2021 GMC Sierra 1500 AT4

  • Used
  • Diesel
$34,250Market Price
$32,020Price
View price details
Finance Terms
Brennan Buick GMC
Location Details
Call 518-310-2376
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    The overview

    Exterior Color
    Satin Steel Metallic
    Interior Color
    JET BLACK WITH KALAHARI ACCENTS, PERFORATED LEATHE
    Mileage
    113,276 miles
    Fuel Economy
    14/19 MPG City/Hwy
    Transmission
    Automatic
    Drivetrain
    4WD
    Engine
    Engine: Duramax 3.0L, Turbo-Diesel, Inline 6 Cylinder
    VIN
    1GTU9EET0MZ209361
    Stock Number
    260181A
    • Show Me the CARFAX 1-Owner Badge
    • 3-point seatbelt : Rear seat center 3-point seatbelt
    • ABS Brakes : 4-wheel antilock (ABS) brakes
    • Auto headlights : Auto on/off headlight control
    • Auto high-beam headlights : IntelliBeam auto high-beam headlights
    • Blind spot : Lane Change Alert with Side Blind Zone Alert blind spot warning
    • Brake assist system : Brake assist system
    • Brake type : 4-wheel disc brakes
    • Cab mounted cargo light : LED cab mounted cargo light
    • Camera : Aerial view camera
    • Child door locks : Manual rear child safety door locks
    • Delay off headlights : Delay-off headlights
    • Distance alert : Following Distance Indicator
    • Electronic stability control : StabiliTrak w/Proactive Roll Avoidance electronic stability control system with anti-roll
    • Fog lights : LED front fog lights
    • Front camera : Front mounted camera
    • Front impact airbag driver : Driver front impact airbag
    • Front impact airbag passenger : Passenger front impact airbag
    • Front side impact airbag driver : Seat mounted side impact driver airbag
    • Front side impact airbag passenger : Seat mounted side impact front passenger airbag
    • Head up display : Head-up display
    • Headlight type : Reflector headlights
    • Headlights : LED low and high beam headlights
    • High mount stop light : High mounted center stop light
    • Hill control : Hill Descent Control (HDC)
    • Hill start assist : Hill Start Assist (HSA)
    • Illuminated entry : Illuminated entry
    • Immobilizer : Immobilizer
    • Instrumentation display : Analog instrumentation display
    • Interior courtesy lights : Fade interior courtesy lights
    • LED brake lights : LED brake lights
    • Lane departure : Lane Keep Assist with Lane Departure Warning
    • Left camera : Left side camera
    • Low tire pressure warning : Tire specific low air pressure warning
    • Multiple headlights : Multiple enclosed headlights
    • Number of airbags : 6 airbags
    • Occupancy sensor : Airbag occupancy sensor
    • Overhead airbags : Curtain first and second-row overhead airbags
    • Parking sensors : UltraSonic front and rear parking sensors
    • Pedestrian detection : Front Pedestrian Braking
    • Perimeter approach lighting : Remote activated perimeter approach lighting
    • Pickup box camera : Pickup box camera
    • Rear camera : HD Rear Vision Camera w/Hitch View rear mounted camera
    • Rear collision warning : Rear Cross-Traffic Alert collision warning
    • Remote panic alarm : Remote panic alarm
    • Restricted driving mode/alerts : Teen Driver restricted driving mode/alerts
    • Right camera : Right side camera
    • Running lights : LED daytime running lights
    • Seatbelt pretensioners : Front seatbelt pretensioners
    • Seatbelt pretensioners number : 2 seatbelt pre-tensioners
    • Security system : Security system
    • Video rearview mirror : Video-feed rearview mirror
    • Air conditioning : Yes
    • Armrests front center : Front seat center armrest
    • Armrests rear : Rear seat center armrest
    • Cabback insulator : Cabback insulator
    • Climate control : Automatic climate control
    • Cooled front seats : Ventilated driver and front passenger seats
    • Door panel insert : Simulated wood and metal-look door panel insert
    • Door trim insert : Vinyl door trim insert
    • Driver lumbar : Driver seat with 2-way power lumbar
    • Driver seat direction : Driver seat with 8-way directional controls
    • Dual-zone front climate control : Dual-zone front climate control
    • Floor coverage : Full floor coverage
    • Floor covering : Full carpet floor covering
    • Floor mats : Rubber front and rear floor mats with carpet inserts
    • Folding rear seats : 60-40 folding rear seats
    • Front head restraint control : Manual front seat head restraint control
    • Front head restraints : Height adjustable front seat head restraints
    • Front passenger lumbar : Front passenger seat with 2-way power lumbar
    • Front seat upholstery : Leather front seat upholstery
    • Front seatback upholstery : Plastic front seatback upholstery
    • Gearshifter material : Urethane gear shifter material
    • Headliner coverage : Full headliner coverage
    • Headliner material : Cloth headliner material
    • Heated front seats : Heated driver and front passenger seats
    • Heated rear seats : Heated rear seats
    • Heated steering wheel : Heated steering wheel
    • Interior accents : Chrome interior accents
    • Number of memory settings : 2 memory settings
    • Panel insert : Metal-look instrument panel insert
    • Passenger seat direction : Front passenger seat with 8-way directional controls
    • Power driver seat controls : Driver seat power reclining, lumbar support, cushion tilt, fore/aft control and height adjustable control
    • Power passenger seat controls : Passenger seat power reclining, lumbar support, cushion tilt, fore/aft control and height adjustable control
    • Rear console climate control ducts : Rear console climate control ducts
    • Rear head restraint control : 2 rear seat head restraints
    • Rear head restraint control : Manual rear seat head restraint control
    • Rear head restraints : Height adjustable rear seat head restraints
    • Rear seat folding position : Fold-up rear seat cushion
    • Rear seat upholstery : Vinyl rear seat upholstery
    • Rear seatback upholstery : Carpet rear seatback upholstery
    • Rear seats : Split-bench rear seat
    • Rear seats fixed or removable : Fixed rear seats
    • Seating capacity : 5
    • Split front seats : Bucket front seats
    • Steering wheel material : Leather and metal-look steering wheel
    • Steering wheel telescopic : Manual telescopic steering wheel
    • Steering wheel tilt : Manual tilting steering wheel
    • Tinted windows : Deep tinted windows
    • 12V power outlets : 2 12V power outlets
    • Accessory power : Retained accessory power
    • Adaptive cruise control : Adaptive cruise control
    • All-in-one key : All-in-one remote fob and ignition key
    • Auto door locks : Auto-locking doors
    • Auto-dimming door mirror driver : Auto-dimming driver side mirror
    • Battery charge warning : Battery charge warning
    • Beverage holders : Front beverage holders
    • Beverage holders rear : Rear beverage holders
    • Brake pad warning : Brake pad wear indicator
    • Capless fuel filler : Capless fuel filler
    • Clock : Digital clock
    • Compass : Compass
    • Cruise control : Cruise control with steering wheel mounted controls
    • DEF fluid gauge : Diesel exhaust fluid (def) gauge
    • Day/Night rearview mirror : Day/Night rearview mirror
    • Door ajar warning : Door ajar warning
    • Door bins front : Driver and passenger door bins
    • Door bins rear : Rear door bins
    • Door locks : Power door locks with 2 stage unlocking
    • Door mirror with tilt-down in reverse : Power driver and passenger door mirrors with tilt down in reverse
    • Driver foot rest : Driver foot rest
    • Driver information center : Driver information center
    • Easy lift tailgate : EZ Lift
    • Easy lower tailgate : EZ Lower
    • Engine hour meter : Engine hour meter
    • Engine temperature warning : Engine temperature warning
    • Engine/electric motor temperature gauge : Engine/electric motor temperature gauge
    • Exterior 120V AC power outlet : 1 exterior 120V AC power outlet
    • First-row windows : Power first-row windows
    • Floor console : Full floor console
    • Floor console storage : Covered floor console storage
    • Fob engine controls : Smart key with hands-free access and push button start
    • Folding door mirrors : Power folding door mirrors
    • Front reading lights : Front reading lights
    • Garage door opener : Garage door opener
    • Glove box : Locking glove box
    • Headlights on reminder : Headlights on reminder
    • Heated door mirrors : Heated driver and passenger side door mirrors
    • Ignition type : Push-button
    • Inclinometer : Inclinometer
    • Integrated tailgate step : Integrated tailgate step
    • Interior 120V AC power outlets : 1 interior 120V AC power outlet
    • Key in vehicle warning : Key in vehicle warning
    • Keyfob cargo controls : Keyfob trunk control
    • Keyfob keyless entry : Keyfob keyless entry
    • Keyfob remote start : Keyfob remote start
    • Keyfob window controls : Keyfob window control
    • Low level warnings : Low level warning for oil, coolant, fuel, washer fluid, brake fluid and diesel exhaust fluid (DEF)
    • Memory settings : Memory settings include: door mirrors
    • Number of beverage holders : 6 beverage holders
    • Oil pressure gauge : Oil pressure gauge
    • Oil pressure warning : Oil pressure warning
    • One-touch down window : Front and rear one-touch down windows
    • One-touch up window : Driver and passenger one-touch up windows
    • Overhead console : Mini overhead console
    • Overhead console storage : Overhead console storage
    • Passenger doors rear left : Conventional left rear passenger door
    • Passenger doors rear right : Conventional right rear passenger door
    • Rear cargo door : MultiPro Tailgate tailgate
    • Rear reading lights : Rear reading lights
    • Rear seat check warning : Rear seat check warning
    • Rear seat direction : Front facing rear seat
    • Rear window defroster : Rear window defroster
    • Rear windshield : Power rear windshield
    • Rearview mirror : Auto-dimming rear view mirror
    • Seatback storage pockets : 2 seatback storage pockets
    • Second-row windows : Power second-row windows
    • Service interval warning : Service interval indicator
    • Speedometer : Redundant digital speedometer
    • Steering mounted audio control : Steering wheel mounted audio controls
    • Tachometer : Tachometer
    • Tailgate control : Tailgate/power door lock
    • Temperature display : Exterior temperature display
    • Tire pressure : Tire Fill Alert tire pressure fill assist
    • Transmission fluid temperature warning : Transmission fluid temp warning
    • Transmission temperature gauge : Transmission fluid temperature gauge
    • Trip computer : Trip computer
    • Trip odometer : Trip odometer
    • Turn signal warning : Turn signal on warning
    • Under seat tray rear : Rear under seat tray
    • Variable panel light : Variable instrument panel light
    • Visor driver mirror : Driver visor mirror
    • Visor illuminated driver mirror : Illuminated driver visor mirror
    • Visor illuminated passenger mirror : Illuminated passenger visor mirror
    • Visor passenger mirror : Passenger visor mirror
    • Voltmeter : Voltmeter
    • Wipers : Variable intermittent front windshield wipers
    • Wireless device charging : Front wireless smart device charging
    • Bed extender : Pickup bed extender
    • Bed liner : Spray-in pickup bed liner
    • Bed-rail protectors : Pickup bed-rail protectors
    • Body panels : Galvanized steel/aluminum/composite body panels with side impact beams
    • Box style : Standard composite style pickup box
    • Bumper rub strip front : Black front bumper rub strip
    • Bumpers front : Body-colored front bumper
    • Bumpers rear : Body-colored rear bumper
    • Door handle material : Body-colored door handles
    • Door mirror style : Black door mirrors
    • Door mirror type : Standard style side mirrors
    • Fenders : Black fender flares
    • First-row sunroof : First-row sliding and tilting glass sunroof with express open/close activation sunshade
    • In-box lighting : LED in-box lighting
    • License plate front bracket : Front license plate bracket
    • Number of doors : 4 doors
    • Paint : Metallic paint
    • Rear bumper step : CornerStep rear bumper step
    • Side steps : Side assist steps
    • Skid plate : 2 underbody skid plates
    • Spare tire : Full-size spare tire with steel wheel
    • Spare tire location : Crank-down spare tire
    • Special paint : Monotone paint
    • Tow hooks front : 2 front tow hooks
    • Towing brake controller : Trailer brake controller
    • Towing class : Class IV tow rating
    • Towing hitch : Trailer hitch
    • Towing hitch light : Trailer hitch light
    • Towing trailer sway : Trailer Sway Control (TSC) trailer sway control
    • Towing wiring harness : Trailer wiring harness
    • Trailer light malfunction warning : GMC ProGrade Trailering System trailer light malfunction warning
    • Trailer light test : GMC ProGrade Trailering System trailer light test
    • Trailer theft alarm : GMC ProGrade Trailering System trailer theft alarm
    • Vehicle and trailer reverse assist : Trailering Assist Guidelines vehicle and trailer reverse assist with visual graphic guidance only
    • Vehicle to trailer hitching assist : Hitch Guidance vehicle to trailer hitching assist
    • Wheels : 18 x 8.5-inch front and rear machined w/painted accents aluminum wheels
    • Window Trim : Black side window trim
    • Emissions : Mass emissions
    • Emissions tiers : Tier 2 Bin 5 emissions
    • Fuel economy (city/highway/combined) : 22/26/24 MPG
    • Amplifier : Amplifier
    • Antenna : Fixed audio antenna
    • Aux input jack : Auxiliary input jack
    • Exterior speakers : 2 exterior speakers
    • External memory : Premium GMC Infotainment System external memory control
    • Internet radio capability : Internet radio capability
    • Number of first-row screens : 2 total number of 1st row displays
    • Primary display size : 8 inch primary display
    • Primary display touchscreen : Primary monitor touchscreen
    • RDS : Radio data system (RDS)
    • Radio : AM/FM/digital/SiriusXMsatellite
    • Satellite trial : 3 month satellite trial subscription
    • Seek scan : Seek scan
    • Speakers number : 7 speakers
    • Voice activated audio : GMC Infotainment System voice activated audio controls
    • Wireless speaker number : Kicker MultiPro Sound System 2 wireless speakers
    • Wireless streaming : Bluetooth wireless audio streaming
    • 4WD type : AutoTrac part and full-time 4WD
    • ABS Brakes : Four channel ABS brakes
    • Alternator Type : Alternator
    • Battery run down protection : Battery run down protection
    • Battery type : Heavy-duty lead acid battery
    • Block heater : Engine block heater
    • Compressor : Intercooled turbo
    • Cylinder head material : Aluminum cylinder head
    • Displacement liters : 3 L
    • Drive type : Four-wheel drive
    • Electronic parking brake : Electronic parking brake
    • Engine : Duramax 3L I-6 diesel direct injection, DOHC, variable valve control, intercooled turbo, diesel, engine with 277HP
    • Engine Configuration : I6
    • Engine Location : Front mounted engine
    • Engine Mounting direction : Longitudinal mounted engine
    • Engine Short : Duramax 3L I-6 DOHC
    • Engine block material : Aluminum engine block
    • Front anti-roll : Front anti-roll bar
    • Fuel Type : Diesel
    • Horsepower : 277 HP @3750 RPM
    • Ignition : Compression ignition system
    • Lock-up transmission : Lock-up transmission
    • Locking hub control : Auto locking hub control
    • Overdrive transmission : Overdrive transmission
    • Powertrain type : ICE
    • Radiator : Radiator
    • Rear Springs : Regular grade rear springs
    • Rear locking differential : Automatic rear locking differential
    • Selectable mode transmission : Tow/Haul Mode selectable mode transmission
    • Sequential shift control : Sequential shift control
    • Shock absorbers : Rancho shock absorbers
    • Speed sensitive steering : Speed sensitive power steering
    • Springs front : Front coil springs
    • Springs rear : Rear leaf springs
    • Start-stop engine : Auto stop-start engine
    • Steering : Electric power-assist steering system
    • Steering type : Rack-pinion steering
    • Suspension : Off-road ride suspension
    • Suspension ride type front : Independent front suspension
    • Suspension ride type rear : Rigid axle rear suspension
    • Suspension type front : Short and long arm front suspension
    • Suspension type rear : Leaf spring rear suspension
    • Tailpipe : Stainless steel quasi-dual exhaust with black tailpipe finisher
    • Traction control : All-speed ABS and driveline traction control
    • Transfer case : Electronic transfer case shift
    • Transmission : 10-speed automatic
    • Transmission Type : Automatic
    • Transmission electronic control : Transmission electronic control
    • Valves per cylinder : 4
    • Variable intake manifold : Variable intake manifold
    • Ventilated brakes : Front and rear ventilated disc brakes
    • Handsfree : Bluetooth handsfree wireless device connectivity
    • Integrated navigation : Integrated navigation system
    • Internet access : 4G LTE Wi-Fi Hotspot capable mobile hotspot internet access
    • Smart device integration : Apple CarPlay/Android Auto smart device mirroring
    • USB ports : 6 USB ports
    At Brennan Buick GMC, we're here for you throughout the life of your vehicle. If you're in the market for a new or used truck, SUV, or car, visit our dealership to see the best that Brennan Buick GMC has to offer.

    - Power Sunroof
    - Technology Package with HD Surround Vision, Rear Camera Mirror, and Bed View Camera
    - Multicolor 15 Diagonal Head-Up Display
    - MultiPro Audio System by Kicker
    - Premium GMC Infotainment System with Navigation and SiriusXM 360L
    - Adaptive Cruise Control with Following Distance Indicator
    - Automatic Emergency Braking with Forward Collision Alert
    - Lane Keep Assist with Lane Departure Warning
    - IntelliBeam Automatic High Beam
    - Heated and Ventilated Front Seats with 10-Way Power Adjusters
    - CarbonPro Carbon Fiber Composite Bed
    - AT4 Premium Package with Goodyear Wrangler DuraTrac Tires
    - Rear Camera Mirror and Wireless Charging
    - Perimeter Lighting with LED Cargo Area Lighting
    - Hitch Guidance with Integrated Trailer Brake Controller

    This 2021 GMC Sierra 1500 AT4 in gray represents a capable, well-equipped pickup truck designed for both on-road comfort and off-road capability. The 3.0L I-6 Diesel Turbocharged engine delivers 277 horsepower and 460 lb-ft of torque, paired with a 10-speed automatic transmission and 4WD for versatile performance. With EPA estimates of 22 city and 26 highway MPG, this truck balances power with efficiency for daily driving and towing needs.

    The AT4 CarbonPro Edition distinguishes this Sierra with a unique grille surround featuring black chrome finish, carbon composite bed, and black dual exhaust tips. The cabin showcases premium appointments including perforated leather-appointed front seat trim, an 8 digital driver information center, and a console insert organizer tray. Convenience features include a power sliding rear window, remote vehicle starter system, and power door locks with keyless entry and start capability.

    Technology and safety are paramount in this truck. The Technology Package provides comprehensive camera systems including HD surround vision with two trailer view camera provisions, a rear camera mirror, and bed view camera. Driver Alert Package II includes forward collision alert, lane keep assist with lane departure warning, automatic emergency braking, front pedestrian braking, adaptive cruise control, and an IntelliBeam automatic high beam system with following distance indicator.

    The truck is equipped for trailering with the ProGrade Trailering System, hitch guidance with hitch view, integrated trailer brake controller, and in-vehicle trailering app integration. The off-road suspension and hill descent control provide capability beyond standard hauling. Comfort features include heated and ventilated front seats, a heated steering wheel, automatic temperature control with front dual zone air conditioning, and a universal home remote.

    - 62 Point Inspection
    - Vehicle History
    - Powertrain Limited Warranty: 1 Month/1,000 Mile (whichever comes first)
    - BravoBudget Powertrain Limited Warranty: When you choose a certified used vehicle greater than 10 and less than 15 model years old and/or greater than 100,000 and less than 150,000 miles, you'll get 30-day/1,000-mile-Powertrain Limited Warranty Coverage. Non-GM vehicle coverage terms different in the state of California, see dealer for details.

    This GMC Sierra 1500 AT4 has been certified through our rigorous inspection program and backed by warranty protection. The combination of premium features, diesel efficiency, and comprehensive safety technology makes this truck a practical choice for buyers seeking capability and reliability. We invite you to visit our showroom to examine this truck firsthand and discuss how it can meet your transportation needs.

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    Vehicle history report

    • Title information
    • Odometer readings
    • Accident data (if applicable)
    • Service history
    • Vehicle usage
    • Recall information (if applicable)
    • Warranty status
    Free CarFax report

    Optional add-on protection

    • GAP Protection
    • Lifetime Powertrain
    • Tires and Wheels
    • Paint Protection

    A name you can trust

    Brennan Buick GMC is dedicated to your satisfaction before, during, and after your purchase. We'll go the extra mile to take care of you.
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    KBB.com Consumer Reviews

    Kelley Blue Book Logo0.0out of 5 overall
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        Disclaimer: The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

        1Dealer Discount applied to everyone

        CarBravo Benefits


        Certified Used Vehicles: Enjoy peace of mind knowing that all CarBravo vehicles are inspected and certified by Certified Service Technicians through our rigorous Multi-Point Inspection.1

        IMPORTANT RECALL INFORMATION: Before a CarBravo vehicle is listed or sold, GM requires dealers to complete all safety recalls. However, because even the best processes can break down, we encourage you to check the recall status of any vehicle through your GM account and NHTSA.

        Standard Limited Warranty: Every certified used vehicle comes equipped with a Standard Limited Warranty2 to help you feel confident in your purchase and on the road.

        • Vehicles with less than 10 model years and 100,000 miles get 12-Month/12,000-Mile Bumper-To-Bumper Limited Warranty3 coverage with no deductible.
        • Non-GM vehicle coverage terms different in the state of California. See dealer for details
        • Vehicles greater than 10 and less than 15 model years and/or greater than 100,000 and less than 150,000 miles get 30-Day/1,000-Mile Powertrain Limited Warranty4 coverage.

        Certified Service Centers: There are 3,800+ Certified Service Centers nationwide, so you can get your vehicle serviced or repaired no matter where you drive.

        24-Hour Roadside Assistance: Should your vehicle need a tow or jump, help is just a call away with Roadside Assistance.5

        Courtesy Transportation: If your vehicle needs warranty repair, your CarBravo dealer will make sure you have alternative transportation or reimburse you for a temporary vehicle with Courtesy Transportation.6

        Vehicle Exchange Program: Not feeling your ride? Bring it on back with our 10-Day/500-Mile Vehicle Exchange Program7