilt-Wheel & Telescoping Steering Column
  • Off-Road Suspension
  • 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
  • Keyless Open & Start
  • Low tire pressure warning
  • Occupant sensing airbag
  • Overhead airbag
  • Power Door Locks
  • Power Sunroof
  • Brake assist
  • Electronic Stability Control
  • Hill Descent Control
  • Delay-off headlights
  • Front fog lights
  • Fully automatic headlights
  • Perimeter Lighting
  • Panic alarm
  • Security system
  • Theft Deterrent System (Unauthorized Entry)
  • Adaptive Cruise Control
  • Speed control
  • 170 Amp Alternator
  • 220 Amp Alternator
  • Auxiliary External Transmission Oil Cooler
  • Engine Block Heater
  • Heavy-Duty Air Filter
  • Auto-dimming door mirrors
  • Body-Color Surround Grille
  • Bumpers: body-color
  • Front License Plate Kit
  • Heated door mirrors
  • IntelliBeam Automatic High Beam On/Off
  • LED Cargo Area Lighting
  • Power door mirrors
  • ProGrade Trailering System
  • Rear step bumper
  • Rear Wheelhouse Liners
  • Spray-On Pickup Bed Liner w/AT4 Logo
  • 2 USB Ports
  • 2 USB Ports (1st Row)
  • 4.2" Diagonal Color Display Driver Info Center
  • 4G LTE Wi-Fi Hotspot Capable
  • 8" Driver Information Center
  • Apple CarPlay/Android Auto
  • Auto-dimming Rear-View mirror
  • Automatic Emergency Braking
  • Bed View Camera
  • Color-Keyed Carpeting Floor Covering
  • Compass
  • Driver door bin
  • Driver vanity mirror
  • Floor-Mounted Center Console
  • Following Distance Indicator
  • Forward Collision Alert
  • Front Pedestrian Braking
  • Front Prem Floor Liners w/Removable Carpet Insert
  • Front reading lights
  • GMC Connected Access Capable
  • HD Rear Vision Camera
  • HD Surround Vision w/2 Trailer View Camera Provisions
  • Heated steering wheel
  • Illuminated entry
  • Lane Change Alert w/Side Blind Zone Alert
  • Lane Keep Assist w/Lane Departure Warning
  • Multicolor 15" Diagonal Head-Up Display
  • OnStar & GMC Connected Services Capable
  • Outside temperature display
  • Overhead console
  • Passenger vanity mirror
  • Rear Camera Mirror
  • Rear Cross Traffic Alert
  • Rear Dual USB Charging-Only Ports
  • Rear Prem Floor Liners w/Removable Carpet Insert
  • Rear reading lights
  • Rear seat center armrest
  • Safety Alert Seat
  • Tachometer
  • Telescoping steering wheel
  • Tilt steering wheel
  • Trip computer
  • Ultrasonic Front & Rear Park Assist
  • Voltmeter
  • Wireless Charging
  • 10-Way Power Driver Seat Adjuster w/Lumbar
  • 10-Way Power Passenger Seat Adjuster w/Lumbar
  • Front Bucket Seats
  • Front Center Armrest
  • Heated Driver & Front Outboard Passenger Seating
  • Heated front seats
  • Perforated Leather-Appointed Front Seat Trim
  • Power passenger seat
  • Split folding rear seat
  • Ventilated Driver & Front Passenger Seats
  • Ventilated front seats
  • Passenger door bin
  • Hitch Guidance
  • Hitch Guidance w/Hitch View
  • In-Vehicle Trailering App
  • Integrated Trailer Brake Controller
  • Red Recovery Hooks
  • 18" x 8.5" Machined Aluminum Wheels
  • Alloy wheels
  • Deep-Tinted Glass
  • Power Sliding Rear Window w/Rear Defogger
  • Variably intermittent wipers
  • 3.23 Rear Axle Ratio
  • *EXCELLENT Service History!*
  • Bluetooth®
  • Rear View Camera
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Image may not represent actual vehicle. (Options, colors, trim and body style may vary). Special finance offers may not be combined with other incentives. Commercial vehicle prices may not reflect body up fit unless noted. Please verify all pricing with dealer

The Manufacturer's Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

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