New 2026 GMC Sierra 2500HD AT4X
Price $135,319
Price $139,319
  • Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
    Required packages: 4SG
    -$4,000
    Valid from 2026/04/01 - 2026/04/26

Price $135,319
+ HST & Licensing.

New 2026 GMC Sierra 2500HD AT4X

6.85ft Box Length
Sold
Price
$135,319
+ HST & Licensing.
$135,319
+ HST & Licensing.
+ HST & Licensing.
Vehicle Details
    Body Style
    Truck
    Engine
    6.6L 8Cyl
    Exterior Colour
    Tan
    Interior Colour
    Black
    Transmission
    Automatic
    Drivetrain
    4×4
    VIN
    1GT4UZEY3TF122555
    Stock
    26347
    Fuel Type
    Diesel
    Trim Details
    Crew Cab Standard Box 4-Wheel Drive AT4X
Description

The 2026 GMC Sierra 2500HD AT4X in a commanding Tan finish offers formidable 4×4 capabilities perfect for tackling any terrain with confidence. It combines rugged performance with refined handling, making it an excellent choice for those who demand both power and precision in their drive.

Externally, the truck exudes strength with its robust build, complemented by alloy wheels and running boards that reflect its adventurous spirit. Inside, the Black leather seating seamlessly integrates comfort with luxury, featuring heated and cooled seats designed for a superior driving experience. A sunroof/moonroof enhances the open-air feel, while the heads up display keeps crucial information in your line of sight.

State-of-the-art technology is at your fingertips with this GMC Sierra, featuring a navigation system and smart device integration for seamless connectivity. Whether you're on urban streets or off-road trails, enjoy peace of mind with the latest safety features, including lane assist, a backup camera, and adaptive cruise control. Parking sensors and remote start contribute to the ease and flexibility, making your drive as smooth as it is safe.

This new Sierra 2500HD AT4X is ideal for those who appreciate the blend of luxury and utility in a truck. Don't miss the opportunity to experience the perfect balance of performance and sophistication. Contact the dealership now to learn more about this exceptional vehicle and make it yours today.

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 • MKM
  • Coastal Dune • G42
  • At4X Aev Edition • ULV
    Includes (VHU) Front and (VQH) Rear AEV Stamped Steel bumpers with heavy duty cast recovery points, Gloss-black door handles and black tailgate accent, (RBJ) 18" AEV Salta Black Gloss Aluminum Wheels, (QNB) 18"x 9 spare wheel, (PZG) stamped steel front approach skid plate, (PZZ) stamped steel steering gear skid plate, (PZN) stamped steel transfer case skid plate, AEV Embroidered Headrest front only and (AAO) AEV Branded Floor liners, LPO
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)
  • 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)
  • 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
  • Tailgate and bed rail protection caps, top
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 covering, colour-keyed carpeting
  • 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)
  • 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
    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)
    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)
    11025
  • 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)
    18400
  • Wt Distributing Hitch - Max Tongue Wt. (lbs)
    1840
  • Fifth Wheel Hitch - Max Trailer Wt. (lbs)
    14800
  • Fifth Wheel Hitch - Max Tongue Wt. (lbs)
    3700
  • 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)
    170
Frame
  • Frame Type
    Box Ladder
Suspension
  • Suspension Type - Front
    Torsion Bar
  • Suspension Type - Rear
    3-Stage Multi-Leaf
  • Axle Ratio (:1) - Front
    3.73
  • Axle Ratio (:1) - Rear
    3.73
  • 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)
    252
  • Width, Max w/o mirrors (in)
    81.85
  • Height, Overall (in)
    82.68
  • Cab to Axle (in)
    42.36
  • Ground Clearance, Front (in)
    11.78
  • Ground Clearance, Rear (in)
    11.78
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
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