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New 2026 GMC Sierra 2500HD AT4X

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2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON
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2026 GMC Sierra 2500HD AT4X
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Vehicle Details
    Body Style
    Truck
    Engine
    6.6L 8Cyl
    Exterior Colour
    Black
    Interior Colour
    Black
    Transmission
    Automatic
    Drivetrain
    4×4
    Stock
    18347
    Fuel Type
    Diesel
    Trim Details
    Crew Cab Standard Box 4-Wheel Drive AT4X
Description

The 2026 GMC Sierra 2500HD AT4X Crew Cab Standard Box 4-Wheel Drive is an impressive black powerhouse equipped to tackle any terrain with its robust 4x4 drivetrain and automatic transmission. At the core of this commanding truck is a 6.6L 8-cylinder engine, delivering an impressive 470 RPM at 2800, ensuring superior handling and performance.

The striking black exterior is perfectly complemented by bold alloy wheels and practical running boards, offering both style and functionality. Step inside to discover a luxurious black interior, crafted with premium leather seats and accents. This truck promises a comfortable ride all year round with features like heated and cooled seats, a heated steering wheel, and dual-zone air conditioning.

This Sierra doesn't just prioritize power and comfort; it also comes loaded with cutting-edge technology to enhance your driving experience. A large heads-up display keeps vital information in your line of sight while the navigation system, paired with smart device integration, guides you effortlessly to your destination. Safety is paramount with lane assist, parking sensors, a backup camera, and blind-spot monitoring ensuring peace of mind on every journey. Additionally, enjoy convenience features such as remote start, keyless entry, and adaptive cruise control.

This formidable truck is perfect for those who demand both rugged capability and luxurious comfort. Whether you are planning your next adventure or simply need a reliable vehicle, the 2026 GMC Sierra 2500HD AT4X delivers on all fronts. Contact us now to learn more about how you can make this exceptional truck yours today.

Packages & Options
Standard Equipment
Technical Specifications
Installed Packages
  • At4X Preferred Equipment Group • 4SG
    includes standard equipment
  • Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel Compatible • L5P
    (470 hp [350.5 kW] @ 2800 rpm, 975 lb-ft of torque [1322 Nm] @ 1600 rpm) (Includes (K05) engine block heater.)
  • Transmission, 10-Speed Automatic • MGM
  • Gvwr, 11,350 Lbs. (5148 Kg) • JGL
  • Rear Axle, 3.42 Ratio • GU6
  • Wheels, 18" (45.7 Cm) Machined Aluminum Wheel • RCS
    with High Gloss black accents
  • Onyx Black • GBA
  • Seats, Front Bucket • A50
    with centre console
  • Obsidian Rush, Full Grain Leather Seat Trim • H9J
  • Audio System, 13.4" Diagonal Premium Gmc Infotainment System With Google Built In Apps Such As Navigation And Voice Assistance • IOK
    includes colour touch-screen, multi-touch display, AM/FM stereo, Bluetooth streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones
  • Engine Block Heater • K05
  • Alternator, 220 Amps • KW5
  • High Idle Switch • UF3
  • Exhaust Brake • K40
  • Winter Grille Cover • BHP
  • License Plate Kit, Front, Incandescent Lighting • VK3
    (will be shipped to orders with ship-to provinces that require front license plate)
No matches were found.
Options
  • Air Conditioning
  • Alloy Wheels
  • Backup Camera
  • Bluetooth Connection
  • Cooled Seats
  • Cruise Control
  • Heads Up Display
  • Heated Seats
  • Keyless Entry
  • Lane Assist
  • Leather Seats
  • Navigation System
  • Parking Sensors
  • Power Seats
  • Power Windows
  • Remote Start
  • Running Boards
  • Satellite Radio
  • Smart Device Integration
  • Sunroof / Moonroof
  • Wi-Fi Hotspot
No matches were found.
Entertainment
  • AM/FM Stereo
  • Auxiliary Audio Input
  • Bluetooth Connection
  • MP3 Player
  • Navigation System
  • Smart Device Integration
  • Requires Subscription
  • Satellite Radio
  • Premium Sound System
  • WiFi Hotspot
Exterior
  • Aluminum Wheels
  • Tires - Front All-Season
  • Tires - Rear All-Season
  • Conventional Spare Tire
  • Wheel, Spare 18" (50.8 cm)
  • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
  • Generic Sun/Moonroof
  • Sun/Moonroof
  • Bumper, front, body-colour lower (Bumper color will be High Gloss Black.)
  • Bumper, rear body-colour with bumper CornerSteps (Bumper color will be High Gloss Black.)
  • Power Retractable Running Boards
  • Running Boards/Side Steps
  • Bed Liner
  • Bed Step, Black integrated on forward portion of bed on driver and passenger side
  • CornerStep, rear bumper (Not available with (ULV) AT4X AEV Edition.)
  • Cargo tie downs (12), fixed, rated at 500 lbs (226.8 kg) per corner
  • Wheelhouse liners, rear
  • Mouldings, beltline, Black
  • Grille (Gloss Black header and grille insert bars with Dark Nickel inserts.)
  • Daytime Running Lights
  • Automatic Highbeams
  • Fog Lamps
  • 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
  • Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
  • Lamps, Smoked Amber roof marker, (LED)
  • Heated Mirrors
  • Integrated Turn Signal Mirrors
  • Power Folding Mirrors
  • Power Mirror(s)
  • Mirror caps, high gloss Black
  • Privacy Glass
  • Intermittent Wipers
  • Rain Sensing Wipers
  • Variable Speed Intermittent Wipers
  • Door handles, body-colour (With (ULV) AT4X AEV Edition door handles will be Gloss black.)
  • Integrated Tailgate Step
Interior
  • Bucket Seats
  • Leather Seats
  • Pass-Through Rear Seat
  • Rear Bench Seat
  • Driver Adjustable Lumbar
  • Power Driver Seat
  • Seat-Massage
  • Passenger Adjustable Lumbar
  • Power Passenger 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 Mats
  • Leather Steering Wheel
  • Heated Steering Wheel
  • Steering Wheel Audio Controls
  • Adjustable Steering Wheel
  • Driver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital display
  • Heads-Up Display
  • Rear Seat Reminder
  • GMC Premium information Display- 13.4" diagonal Multicolour touch screen
  • Exterior Temperature Display, located in radio display
  • Compass, located in instrument cluster
  • Power Windows
  • Rear Defrost
  • Sliding Rear Window
  • Power Door Locks
  • Keyless Entry
  • Keyless Start
  • Remote Engine Start
  • Adaptive Cruise Control
  • Cruise Control
  • Universal Garage Door Opener
  • Wireless Charging
  • Security System
  • Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
  • Auxiliary Audio Input
  • MP3 Player
  • USB ports, (2) charge-only, rear
  • Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
  • Air vents, rear
  • A/C
  • Climate Control
  • Multi-Zone A/C
  • Auto-Dimming Rearview Mirror
  • Back-Up Camera
  • Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
Mechanical
  • 8 Cylinder Engine
  • Gasoline Fuel
  • 10-Speed A/T
  • A/T
  • Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
  • Running Boards/Side Steps
  • GVWR, 11,025 lbs. (5001 kg) (Included and only available with TK20743 model and (L8T) 6.6L V8 gas engine with 18", 20" or 22" wheels.)
  • Keyless Start
  • Hill Descent Control
  • 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
  • Air filter, heavy-duty
  • Air filtration monitoring
  • 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
  • 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 when (PTT) trailer tire pressure monitor sensors are installed.)
  • Tow Hooks
  • Skid Plates, front aluminum
  • Skid Plates, Transfer case, steel
  • Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
  • Suspension, Off-Road Includes, 1.5" suspension lift: front suspension lift composed of: Control Arms, Ball Joints, Knuckles, DSSV Dampers, rear suspension lift composed of spacer block and DSSV Dampers and Half shafts w/ revised joints, 3-stage Leaf springs from 3500
  • Power Steering
  • 4-Wheel Disc Brakes
  • ABS
  • Brake lining wear indicator
  • Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)
Package
  • Automatic Highbeams
  • Front Collision Mitigation
  • Front Collision Warning
  • Lane Departure Warning
  • Tow Hitch
  • ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App
Safety
  • Front Collision Mitigation
  • Front Collision Warning
  • Stability Control
  • Traction 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
  • Rear Parking Aid
  • Aerial View Display System
  • Back-Up Camera
  • Bed View Camera, camera in the CHMSL to show a view of the cargo bed display located in infotainment screen, includes Two Trailer Camera Provisions
  • Trailer Camera Provisions and trailer viewing software
  • Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
  • Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Lane Departure Warning
  • Cross-Traffic Alert
  • Blind Spot Monitor
  • Seat Belt Adjustable Guide Loops, front row only
  • Buckle to Drive prevents vehicle from being shifted out of Park until driver seat belt is fastened; times out after 20 seconds and encourages seat belt use (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Safety Alert Seat
  • Driver Restriction Features
  • Tire Pressure Monitor
  • Trailer Tire Pressure Monitor Sensors includes set of 4 sensors. Sensor functionality requires (UET) In-Vehicle Trailering App to be ordered with the vehicle and installed by the factory. Sensors will be shipped loose with the truck and will need to be installed on trailer by customer. System is capable of monitoring up to 6 wheels. Additional or replacement sensors are available through GM Accessories
  • Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
No matches were found.
Summary
  • Vehicle Name
    GMC Sierra 2500HD
  • Body Style
    Crew Cab Pickup
  • Body Code
    E63
Transmission
  • Drivetrain
    Four Wheel Drive
  • Trans Order Code
    MGM
  • Trans Type
    10
  • Trans Description Cont.
    Automatic
  • First Gear Ratio (:1)
    4.54
  • Second Gear Ratio (:1)
    2.87
  • Third Gear Ratio (:1)
    2.06
  • Fourth Gear Ratio (:1)
    1.72
  • Fifth Gear Ratio (:1)
    1.48
  • Sixth Gear Ratio (:1)
    1.26
  • Seventh Gear Ratio (:1)
    1.00
  • Eighth Gear Ratio (:1)
    0.85
  • Ninth Gear Ratio (:1)
    0.69
  • Tenth Gear Ratio (:1)
    0.63
  • Reverse Ratio (:1)
    4.54
  • Transfer Case Gear Ratio (:1), High
    1
Interior dimensions
  • Passenger Capacity
    5
  • Front Head Room (in)
    39.88
  • 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)
    5600
  • Gross Axle Wt Rating - Rear (lbs)
    6600
  • Curb Weight - Front (lbs)
    4013
  • Curb Weight - Rear (lbs)
    2812
  • Gross Vehicle Weight Rating Cap (lbs)
    11350
  • Gross Combined Wt Rating (lbs)
    27500
Trailering
  • Dead Weight Hitch - Max Trailer Wt. (lbs)
    5000
  • Dead Weight Hitch - Max Tongue Wt. (lbs)
    500
  • Wt Distributing Hitch - Max Trailer Wt. (lbs)
    18500
  • Wt Distributing Hitch - Max Tongue Wt. (lbs)
    1850
  • Fifth Wheel Hitch - Max Trailer Wt. (lbs)
    17300
  • Fifth Wheel Hitch - Max Tongue Wt. (lbs)
    4325
  • Maximum Trailering Capacity (lbs)
    18500
Engine
  • Engine Order Code
    L5P
  • Engine Type
    Turbocharged Diesel V8
  • Displacement
    6.6L
  • Fuel System
    Direct Injection
  • SAE Net Horsepower @ RPM
    470 @ 2800
  • SAE Net Torque @ RPM
    975 @ 1600
  • Engine Oil Cooler
    Yes
Electrical
  • Cold Cranking Amps @ 0° F (Primary)
    720
  • Maximum Alternator Capacity (amps)
    220
Frame
  • Frame Type
    Box Ladder
Suspension
  • Suspension Type - Front
    Torsion Bar
  • Suspension Type - Rear
    3-Stage Multi-Leaf
  • Axle Ratio (:1) - Front
    3.42
  • Axle Ratio (:1) - Rear
    3.42
  • Shock Absorber Diameter - Front (mm)
    55
  • Shock Absorber Diameter - Rear (mm)
    51
  • Stabilizer Bar Diameter - Front (in)
    1.38
Tires
  • Front Tire Order Code
    QMG
  • Rear Tire Order Code
    QMG
  • Spare Tire Order Code
    QNZ
  • Front Tire Size
    LT305/70R18
  • Rear Tire Size
    LT305/70R18
  • Spare Tire Size
    LT305/70R18
Wheels
  • Front Wheel Size (in)
    18
  • Rear Wheel Size (in)
    18
  • Spare Wheel Size (in)
    18
  • Front Wheel Material
    Aluminum
  • Rear Wheel Material
    Aluminum
Steering
  • Steering Type
    Pwr Recirculating Ball
  • Turning Diameter - Curb to Curb (ft)
    51.8
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)
    159
  • Length, Overall (in)
    250.75
  • Width, Max w/o mirrors (in)
    81.85
  • Height, Overall (in)
    82.68
  • Cab to Axle (in)
    42.36
  • Ground Clearance, Front (in)
    11.61
  • Ground Clearance, Rear (in)
    11.61
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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Finance from
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$110,039
  • Laplante Discount -$5,000
  • Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
    Required packages: 4SA
         -$4,000
Selling Price
$101,039
Price does not include taxes and licensing fees.
Finance from
$663 bw
$105,239.00 x 84 months @ 3.99% APR with $0.00 down payment (5.28% effective rate, cost of borrowing $15,460.07). Plus HST and license.
Lease from
$776 bw
$105,089.00 x 48 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 10.02% effective rate, cost of borrowing $27,251.30). Plus HST and licence.
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive SLT in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON
2026 GMC Sierra 2500HD SLT
Crew Cab Standard Box 4-Wheel Drive SLT
  • Body Style
    Truck
  • Engine
    6.6L
  • Exterior Colour
    Black
  • Transmission
    Automatic
  • Drivetrain
    4×4
  • Stock
    18602
  • Fuel Type
    Diesel
Suggested Price:
$110,039
  • Laplante Discount -$5,000
  • Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
    Required packages: 4SA
         -$4,000
Selling Price
$101,039
Price does not include taxes and licensing fees.
Finance from
$663 bw
$105,239.00 x 84 months @ 3.99% APR with $0.00 down payment (5.28% effective rate, cost of borrowing $15,460.07). Plus HST and license.
Lease from
$776 bw
$105,089.00 x 48 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 10.02% effective rate, cost of borrowing $27,251.30). Plus HST and licence.
See Details
Suggested Price:
$96,684
  • Truck Trade In Bonus
    Eligible customers will receive $1,500 to put towards the finance/cash/lease of a new eligible 2026 Silverado/Sierra LD Crew Cab truck. Customers is required to trade-in or terminate their lease on a 2015 or newer pick up truck with a cargo bed to qualify. Only one trade-in bonus is eligible per delivery. The trade-in vehicle must have been registered in customer's name for the previous consecutive 60 days. Offer ends April 30th, 2026. Contact us for more details.
         -$1,500
  • Laplante Discount -$3,000
  • Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
    Required packages: 5SA
         -$6,000
Selling Price
$86,184
Price does not include taxes and licensing fees.
Finance from
$553 bw
$92,384.00 x 84 months @ 2.49% APR with $0.00 down payment (4.6% effective rate, cost of borrowing $8,329.16). Plus HST and license.
Lease from
$523 bw
$92,234.00 x 48 months @ 3.9% APR with $0.00 down payment (16,000 km/yr lease allowance, 6.29% effective rate, cost of borrowing $11,137.72). Plus HST and licence.
2026 GMC Sierra 1500 Crew Cab Short Box 4-Wheel Drive Denali in Silver for sale at Laplante Chevrolet Buick GMC in Casselman, ON
2026 GMC Sierra 1500 Denali
Crew Cab Short Box 4-Wheel Drive Denali
City: 10.7L/100 km • Hwy: 9.3L/100 km
  • Body Style
    Truck
  • Engine
    3.0L
  • Exterior Colour
    Silver
  • Transmission
    Automatic
  • Drivetrain
    4×4
  • Stock
    18574
  • Fuel Type
    Diesel
Suggested Price:
$96,684
  • Truck Trade In Bonus
    Eligible customers will receive $1,500 to put towards the finance/cash/lease of a new eligible 2026 Silverado/Sierra LD Crew Cab truck. Customers is required to trade-in or terminate their lease on a 2015 or newer pick up truck with a cargo bed to qualify. Only one trade-in bonus is eligible per delivery. The trade-in vehicle must have been registered in customer's name for the previous consecutive 60 days. Offer ends April 30th, 2026. Contact us for more details.
         -$1,500
  • Laplante Discount -$3,000
  • Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
    Required packages: 5SA
         -$6,000
Selling Price
$86,184
Price does not include taxes and licensing fees.
Finance from
$553 bw
$92,384.00 x 84 months @ 2.49% APR with $0.00 down payment (4.6% effective rate, cost of borrowing $8,329.16). Plus HST and license.
Lease from
$523 bw
$92,234.00 x 48 months @ 3.9% APR with $0.00 down payment (16,000 km/yr lease allowance, 6.29% effective rate, cost of borrowing $11,137.72). Plus HST and licence.
See Details
Suggested Price:
$131,074
  • Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
    Required packages: 4SG
         -$4,000
Selling Price
$127,074
Price does not include taxes and licensing fees.
Finance from
$827 bw
$131,274.00 x 84 months @ 3.99% APR with $0.00 down payment (5.02% effective rate, cost of borrowing $19,284.73). Plus HST and license.
Lease from
$1,012 bw
$131,124.00 x 48 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 9.74% effective rate, cost of borrowing $33,140.64). Plus HST and licence.
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4X in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON
2026 GMC Sierra 2500HD AT4X
Crew Cab Standard Box 4-Wheel Drive AT4X
  • Body Style
    Truck
  • Engine
    6.6L
  • Exterior Colour
    Black
  • Transmission
    Automatic
  • Drivetrain
    4×4
  • Stock
    18699
  • Fuel Type
    Diesel
Suggested Price:
$131,074
  • Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
    Required packages: 4SG
         -$4,000
Selling Price
$127,074
Price does not include taxes and licensing fees.
Finance from
$827 bw
$131,274.00 x 84 months @ 3.99% APR with $0.00 down payment (5.02% effective rate, cost of borrowing $19,284.73). Plus HST and license.
Lease from
$1,012 bw
$131,124.00 x 48 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 9.74% effective rate, cost of borrowing $33,140.64). Plus HST and licence.
See Details
Suggested Price:
$88,634
  • Truck Trade In Bonus
    Eligible customers will receive $1,500 to put towards the finance/cash/lease of a new eligible 2026 Silverado/Sierra LD Crew Cab truck. Customers is required to trade-in or terminate their lease on a 2015 or newer pick up truck with a cargo bed to qualify. Only one trade-in bonus is eligible per delivery. The trade-in vehicle must have been registered in customer's name for the previous consecutive 60 days. Offer ends April 30th, 2026. Contact us for more details.
         -$1,500
  • Laplante Discount -$2,500
  • Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
    Required packages: 2LT
         -$6,000
Selling Price
$78,634
Price does not include taxes and licensing fees.
Finance from
$508 bw
$84,834.00 x 84 months @ 2.49% APR with $0.00 down payment (4.8% effective rate, cost of borrowing $7,648.46). Plus HST and license.
Lease from
$489 bw
$84,684.00 x 48 months @ 3.9% APR with $0.00 down payment (16,000 km/yr lease allowance, 6.53% effective rate, cost of borrowing $10,152.48). Plus HST and licence.
2026 Chevrolet Silverado 1500 Crew Cab Short Box 4-Wheel Drive LT Trail Boss in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON
2026 Chevrolet Silverado 1500 LT Trail Boss
Crew Cab Short Box 4-Wheel Drive LT Trail Boss
City: 11L/100 km • Hwy: 9.9L/100 km
  • Body Style
    Truck
  • Engine
    3.0L
  • Exterior Colour
    Black
  • Transmission
    Automatic
  • Drivetrain
    4×4
  • Stock
    18484
  • Fuel Type
    Diesel
Suggested Price:
$88,634
  • Truck Trade In Bonus
    Eligible customers will receive $1,500 to put towards the finance/cash/lease of a new eligible 2026 Silverado/Sierra LD Crew Cab truck. Customers is required to trade-in or terminate their lease on a 2015 or newer pick up truck with a cargo bed to qualify. Only one trade-in bonus is eligible per delivery. The trade-in vehicle must have been registered in customer's name for the previous consecutive 60 days. Offer ends April 30th, 2026. Contact us for more details.
         -$1,500
  • Laplante Discount -$2,500
  • Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
    Required packages: 2LT
         -$6,000
Selling Price
$78,634
Price does not include taxes and licensing fees.
Finance from
$508 bw
$84,834.00 x 84 months @ 2.49% APR with $0.00 down payment (4.8% effective rate, cost of borrowing $7,648.46). Plus HST and license.
Lease from
$489 bw
$84,684.00 x 48 months @ 3.9% APR with $0.00 down payment (16,000 km/yr lease allowance, 6.53% effective rate, cost of borrowing $10,152.48). Plus HST and licence.
See Details
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* Every reasonable effort is made to ensure the accuracy of the information listed above. Vehicle pricing, incentives, options (including standard equipment), and technical specifications listed is for the 2026 GMC Sierra 2500HD AT4X may not match the exact vehicle displayed. Please confirm the accuracy of this information with a sales representative.
Laplante Chevrolet Buick GMC, ON / New Vehicles / 2026 GMC Sierra 2500HD AT4X
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Customer Information

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