Used 2021 GMC Sierra 3500HD AT4
Price $69,995
Your Price $69,995
Listed price does not include GST

Used 2021 GMC Sierra 3500HD AT4

6.85ft Box Length - One-Owner | Heavy-Duty Capability | No Accidents
110,572 km
Sold
Your Price
$69,995
Listed price does not include GST
$69,995
Listed price does not include GST
Price does not include GST
Vehicle Details
    Body Style
    Truck
    Engine
    6.6L 8Cyl
    Exterior Colour
    Black
    Transmission
    Automatic
    Drivetrain
    4×4
    VIN
    1GT49VEYXMF163292
    Stock
    TK-1023A
    Fuel Type
    Diesel
    Trim Details
    4WD Crew Cab Standard Box AT4
Description

This Carbonized Grey 2021 GMC Sierra 3500HD has arrived at our dealership, offering the professional-grade power and advanced towing technology needed for the most demanding tasks. This heavy-duty truck is a standout choice for those who require maximum capability paired with modern refinement.

Our service department has ensured this truck is fully road-ready through a comprehensive inspection and reconditioning process:

  • Completed a full AMVIC mechanical fitness assessment and multi-point safety inspection.

  • Verified all primary systems, including the powertrain, braking system, and suspension, are in compliant working order.

  • Performed a fresh service including topping up the power steering fluid.

  • Replaced the cabin air filter to ensure a fresh interior environment.

  • Swapped tires to ensure the truck is equipped for the road ahead.

  • Conducted a thorough battery and charging system test.

  • Completed a professional clean interior and exterior detail.

This vehicle features a history rooted in Western Canada, having been previously registered in British Columbia before coming to Alberta. It has been professionally maintained, with its most recent comprehensive service and safety inspection completed right here in Okotoks in April 2026. The odometer was recorded at 110,572 km at the time of its mechanical assessment, showing that this truck is ready to continue its life as a reliable workhorse.

The Sierra 3500HD is built to handle heavy payloads and large trailers with ease:

  • 6.6L Duramax Turbo-Diesel V8 Engine: Provides the massive torque and horsepower required for confident heavy-duty towing.

  • All-Wheel Drive / 4WD: Offers essential traction for worksites and unpredictable road conditions across the province.

  • Heavy-Duty Suspension: Engineered to maintain stability and control, even when fully loaded or towing at maximum capacity.

  • Modern Connectivity: Features an intuitive infotainment system to keep you connected and productive while on the job.

  • Safety & Security: Includes a comprehensive suite of safety features and warning systems to help keep you and your cargo protected.

  • Advanced Braking: Equipped with a robust disc braking system and integrated parking brake designed for heavy-duty applications.

Text or Call us today at Okotoks Ford Lincoln for a personalized video walk-around or to book your test drive of this heavy-duty truck.

Installed Packages
  • At4 Preferred Equipment Group • 4SB
    includes standard equipment
No matches were found.
Options
  • Air Conditioning
  • Alloy Wheels
  • Backup Camera
  • Bluetooth Connection
  • Cooled Seats
  • Cruise Control
  • Heated Seats
  • Keyless Entry
  • Leather Seats
  • Power Seats
  • Power Windows
  • Remote Start
  • Running Boards
  • Satellite Radio
  • Smart Device Integration
  • Wi-Fi Hotspot
No matches were found.
Entertainment
  • AM/FM Stereo
  • Auxiliary Audio Input
  • Bluetooth Connection
  • MP3 Player
  • Smart Device Integration
  • Requires Subscription
  • Satellite Radio
  • HD Radio
  • Audio system feature, 6-speaker system
Exterior
  • Aluminum Wheels
  • Tires - Front All-Terrain
  • Tires - Rear All-Terrain
  • Conventional Spare Tire
  • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
  • Bumper, front, body-colour lower
  • Bumper, rear body-colour, with bumper CornerSteps
  • CornerStep, rear bumper
  • Bed Step, Black integrated on forward portion of bed on driver and passenger side
  • Mouldings, beltline, Black
  • Wheelhouse liners, rear
  • Bed Liner
  • Cargo tie downs (12), fixed, rated at 500 lbs (226.8 kg) per corner
  • Grille, Painted Black surround with high gloss Black mesh and Black chrome inserts
  • Daytime Running Lights
  • Fog Lamps
  • 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 bed activated with switch on centre switch bank or key fob
  • Heated Mirrors
  • Integrated Turn Signal Mirrors
  • Power Folding Mirrors
  • Power Mirror(s)
  • Mirror caps, high gloss Black
  • Privacy Glass
  • Door handles, body-colour
  • Integrated Tailgate Step
  • Tailgate and bed rail protection caps, top
  • Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
Interior
  • Bucket Seats
  • WiFi Hotspot
  • Leather Seats
  • Driver Adjustable Lumbar
  • Power Driver Seat
  • Passenger Adjustable Lumbar
  • Power Passenger Seat
  • Pass-Through Rear Seat
  • Rear Bench Seat
  • Heated Front Seat(s)
  • Cooled Front Seat(s)
  • Heated Rear Seat(s)
  • Mirror Memory
  • Seat Memory
  • Centre Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
  • Floor covering, colour-keyed carpeting
  • Floor Mats
  • Leather Steering Wheel
  • Heated Steering Wheel
  • Adjustable Steering Wheel
  • Steering Wheel Audio Controls
  • Instrument cluster, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
  • Driver Information Centre, 4.2" diagonal colour display includes driver personalization
  • In-vehicle Trailering App, System includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder, trailer electrical diagnostics and Trailer Tire Pressure Monitor System module (Includes trailer tire pressure monitoring alert ONLY when (PTT) trailer tire pressure monitor system is factory ordered and sensors are installed.)
  • Compass, located in instrument cluster
  • Window, power front, drivers express up/down
  • Power Windows
  • Power Door Locks
  • Remote Engine Start
  • Keyless Entry
  • Keyless Start
  • Cruise Control
  • Security System
  • Steering column, lock control, electrical
  • Power Outlet
  • Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
  • Auxiliary Audio Input
  • MP3 Player
  • USB ports, dual, charge-only (2nd row)
  • Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
  • A/C
  • Climate Control
  • Multi-Zone A/C
  • Rear Defrost
  • Auto-Dimming Rearview Mirror
  • 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.)
Mechanical
  • 8 Cylinder Engine
  • Gasoline Fuel
  • 6-Speed A/T
  • A/T
  • Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
  • Running Boards/Side Steps
  • GVWR, 11,350 lbs. (5148 kg) with single rear wheels (Included and only available with TK30743 model and (L8T) 6.6L V8 gas engine. Requires single rear wheels.)
  • Air filter, heavy-duty
  • Air filtration monitoring
  • Transfer case, two-speed active electronic Autotrac with push button control
  • Locking/Limited Slip Differential
  • Four Wheel Drive
  • Cooling, external engine oil cooler
  • Cooling, auxiliary external transmission oil cooler
  • Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L8T) 6.6L V8 gas engine.)
  • Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
  • Trailer brake controller, integrated
  • Tow Hooks
  • Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
  • Skid Plates protect the oil pan, front axle and transfer case
  • Suspension, Off-Road includes twin-tube shocks
  • Power Steering
  • 4-Wheel Disc Brakes
  • ABS
  • Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)
Package
  • X31 Off-Road Package includes (JHD) Hill Descent Control, (NZZ) skid plates, Off-Road suspension and Twin-tube Rancho shocks
  • Tow Hitch
  • ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (U1D) In-vehicle Trailering App
Processing-other
  • Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
Safety
  • Stability Control
  • Traction Control
  • Hill Descent Control
  • Daytime Running Lights
  • Driver Air Bag
  • Front Head Air Bag
  • Front Side Air Bag
  • Passenger Air Bag
  • Passenger Air Bag Sensor
  • Rear Head Air Bag
  • Requires Subscription
  • Telematics
  • Back-Up Camera
  • Rear Seat Reminder
  • Driver Restriction Features
  • Tire Pressure Monitor
No matches were found.
Summary
  • Vehicle Name
    GMC Sierra 3500HD
  • Body Style
    Crew Cab Pickup
  • Body Code
    E63
Transmission
  • Drivetrain
    Four Wheel Drive
  • Trans Order Code
    MYD
  • Trans Type
    6
  • Trans Description Cont.
    Automatic
  • First Gear Ratio (:1)
    4.03
  • Second Gear Ratio (:1)
    2.36
  • Third Gear Ratio (:1)
    1.53
  • Fourth Gear Ratio (:1)
    1.15
  • Fifth Gear Ratio (:1)
    0.85
  • Sixth Gear Ratio (:1)
    0.67
  • Reverse Ratio (:1)
    3.06
Interior dimensions
  • Passenger Capacity
    5
  • Front Head Room (in)
    43.03
  • Front Leg Room (in)
    44.53
  • Front Shoulder Room (in)
    66.02
  • Front Hip Room (in)
    61.18
  • Second Head Room (in)
    40.12
  • Second Leg Room (in)
    43.4
  • Second Shoulder Room (in)
    65.3
  • Second Hip Room (in)
    60.24
Weight information
  • Gross Axle Wt Rating - Front (lbs)
    4800
  • Gross Axle Wt Rating - Rear (lbs)
    7250
  • Curb Weight - Front (lbs)
    3851
  • Curb Weight - Rear (lbs)
    2915
  • Gross Vehicle Weight Rating Cap (lbs)
    11350
  • Gross Combined Wt Rating (lbs)
    24000
Trailering
  • Dead Weight Hitch - Max Trailer Wt. (lbs)
    5000
  • Dead Weight Hitch - Max Tongue Wt. (lbs)
    500
  • Wt Distributing Hitch - Max Trailer Wt. (lbs)
    14500
  • Wt Distributing Hitch - Max Tongue Wt. (lbs)
    1450
  • Fifth Wheel Hitch - Max Trailer Wt. (lbs)
    16230
  • Fifth Wheel Hitch - Max Tongue Wt. (lbs)
    4057
  • Maximum Trailering Capacity (lbs)
    20000
Engine
  • Engine Order Code
    L8T
  • Engine Type
    Gas V8
  • Displacement
    6.6L
  • Fuel System
    Direct Injection
  • SAE Net Horsepower @ RPM
    401 @ 5200
  • SAE Net Torque @ RPM
    464 @ 4000
  • Engine Oil Cooler
    Yes
Electrical
  • Cold Cranking Amps @ 0° F (Primary)
    720
  • Maximum Alternator Capacity (amps)
    170
Frame
  • Frame Type
    Hydroformed
Suspension
  • Suspension Type - Front
    Short/Long Arm w/Torsion Bars
  • Suspension Type - Rear
    3-Stage Multi-Leaf
  • Axle Type - Front
    Independent
  • Axle Ratio (:1) - Front
    3.73
  • Axle Ratio (:1) - Rear
    3.73
  • Shock Absorber Diameter - Front (mm)
    51
  • Shock Absorber Diameter - Rear (mm)
    51
  • Stabilizer Bar Diameter - Front (in)
    1.38
Tires
  • Front Tire Order Code
    QF6
  • Rear Tire Order Code
    QF6
  • Spare Tire Order Code
    ZYG
  • Front Tire Size
    LT275/70R18
  • Rear Tire Size
    LT275/70R18
  • Spare Tire Size
    LT275/70R18
  • Front Tire Capacity (lbs)
    3020
  • Rear Tire Capacity (lbs)
    3638
  • Spare Tire Capacity (lbs)
    3638
Wheels
  • Front Wheel Size (in)
    18 x 8
  • Rear Wheel Size (in)
    18 x 8
  • Spare Wheel Size (in)
    18 x 8
  • Front Wheel Material
    Aluminum
  • Rear Wheel Material
    Aluminum
  • Spare Wheel Material
    Steel
Steering
  • Steering Type
    Pwr Recirculating Ball
  • Steering Ratio (:1), At Lock
    N/A
  • Turning Diameter - Curb to Curb (ft)
    52.7
  • Turning Diameter - Wall to Wall (ft)
    N/A
Brakes
  • Brake Type
    Pwr
  • Brake ABS System
    4-Wheel
  • Disc - Front
    Yes
  • Disc - Rear
    Yes
  • Front Brake Rotor Diam x Thickness (in)
    14 x 1.6
  • Rear Brake Rotor Diam x Thickness (in)
    14.1 x 1.3
Fuel tank
  • Fuel Tank Capacity, Approx (L)
    136
Exterior dimensions
  • Wheelbase (in)
    158.94
  • Length, Overall (in)
    250.08
  • Width, Max w/o mirrors (in)
    81.85
  • Height, Overall (in)
    80.87
  • Cab to Axle (in)
    42.1
  • Ground Clearance, Front (in)
    11.18
  • Ground Clearance, Rear (in)
    11.18
Cargo area dimensions
  • Cargo Box Length @ Floor (in)
    82.2
  • Cargo Box Width @ Floor (in)
    71.4
  • Cargo Box Width @ Wheelhousings (in)
    51.85
  • Cargo Box (Area) Height (in)
    21
  • Cargo Volume (ft³)
    69.5
No matches were found.
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Market Price:
$71,995
  • Savings -$2,000
Your Price
$69,995
Listed price does not include GST
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