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2021 GMC Sierra 1500 AT4



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Vehicle Information

VIN: 3GTU9EET4MG223618
Stock #: C260669A
  • Body Style Crew Cab Pickup
  • Exterior Color Satin Steel Metallic
  • Interior Color Jet Black W And Kalahari Accents
  • Mileage 0
  • Fuel Economy
    City/Highway 22/26 MPG
  • Engine 3.0 Liter DOHC Turbo
  • Transmission 10-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED
  • Fuel Type Diesel Fuel

Highlighted Features

This online window sticker is provided for informational purposes only. Vehicle features, options, pricing and other information are subject to change. See your Hyundai dealer and the Monroney label affixed to the actual vehicle for the most up-to-date specifications and information.
  • Remote Start
  • 4WD/AWD
  • Wi-Fi Hotspot
  • Automatic Climate Control
  • Turbo Charged Engine

Dealer Comments

This 2021 GMC Sierra 1500 AT4, has a exterior and an interior color. 0 miles. Stock Number C260669A. You can connect
with us by calling 410 479-2660.



OTHER NOTABLE FEATURES AND OPTIONS YOU SHOULD KNOW ABOUT:

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 ($1,260 value)

  • Safety Alert Seat
  • Adaptive Cruise Control
  • IntelliBeam Automatic High Beam On/off
  • Following Distance Indicator
  • Forward Collision Alert
  • Lane Keep Assist with Lane Departure Warning
  • Automatic Emergency Braking
  • Front Pedestrian Braking

AT4 Premium Package ($4,725 value)

  • LT275/65R18C MT BW Tires
  • AT4 High Clearance Step

Technology Package ($2,520 value)

  • Rear Camera Mirror
  • 8"" Driver Information Centre
  • Multi-Colour 15"" Diagonal Head-Up Display
  • Bed View Camera
  • HD Surround Vision with 2 Trailer View Camera Provisions

Preferred Equipment Group 4SB

  • Front Bucket Seats
  • GMC Connected Access Capable
  • 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 Front Windows with Driver Express Up/down
  • Rear Wheelhouse Liners
  • Colour-Keyed Carpeting Floor Covering
  • Front Premium Floor Liners with Removable Carpet Insert
  • Remote Vehicle Starter System
  • Electric Rear-Window Defogger
  • Spray-On Pickup Bed Liner with AT4 Logo
  • Compass
  • Floor-Mounted Centre Console
  • Auto-Locking Rear Differential
  • Body-Colour Surround Grille
  • 3.23 Rear Axle Ratio
  • Hill Descent Control
  • Integrated Trailer Brake Controller
  • Heavy-Duty Air Filter
  • 120-Volt Instrument Panel Power Outlet
  • Auxiliary External Transmission Oil Cooler
  • 12-Volt Rear Auxiliary Power Outlet
  • 170 Amp Alternator
  • 2 USB Ports
  • 2 USB Ports (1st Row)
  • 10-Speed Automatic Transmission
  • Electrical Lock Control Steering Column
  • Manual Tilt-Wheel and Telescoping Steering Column
  • 2-Speed Transfer Case
  • Skid Plates
  • ProGrade Trailering System
  • 18"" X 8.5"" Machined Aluminum Wheels
  • Perforated Leather-Appointed Front Seat Trim
  • 4.2"" Diagonal Colour Display Driver Info Centre
  • OnStar and GMC Connected Services Capable
  • LED Cargo Area Lighting
  • Red Recovery Hooks
  • Steering Wheel Audio Controls
  • Rear Dual USB Charging-Only Ports
  • Theft Deterrent System (unauthorized Entry)
  • HD Rear Vision Camera
  • 4G LTE Wi-Fi Hotspot Capable
  • Off-Road Suspension
  • Trailering Package

AT4 Preferred Package

  • Power Sliding Rear Window with Rear Defogger
  • Premium GMC Infotainment System Radio with Navigation
  • Wireless Charging
  • Universal Home Remote
  • Premium Bose 7-Speaker Sound System




Safety and Security

  • Pedestrian impact prevention - An extra step toward safety. Pedestrians don't always stop, look, and listen, but with Pedestrian Impact Prevention, your vehicle is equipped to better see them and avoid them. This system constantly monitors the road ahead to identify and track pedestrians. It projects that image to an interior display screen, AND should an impact become likely, Pedestrian impact prevention takes steps to avoid a collision.
  • Rear camera - Watching your back! The rear camera helps you see obstacles and hazards you otherwise couldn't by showing enhanced images of what is behind you. The rear camera is an extra set of eyes that's both convenient and safe.
  • Lane departure prevention - Keep it between the lines. It only takes a moment of inattention for your vehicle to drift. With lane departure prevention, your vehicle takes corrective action to help you avoid unintentionally moving out of your lane. Lane departure prevention is an extra level of safety for you and those around you.

Technology and Telematics

  • 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.


ENGINE, DURAMAX 3.0L TURBO-DIESEL I6
At Denton Ford, we're here to Serve you! Our staff is 100% dedicated to customer satisfaction and we understand that you need clear, transparent information throughout the car buying process. With our live market pricing philosophy, we offer the right cars at the right price, and the transparency to back it up!

FINANCING OPTIONS:
Take advantage of our attractive low-rate financing options. Our access to various Credit Unions and National Banks can provide financing for most credit levels. We can tailor a finance package to fit your needs. To get started, complete our secure online credit application.

Eligible Benefits

View AutoCheck report.
New Arrival!

All Features

  • Trailering Package includes trailer hitch
  • 7-pin and 4-pin connectors and (CTT) Hitch Guidance
  • ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (U1D) In-vehicle Trailering App
  • Rear axle
  • 3.23 ratio
  • Pickup bed
  • GVWR
  • 7000 lbs. (3175 kg) (Requires Crew Cab model with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine.)
  • Air filter
  • heavy-duty
  • Automatic Stop/Start (Standard on vehicles built before 6-7-2021. Most vehicles built on or after 6-7-2021 that are equipped with a V8 engine and (MQB) 10-speed automatic transmission will have (NSS) Not Equipped with Automatic Stop/Start
  • which removes Automatic Stop/Start and its content. See dealer for details.)
  • Hill Descent Control
  • Auto-locking rear differential
  • Transfer case
  • two-speed
  • electronic Autotrac with push button control (4WD models only)
  • Suspension
  • Off-Road with 2" factory installed lift and monotube shocks
  • 4-wheel drive
  • Cooling
  • external engine oil cooler (Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
  • Cooling
  • auxiliary external transmission oil cooler (Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
  • Alternator
  • 170 amps (Included and only available with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine. Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
  • Battery
  • heavy-duty 730 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L84) 5.3L EcoTec3 V8 engine
  • (L3B) 2.7L Turbo engine and (L87) 6.2L EcoTec3 V8 engine.)
  • Frame
  • fully-boxed
  • hydroformed front section
  • Skid plates
  • Trailer brake controller
  • integrated
  • Recovery hooks
  • Red
  • Steering
  • Electric Power Steering (EPS) assist
  • rack-and-pinion
  • Brakes
  • 4-wheel antilock
  • 4-wheel disc with DURALIFE rotors
  • Brake lining wear indicator
  • Capless Fuel Fill
  • Exhaust
  • aluminized stainless-steel muffler and tailpipe
  • Exhaust
  • dual with premium tips (With (PCP) AT4 CarbonPro Edition the exhaust tips will be black.)
  • Wheel
  • 17" x 8" (43.2 cm x 20.3 cm) full-size
  • steel spare
  • Wheelhouse liners
  • rear
  • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
  • Bumper
  • front
  • body-colour lower (Front bumper colour will be high gloss black.)
  • Bumper
  • rear body-colour with corner steps
  • CornerStep
  • rear bumper
  • Grille (Body-colour surround with high gloss Black mesh and Black chrome inserts. With (PCP) AT4 CarbonPro Edition the grille will have a unique grille surround with Black Chrome finish.)
  • Fog lamps
  • LED
  • Taillamps
  • LED signature taillight with LED stop and reverse light
  • Lamps
  • cargo area
  • cab mounted integrated with centre high mount stop lamp
  • with switch in bank on left side of steering wheel
  • LED Cargo Area Lighting located in cargo box activated with switch on centre switch bank or key fob
  • Mirror caps
  • high gloss Black (Deleted with (DQS) outside power adjustable vertical trailering mirrors and mirror caps will be chrome.)
  • Glass
  • deep-tinted
  • Tailgate
  • GMC MultiPro Tailgate with six functional load/access features
  • Tailgate
  • gate function manual with EZ Lift
  • includes power lock and release includes hitch area light
  • Tailgate and bed rail protection caps
  • top
  • Door handles
  • body-colour
  • Cargo tie downs (12)
  • fixed rated at 500 lbs (226.8 kg) per corner
  • Audio system feature
  • 6-speaker system
  • Steering wheel audio controls
  • 4G LTE Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.ca or dealer for details.)
  • 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
  • centre fold out armrest with 2 cupholders
  • full cab width under-seat storage
  • (includes child seat top tether anchor)
  • Centre Console
  • floor-mounted with cup holders
  • cell phone storage
  • power cord management
  • hanging file folder capability
  • Floor covering
  • colour-keyed carpeting
  • Steering column
  • manual Tilt-Wheel and telescoping
  • Steering column
  • lock control
  • electrical
  • Steering wheel
  • leather-wrapped
  • Steering wheel
  • heated
  • Instrument cluster 6-gauge cluster featuring speedometer
  • fuel level
  • engine temperature
  • tachometer
  • voltage and oil pressure
  • Exterior Temperature Display
  • located in radio display
  • Compass
  • located in instrument cluster
  • Driver Information Centre
  • 4.2" diagonal colour display includes driver personalization
  • Remote vehicle starter system
  • Theft-deterrent system
  • unauthorized entry
  • Power outlet
  • instrument panel
  • 120-volt (400 watts shared with (KC9) bed mounted power outlet)
  • USB ports
  • dual
  • charge-only (2nd row)
  • Power outlet
  • bed mounted
  • 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
  • Air conditioning
  • dual-zone automatic climate control
  • Air vents
  • rear
  • Assist handles
  • front A-pillar mounted for driver and passenger
  • rear B-pillar mounted
  • GMC Connected Access capable (Subject to terms. See onstar.ca or dealer for details.)
  • StabiliTrak
  • stability control system with Proactive Roll Avoidance and traction control
  • includes electronic trailer sway control and hill start assist
  • 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
  • Hitch Guidance
  • Teen Driver mode a configurable feature that lets you activate customizable vehicle settings associated with a key fob
  • to help encourage safe driving behaviour. 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
  • Rear seat reminder
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Pricing of vehicles on this web site does not include options that may have been installed at the Dealership. Monthly payment calculator is an estimate and does not include tax, title, license or doc fee of $799 and price subject to state inspection fees. Please contact the Dealership for latest pricing and monthly payment. Published price subject to change without notice to correct errors or omissions or in the event of inventory fluctuations. Price good for 2 days only, please contact store by email or phone for details. While every effort has been made to ensure display of accurate data, the vehicle listings within this web site may not reflect all accurate vehicle items. Accessories and color may vary. All Inventory listed is subject to prior sale. The vehicle photo displayed may be an example only. Vehicle Photos may not match exact vehicle. Though we make every effort to provide you the most accurate, up-to-date information, occasionally, one or more vehicles on this website may be incorrect due to typographical, photographic, occasional human or technical error. We reserve the right to refuse to honor any incorrect internet prices as we cannot account for the occasional human or technical error. Please confirm vehicle price with Dealership. See Dealership for details. 3/7/2026