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New 2026 GMC Sierra 2500HD SLT
Price $106,039
Suggested Price $110,039
  • Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
    -$4,000
    Required packages: 4SA
    Valid from 2026/03/03 - 2026/03/26
Selling Price $106,039
Price does not include taxes and licensing fees.
Truck Trade In Bonus
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New 2026 GMC Sierra 2500HD SLT

Crew Cab Standard Box 4-Wheel Drive SLT
Custom Badge Image
Finance from
$695

$110,239.00 x 84 months @ 3.99% APR with $0.00 down payment (5.22% effective rate, cost of borrowing $16,194.60). Plus HST and license.
$695

$110,239.00 x 84 months @ 3.99% APR with $0.00 down payment (5.22% effective rate, cost of borrowing $16,194.60). Plus HST and license.
/ Biweekly
Lease from
$832

$110,089.00 x 48 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 9.97% effective rate, cost of borrowing $28,161.10). Plus HST and licence.
$832

$110,089.00 x 48 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 9.97% effective rate, cost of borrowing $28,161.10). Plus HST and licence.
/ Biweekly
Selling Price
$106,039
Price does not include taxes and licensing fees.
$106,039
Price does not include taxes and licensing fees.
+ Taxes and Fees
1 of 6
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 Crew Cab Standard Box 4-Wheel Drive SLT in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 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 Crew Cab Standard Box 4-Wheel Drive SLT in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 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 Crew Cab Standard Box 4-Wheel Drive SLT in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON
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 Crew Cab Standard Box 4-Wheel Drive SLT in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 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 Crew Cab Standard Box 4-Wheel Drive SLT in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON 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 Crew Cab Standard Box 4-Wheel Drive SLT in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON
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2026 GMC Sierra 2500HD SLT
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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
    18602
    Fuel Type
    Diesel
    Trim Details
    Crew Cab Standard Box 4-Wheel Drive SLT
Description

Experience the powerful combination of style and capability with the 2026 GMC Sierra 2500HD SLT Crew Cab Standard Box. Dressed in an elegant black exterior, this new 4×4 truck promises dynamism and rugged handling for every adventure.

Outside, the Sierra's refined silhouette is complemented by sleek alloy wheels and sturdy running boards, ensuring a commanding presence on the road. Step inside, where luxury meets functionality in a sophisticated black leather interior. Enjoy the comfort of heated seats and a heated steering wheel, while power seats and windows add to your convenience.

Stay connected and safe with cutting-edge technology, featuring a large navigation system and a smart device integration that enhances your drive. With a backup camera, lane assist, and a wi-fi hotspot, you can drive with confidence and peace of mind wherever you go. Additional features like remote start and satellite radio complete this truck’s impressive array of features.

This vehicle is perfect for those who need a robust and reliable companion for both work and leisure. For drivers seeking a blend of power, luxury, and modern technology, the GMC Sierra 2500HD SLT is the ideal choice. Contact our dealership today to learn more and seize the opportunity to make this incredible truck yours.

Packages & Options
Standard Equipment
Technical Specifications
Installed Packages
  • Slt Preferred Equipment Group • 4SA
    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, 20" (50.8 Cm) Bright Face Wheels • Q7J
    with dark painted pockets
  • Tires, Lt275/65R20 All-Terrain, Blackwall • QF9
  • Onyx Black • GBA
  • Seats, Front Bucket • A50
    with centre console
  • Jet Black, Perforated Leather-Appointed Front Outboard Seating Positions • H1Y
  • 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
  • Slt Convenience Package • PCY
    includes (A50) bucket seats with (D07) centre console, (KQV) ventilated front seats, (UBC) 2 USB Charge/Data ports first row inside centre console, (U01) Roof Marker Lamps, (K4C) Wireless Charging and (UQA) Bose Premium Audio System
  • Engine Block Heater • K05
  • Alternator, 220 Amps • KW5
  • High Idle Switch • UF3
  • Gooseneck / 5Th Wheel Prep Package -- Hitch Platform To Accept Gooseneck Or 5Th Wheel Hitch. • Z6A
    Includes hitch platform with tray to accept ball, stamped bed holes with removable caps installed and bed mounted 7-pin trailer harness (similar to UY2 harness). (Includes (CGN) spray-on bedliner.
  • Exhaust Brake • K40
  • Assist Steps, Chromed Tubular, 6" Rectangular Cab Length • BVQ
    (factory installed)
  • Bedliner, Spray-On, Pickup Bedliner • CGN
    with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel)
  • Winter Grille Cover • BHP
  • Lamps, Smoked Amber Roof Marker, (Led) • U01
  • License Plate Kit, Front, Incandescent Lighting • VK3
    (will be shipped to orders with ship-to provinces that require front license plate)
  • Bose Sound System, Premium 7-Speaker System With Richbass Woofer • UQA
  • Seats, Ventilated Driver And Front Passenger • KQV
  • Centre Console, Floor-Mounted • D07
    with cup holders, cell phone storage, power cord management, hanging file folder capability
  • Wireless Charging • K4C
  • Usb Ports, 2, Charge/Data Ports • UBC
    located inside centre console
No matches were found.
Options
  • Air Conditioning
  • Alloy Wheels
  • Backup Camera
  • Bluetooth Connection
  • Cruise Control
  • Heated Seats
  • Keyless Entry
  • Lane Assist
  • Leather Seats
  • Navigation System
  • 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
  • Navigation System
  • Smart Device Integration
  • Requires Subscription
  • Satellite Radio
  • WiFi Hotspot
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, rear chrome with bumper CornerSteps
  • Bed Step, Black integrated on forward portion of bed on driver and passenger side
  • CornerStep, rear bumper
  • Cargo tie downs (12), fixed, rated at 500 lbs (226.8 kg) per corner
  • Wheelhouse liners, rear
  • Mouldings, beltline, chrome
  • Grille (Chrome surround with Chrome insert bars.)
  • 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
  • Heated Mirrors
  • Integrated Turn Signal Mirrors
  • Power Folding Mirrors
  • Power Mirror(s)
  • Privacy Glass
  • Intermittent Wipers
  • Rain Sensing Wipers
  • Variable Speed Intermittent Wipers
  • Door handles, chrome
  • Tailgate, standard
  • Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
Interior
  • Split Bench Seat
  • Leather Seats
  • Pass-Through Rear Seat
  • Rear Bench Seat
  • Driver Adjustable Lumbar
  • Power Driver Seat
  • Passenger Adjustable Lumbar
  • Power Passenger Seat
  • Heated Front Seat(s)
  • Mirror Memory
  • Seat Memory
  • Floor covering, colour-keyed carpeting
  • Floor Mats
  • Steering wheel, wrapped
  • Heated Steering Wheel
  • Steering Wheel Audio Controls
  • Adjustable Steering Wheel
  • Driver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital 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
  • Power Door Locks
  • Keyless Entry
  • Keyless Start
  • Remote Engine Start
  • Cruise Control
  • 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
  • Rear Defrost
  • Auto-Dimming Rearview Mirror
  • 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, 10,850 lbs. (4921 kg) (Included and only available with TK20743 model and (L8T) 6.6L V8 gas engine with 18", 20" or 22" wheels.)
  • Keyless Start
  • Transfer case, two-speed active, electronic Autotrac with push button control (Requires 4WD models.)
  • 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
  • Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
  • Suspension Package (Not available with (X31) Off-Road Package.)
  • 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
  • Back-Up Camera
  • 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
  • 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.)
  • Driver Restriction Features
  • Tire Pressure Monitor
  • 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
  • Clutch Size (in)
    N/A
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
  • 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)
    19100
  • Fifth Wheel Hitch - Max Tongue Wt. (lbs)
    4775
  • Maximum Trailering Capacity (lbs)
    20000
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
Electrical
  • Cold Cranking Amps @ 0° F (Primary)
    720
  • Maximum Alternator Capacity (amps)
    220
  • Maximum Alternator Watts
    N/A
Suspension
  • Suspension Type - Front
    Short/Long Arm
  • Suspension Type - Rear
    Multi-Leaf Springs
  • Axle Ratio (:1) - Front
    3.42
  • Axle Ratio (:1) - Rear
    3.42
  • Shock Absorber Diameter - Front (mm)
    2.01
  • Shock Absorber Diameter - Rear (mm)
    2.01
  • Stabilizer Bar Diameter - Front (in)
    1.38
Tires
  • Front Tire Order Code
    QF9
  • Rear Tire Order Code
    QF9
  • Spare Tire Order Code
    ZYG
  • Front Tire Size
    LT275/65R20
  • Rear Tire Size
    LT275/65R20
  • Spare Tire Size
    LT275/70R18
  • Revolutions/Mile @ 45 mph - Front (Rev/Mile)
    N/A
  • Revolutions/Mile @ 45 mph - Rear (Rev/Mile)
    N/A
  • Revolutions/Mile @ 45 mph - Spare (Rev/Mile)
    N/A
Wheels
  • Front Wheel Size (in)
    20
  • Rear Wheel Size (in)
    20
  • Front Wheel Material
    Aluminum
  • Rear Wheel Material
    Aluminum
  • Spare Wheel Material
    Steel
Steering
  • Steering Type
    Pwr Recirculating Ball
  • 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)
    159
  • Length, Overall (in)
    250.75
  • Width, Max w/o mirrors (in)
    81.85
  • Height, Overall (in)
    79.82
  • Cab to Axle (in)
    42.17
  • Ground Clearance, Front (in)
    10.12
  • Ground Clearance, Rear (in)
    10.12
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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Lease from
$876 bw
$114,914.00 x 48 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 9.91% effective rate, cost of borrowing $29,250.36). Plus HST and licence.
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4 in Black for sale at Laplante Chevrolet Buick GMC in Casselman, ON
2026 GMC Sierra 2500HD AT4
Crew Cab Standard Box 4-Wheel Drive AT4
  • Body Style
    Truck
  • Engine
    6.6L
  • Exterior Colour
    Black
  • Transmission
    Automatic
  • Drivetrain
    4×4
  • Stock
    18559
  • Fuel Type
    Diesel
Suggested Price:
$117,864
  • Laplante Discount -$3,000
  • Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
    Required packages: 4SB
         -$4,000
Selling Price
$110,864
Price does not include taxes and licensing fees.
Finance from
$725 bw
$115,064.00 x 84 months @ 3.99% APR with $0.00 down payment (5.17% effective rate, cost of borrowing $16,903.41). Plus HST and license.
Lease from
$876 bw
$114,914.00 x 48 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 9.91% effective rate, cost of borrowing $29,250.36). Plus HST and licence.
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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 SLT 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 SLT
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Cash
Finance
Lease
Suggested Price $110,039
  • Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
    -$4,000
    Required packages: 4SA
    Valid from 2026/03/03 - 2026/03/26
Selling Price $106,039
Price does not include taxes and licensing fees.
Term (mo.)
Frequency
Selling Price $110,239
Price does not include taxes and licensing fees.
Interest rate
3.99%
Finance For
$110,239.00 x 84 months @ 3.99% APR with $0.00 down payment (5.22% effective rate, cost of borrowing $16,194.60). Plus HST and license.
$695 / bw
Term (mo.)
Frequency
Mileage Allowance
Selling Price $110,089
Price does not include taxes and licensing fees.
Interest rate
8.5%
Lease For
$110,089.00 x 48 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 9.97% effective rate, cost of borrowing $28,161.10). Plus HST and licence.
$832 / bw
Book a Test Drive

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  • Customer Information
  • Next
  • Next

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Please fill in your contact details so a sales agent may contact you (* are mandatory)

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The trade-in information requested below is optional. Entering in additional details will help us get you a better deal.
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Calculate Payments
Finance
Lease
Total Obligation
$126,434
Biweekly
$695
$110,239.00 x 84 months @ 3.99% APR with $0.00 down payment (5.22% effective rate, cost of borrowing $16,194.60). Plus HST and license.
Total Obligation
$86,543
Biweekly
$832
$110,089.00 x 48 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 9.97% effective rate, cost of borrowing $28,161.10). Plus HST and licence.
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