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New 2026 GMC Sierra 2500HD AT4
Price $92,672
Suggested Price $106,274
  • John Bear Discount
    -$8,602
  • Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
    Required packages: 4SB
    -$5,000
    Valid from 2026/05/01 - 2026/06/30
All In Price $92,672
Price does not include taxes and licensing fees. Price does include the $400 admin fee.
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New 2026 GMC Sierra 2500HD AT4

6.85ft Box Length
Sold
All In Price
$92,672
Price does not include taxes and licensing fees. Price does include the $400 admin fee.
$92,672
Price does not include taxes and licensing fees. Price does include the $400 admin fee.
+ Taxes and Fees
1 of 12
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4 in Summit White for sale at John Bear St Catharines in St. Catharines, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4 in Summit White for sale at John Bear St Catharines in St. Catharines, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4 in Summit White for sale at John Bear St Catharines in St. Catharines, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4 in Summit White for sale at John Bear St Catharines in St. Catharines, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4 in Summit White for sale at John Bear St Catharines in St. Catharines, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4 in Summit White for sale at John Bear St Catharines in St. Catharines, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4 in Summit White for sale at John Bear St Catharines in St. Catharines, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4 in Summit White for sale at John Bear St Catharines in St. Catharines, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4 in Summit White for sale at John Bear St Catharines in St. Catharines, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4 in Summit White for sale at John Bear St Catharines in St. Catharines, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4 in Summit White for sale at John Bear St Catharines in St. Catharines, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4 in Summit White for sale at John Bear St Catharines in St. Catharines, ON
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4 in Summit White for sale at John Bear St Catharines in St. Catharines, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4 in Summit White for sale at John Bear St Catharines in St. Catharines, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4 in Summit White for sale at John Bear St Catharines in St. Catharines, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4 in Summit White for sale at John Bear St Catharines in St. Catharines, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4 in Summit White for sale at John Bear St Catharines in St. Catharines, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4 in Summit White for sale at John Bear St Catharines in St. Catharines, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4 in Summit White for sale at John Bear St Catharines in St. Catharines, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4 in Summit White for sale at John Bear St Catharines in St. Catharines, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4 in Summit White for sale at John Bear St Catharines in St. Catharines, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4 in Summit White for sale at John Bear St Catharines in St. Catharines, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4 in Summit White for sale at John Bear St Catharines in St. Catharines, ON 2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4 in Summit White for sale at John Bear St Catharines in St. Catharines, ON
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2026 GMC Sierra 2500HD AT4
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Vehicle Details
    Body Style
    Truck
    Engine
    6.6L 8Cyl
    Exterior Colour
    Summit White
    Interior Colour
    Jet Black with Kalahari accents
    Transmission
    Automatic
    Drivetrain
    4×4
    VIN
    1GT4UPE73TF263024
    Stock
    9215-26
    Fuel Type
    Gasoline
    Trim Details
    Crew Cab Standard Box 4-Wheel Drive AT4
Packages & Options
Standard Equipment
Technical Specifications
Installed Packages
  • At4 Preferred Equipment Group • 4SB
    includes standard equipment
  • Engine, 6.6L V8 With Direct Injection And Variable Valve Timing, Gasoline • L8T
    (401 hp [299 kW] @ 5200 rpm, 464 lb-ft of torque [629 N-m] @ 4000 rpm)
  • Transmission, 10-Speed Automatic • MKM
  • Gvwr, 10,850 Lbs. (4921 Kg) • JGH
  • Rear Axle, 3.73 Ratio • GT4
  • Wheels, 20" (50.8 Cm) High Gloss Black Aluminum Wheels • Q7N
    8 spokes
  • Tires, Lt275/65R20 All-Terrain, Blackwall • QF9
  • Summit White • GAZ
  • Seats, Front Bucket • A50
    with centre console
  • Jet Black With Kalahari Accents, Perforated Front Leather Seat Trim • HVD
  • 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
  • At4 Premium Plus Package • PDG
    includes (PDO) AT4 Preferred Package, (CF5) power sunroof, (CWM) Technology Package and (VXW) AT4 high clearance step, LPO
  • Technology Package • CWM
    includes (DRZ) Rear Camera Mirror and (UV6) Multicolour 15" Diagonal Head-Up Display
  • At4 Preferred Package • PDO
    includes (UG1) Universal Home Remote, (A48) rear sliding power window and (U01) Roof Marker Lamps
  • Sunroof, Power • CF5
  • Lpo, Off-Road High Clearance Steps • VXW
    (dealer-installed)
  • Lpo, Hard Folding Truck Bed Cover By Realtruck Advantage • VOZ
    (dealer-installed)
  • 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)
  • Multicolour 15" Diagonal Head-Up Display • UV6
  • Window, Power, Rear Sliding With Rear Defogger • A48
  • Universal Home Remote • UG1
  • Rear Camera Mirror • DRZ
    inside rearview auto-dimming with full camera display
No matches were found.
Options
  • Air Conditioning
  • Alloy Wheels
  • Backup Camera
  • Bluetooth Connection
  • Cooled Seats
  • Cruise Control
  • 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
  • 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-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
  • Bed Liner
  • Bed Step, Black integrated on forward portion of bed on driver and passenger side
  • CornerStep, rear bumper
  • Mouldings, beltline, Black
  • Grille (Gloss Black header and grille insert bars with Black Chrome accents.)
  • 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)
  • Mirror caps, high gloss Black
  • Privacy Glass
  • Intermittent Wipers
  • Rain Sensing Wipers
  • Variable Speed Intermittent Wipers
  • Integrated Tailgate Step
  • Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
Interior
  • Bucket Seats
  • 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)
  • Cooled Front Seat(s)
  • Heated Rear 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
  • Adaptive Cruise Control
  • Cruise Control
  • Wireless Charging
  • Security System
  • Auxiliary Audio Input
  • MP3 Player
  • 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
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
  • 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 protect the oil pan, front axle and transfer case
  • Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
  • Suspension, Off-Road includes twin-tube shocks
  • Power Steering
  • 4-Wheel Disc Brakes
  • ABS
  • Brake lining wear indicator
  • 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
  • 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
  • Trailer Camera Provisions and trailer viewing software
  • Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
  • Lane Departure Warning
  • Rear Seat Belt Indicator
  • 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
  • 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
    MKM
  • 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)
    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
  • Curb Weight - Front (lbs)
    4013
  • Curb Weight - Rear (lbs)
    2812
  • Gross Vehicle Weight Rating Cap (lbs)
    10850
  • Gross Combined Wt Rating (lbs)
    26000
Trailering
  • Dead Weight Hitch - Max Trailer Wt. (lbs)
    5000
  • Dead Weight Hitch - Max Tongue Wt. (lbs)
    500
  • Wt Distributing Hitch - Max Trailer Wt. (lbs)
    16000
  • Wt Distributing Hitch - Max Tongue Wt. (lbs)
    1600
  • Fifth Wheel Hitch - Max Trailer Wt. (lbs)
    18000
  • Fifth Wheel Hitch - Max Tongue Wt. (lbs)
    4500
  • 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
    Box Ladder
Suspension
  • Suspension Type - Front
    Short/Long Arm w/Torsion Bar
  • Suspension Type - Rear
    2-Stage Multi-Leaf
  • 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
    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
Wheels
  • Front Wheel Size (in)
    20
  • Rear Wheel Size (in)
    20
  • 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)
    52.7
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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  • John Bear Discount -$6,223
All In Price
$91,850
Price does not include taxes and licensing fees. Price does include the $400 admin fee.
Finance from
$587 bw
$98,073.00 x 84 months @ 2.49% APR with $0.00 down payment (4.48% effective rate, cost of borrowing $8,842.06). Plus taxes and licence.
Lease from
$541 bw
$91,850.00 x 48 months @ 3.9% APR with $0.00 down payment (16,000 km/yr lease allowance, estimated lease rate, cost of borrowing $10,917.22). Plus taxes and licence.
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Suggested Price:
$108,444
  • Luxury Tax +$179
  • John Bear Discount -$7,551
All In Price
$101,072
Price does not include taxes and licensing fees. Price does include the $400 admin fee.
Finance from
$660 bw
$110,132.80 x 84 months @ 2.49% APR with $0.00 down payment (5.1% effective rate, cost of borrowing $9,929.35). Plus taxes and licence.
Lease from
$637 bw
$101,071.60 x 48 months @ 3.9% APR with $0.00 down payment (16,000 km/yr lease allowance, estimated lease rate, cost of borrowing $11,663.32). Plus taxes and licence.
2026 GMC Sierra 1500 Crew Cab Short Box 4-Wheel Drive Denali in White for sale at John Bear St Catharines in St. Catharines, ON
2026 GMC Sierra 1500 Denali
Crew Cab Short Box 4-Wheel Drive
VIN: 1GTUUGEL4TZ223692
City: 16L/100 km • Hwy: 12.1L/100 km
  • Engine
    6.2L
  • Exterior Colour
    White
  • Drivetrain
    4×4
  • Stock
    8987-26
  • Fuel Type
    Gasoline
Suggested Price:
$108,444
  • Luxury Tax +$179
  • John Bear Discount -$7,551
All In Price
$101,072
Price does not include taxes and licensing fees. Price does include the $400 admin fee.
Finance from
$660 bw
$110,132.80 x 84 months @ 2.49% APR with $0.00 down payment (5.1% effective rate, cost of borrowing $9,929.35). Plus taxes and licence.
Lease from
$637 bw
$101,071.60 x 48 months @ 3.9% APR with $0.00 down payment (16,000 km/yr lease allowance, estimated lease rate, cost of borrowing $11,663.32). Plus taxes and licence.
View 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 AT4 may not match the exact vehicle displayed. Please confirm the accuracy of this information with a sales representative.
John Bear St Catharines, ON / New Vehicles / 2026 GMC Sierra 2500HD AT4
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Cash
Suggested Price $106,274
  • John Bear Discount
    -$8,602
  • Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
    Required packages: 4SB
    -$5,000
    Valid from 2026/05/01 - 2026/06/30
All In Price $92,672
Price does not include taxes and licensing fees. Price does include the $400 admin fee.
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Calculate Payments
Total Obligation
$92,672
Monthly
$7,723
Price does not include taxes and licensing fees. Price does include the $400 admin fee.
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