Experience the might of the 2026 GMC Sierra 2500HD AT4 in a sleek silver finish with its commanding 4×4 drivetrain. This robust truck offers exceptional handling, making it perfect for those who demand power in their daily drives.
The Sierra's exterior exudes strength, complemented by rugged styling and athletic lines. Its meticulously designed interior, finished in sophisticated black, provides luxury and comfort with features such as leather seats and a heated steering wheel. With options like running boards, alloy wheels, and remote start, every drive becomes an adventure.
Stay connected and in control with advanced technology, including a navigation system, Bluetooth connectivity, smart device integration, and a Wi-Fi hotspot. The vehicle is equipped with cutting-edge safety features like lane assist, parking sensors, and adaptive cruise control to enhance your driving confidence.
Perfect for those who need a reliable partner for work or recreational activities, this new GMC Sierra 2500HD AT4 is ready to tackle any challenge. Don’t miss the opportunity to make it yours—contact us today to find out more!
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At4 Preferred Equipment Group • 4SBincludes standard equipment
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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.)
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Transmission, 10-Speed Automatic • MGM
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Gvwr, 11,750 Lbs. (5330 Kg) • JGP
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Rear Axle, 3.42 Ratio • GU6
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Wheels, 20" (50.8 Cm) High Gloss Black Aluminum Wheels • Q7N8 spokes
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Tires, Lt275/65R20 All-Terrain, Blackwall • QF9
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Sterling Metallic • GXD
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Seats, Front Bucket • A50with centre console
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Jet Black With Kalahari Accents, Perforated Front Leather Seat Trim • HVD
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Audio System, 13.4" Diagonal Premium Gmc Infotainment System With Google Built In Apps Such As Navigation And Voice Assistance • IOKincludes 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
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At4 Premium Plus Package • PDGincludes (PDO) AT4 Preferred Package, (CF5) power sunroof, (CWM) Technology Package and (VXW) AT4 high clearance step, LPO
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Technology Package • CWMincludes (DRZ) Rear Camera Mirror and (UV6) Multicolour 15" Diagonal Head-Up Display
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At4 Preferred Package • PDOincludes (UG1) Universal Home Remote, (A48) rear sliding power window and (U01) Roof Marker Lamps
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Engine Block Heater • K05
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Alternator, 220 Amps • KW5
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Gooseneck / 5Th Wheel Prep Package -- Hitch Platform To Accept Gooseneck Or 5Th Wheel Hitch. • Z6AIncludes 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).
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Exhaust Brake • K40
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Sunroof, Power • CF5
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Assist Steps, Power Retractable, Black • B3Lincludes LED lighting
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Lpo, Front And Rear Moulded Splash Guards, Black • VQK(dealer-installed)
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Winter Grille Cover • BHP
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Lamps, Smoked Amber Roof Marker, (Led) • U01
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License Plate Kit, Front, Incandescent Lighting • VK3(will be shipped to orders with ship-to provinces that require front license plate)
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Multicolour 15" Diagonal Head-Up Display • UV6
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Window, Power, Rear Sliding With Rear Defogger • A48
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Universal Home Remote • UG1
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Rear Camera Mirror • DRZinside rearview auto-dimming with full camera display
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Air Conditioning
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Alloy Wheels
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Backup Camera
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Bluetooth Connection
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Cooled Seats
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Cruise Control
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Heated Seats
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Keyless Entry
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Lane Assist
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Leather Seats
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Navigation System
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Parking Sensors
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Power Seats
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Power Windows
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Remote Start
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Running Boards
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Satellite Radio
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Smart Device Integration
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Wi-Fi Hotspot
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AM/FM Stereo
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Auxiliary Audio Input
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Bluetooth Connection
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MP3 Player
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Navigation System
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Smart Device Integration
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Requires Subscription
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Satellite Radio
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Premium Sound System
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WiFi Hotspot
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Aluminum Wheels
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Tires - Front All-Terrain
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Tires - Rear All-Terrain
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Conventional Spare Tire
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Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
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Bumper, front, body-colour lower
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Bed Liner
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CornerStep, rear bumper
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Cargo tie downs (12), fixed, rated at 500 lbs (226.8 kg) per corner
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Grille (Gloss Black header and grille insert bars with Black Chrome accents.)
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Daytime Running Lights
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Automatic Highbeams
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Fog Lamps
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Lamps, cargo area cab mounted integrated with centre high mount stop lamp, with switch in bank on left side of steering wheel
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LED Cargo Area Lighting located in cargo bed activated with switch on centre switch bank or key fob
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Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
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Heated Mirrors
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Integrated Turn Signal Mirrors
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Power Folding Mirrors
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Power Mirror(s)
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Privacy Glass
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Intermittent Wipers
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Rain Sensing Wipers
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Variable Speed Intermittent Wipers
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Door handles, body-colour
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Integrated Tailgate Step
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Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
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Tailgate and bed rail protection caps, top
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Bucket Seats
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Leather Seats
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Pass-Through Rear Seat
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Rear Bench Seat
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Driver Adjustable Lumbar
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Power Driver Seat
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Passenger Adjustable Lumbar
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Power Passenger Seat
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Heated Front Seat(s)
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Cooled Front Seat(s)
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Heated Rear Seat(s)
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Mirror Memory
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Seat Memory
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Centre Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
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Floor covering, colour-keyed carpeting
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Floor Mats
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Steering wheel, wrapped
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Heated Steering Wheel
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Steering Wheel Audio Controls
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Adjustable Steering Wheel
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Driver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital display
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Rear Seat Reminder
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GMC Premium information Display- 13.4" diagonal Multicolour touch screen
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Exterior Temperature Display, located in radio display
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Compass, located in instrument cluster
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Power Windows
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Power Door Locks
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Keyless Entry
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Keyless Start
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Remote Engine Start
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Adaptive Cruise Control
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Cruise Control
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Wireless Charging
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Security System
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Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
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Auxiliary Audio Input
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MP3 Player
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Air vents, rear
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A/C
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Climate Control
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Multi-Zone A/C
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Rear Defrost
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Auto-Dimming Rearview Mirror
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Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
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8 Cylinder Engine
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Gasoline Fuel
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10-Speed A/T
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A/T
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Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
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Running Boards/Side Steps
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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.)
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Keyless Start
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Hill Descent Control
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Transfer case, two-speed active, electronic Autotrac with push button control
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Locking/Limited Slip Differential
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Four Wheel Drive
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Cooling, external engine oil cooler
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Cooling, auxiliary external transmission oil cooler
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Air filter, heavy-duty
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Air filtration monitoring
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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.)
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Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
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Trailer brake controller, integrated
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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.)
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Tow Hooks
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Skid Plates protect the oil pan, front axle and transfer case
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Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
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Suspension, Off-Road includes twin-tube shocks
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Power Steering
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4-Wheel Disc Brakes
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ABS
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Brake lining wear indicator
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Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)
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X31 Off-Road Package includes (JHD) Hill Descent Control, (NZZ) skid plates, Off-Road suspension and Twin-tube Rancho shocks
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Automatic Highbeams
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Front Collision Mitigation
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Front Collision Warning
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Lane Departure Warning
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Tow Hitch
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ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App
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Front Collision Mitigation
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Front Collision Warning
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Stability Control
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Traction Control
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Daytime Running Lights
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Driver Air Bag
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Front Head Air Bag
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Front Side Air Bag
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Passenger Air Bag
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Passenger Air Bag Sensor
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Rear Head Air Bag
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Requires Subscription
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Telematics
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Rear Parking Aid
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Aerial View Display System
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Back-Up Camera
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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
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Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
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Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
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Lane Departure Warning
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Cross-Traffic Alert
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Blind Spot Monitor
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Seat Belt Adjustable Guide Loops, front row only
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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.)
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Safety Alert Seat
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Driver Restriction Features
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Tire Pressure Monitor
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Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
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Vehicle NameGMC Sierra 2500HD
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Body StyleCrew Cab Pickup
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Body CodeE63
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DrivetrainFour Wheel Drive
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Trans Order CodeMGM
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Trans Type10
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Trans Description Cont.Automatic
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First Gear Ratio (:1)4.54
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Second Gear Ratio (:1)2.87
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Third Gear Ratio (:1)2.06
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Fourth Gear Ratio (:1)1.72
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Fifth Gear Ratio (:1)1.48
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Sixth Gear Ratio (:1)1.26
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Seventh Gear Ratio (:1)1.00
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Eighth Gear Ratio (:1)0.85
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Ninth Gear Ratio (:1)0.69
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Tenth Gear Ratio (:1)0.63
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Reverse Ratio (:1)4.54
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Transfer Case Gear Ratio (:1), High1
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Passenger Capacity5
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Front Head Room (in)43.03
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Front Leg Room (in)44.53
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Front Shoulder Room (in)66.02
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Front Hip Room (in)61.18
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Second Head Room (in)40.12
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Second Leg Room (in)43.4
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Second Shoulder Room (in)65.3
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Second Hip Room (in)60.24
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Gross Axle Wt Rating - Front (lbs)5600
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Curb Weight - Front (lbs)4013
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Curb Weight - Rear (lbs)2812
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Gross Vehicle Weight Rating Cap (lbs)11750
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Gross Combined Wt Rating (lbs)27500
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Dead Weight Hitch - Max Trailer Wt. (lbs)5000
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Dead Weight Hitch - Max Tongue Wt. (lbs)500
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Wt Distributing Hitch - Max Trailer Wt. (lbs)18500
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Wt Distributing Hitch - Max Tongue Wt. (lbs)1850
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Fifth Wheel Hitch - Max Trailer Wt. (lbs)17300
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Fifth Wheel Hitch - Max Tongue Wt. (lbs)4325
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Maximum Trailering Capacity (lbs)20000
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Engine Order CodeL5P
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Engine TypeTurbocharged Diesel V8
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Displacement6.6L
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Fuel SystemDirect Injection
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SAE Net Horsepower @ RPM470 @ 2800
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SAE Net Torque @ RPM975 @ 1600
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Engine Oil CoolerYes
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Cold Cranking Amps @ 0° F (Primary)720
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Maximum Alternator Capacity (amps)220
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Frame TypeBox Ladder
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Suspension Type - FrontShort/Long Arm w/Torsion Bar
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Suspension Type - Rear2-Stage Multi-Leaf
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Axle Ratio (:1) - Front3.42
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Axle Ratio (:1) - Rear3.42
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Shock Absorber Diameter - Front (mm)51
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Shock Absorber Diameter - Rear (mm)51
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Stabilizer Bar Diameter - Front (in)1.38
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Front Tire Order CodeQF9
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Rear Tire Order CodeQF9
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Spare Tire Order CodeZYG
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Front Tire SizeLT275/65R20
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Rear Tire SizeLT275/65R20
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Spare Tire SizeLT275/70R18
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Front Wheel Size (in)20
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Rear Wheel Size (in)20
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Spare Wheel Size (in)18
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Front Wheel MaterialAluminum
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Rear Wheel MaterialAluminum
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Steering TypePwr Recirculating Ball
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Turning Diameter - Curb to Curb (ft)52.7
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Brake TypePwr
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Brake ABS System4-Wheel
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Disc - FrontYes
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Disc - RearYes
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Front Brake Rotor Diam x Thickness (in)14 x 1.6
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Rear Brake Rotor Diam x Thickness (in)14.1 x 1.3
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Fuel Tank Capacity, Approx (L)136
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Wheelbase (in)159
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Length, Overall (in)250.75
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Width, Max w/o mirrors (in)81.85
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Height, Overall (in)79.82
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Cab to Axle (in)42.17
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Ground Clearance, Front (in)10.12
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Ground Clearance, Rear (in)10.12
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Cargo Box Length @ Floor (in)82.2
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Cargo Box Width @ Floor (in)71.4
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Cargo Box Width @ Wheelhousings (in)51.85
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Cargo Box (Area) Height (in)21
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Cargo Volume (ft³)69.5
- Fee +$1,071
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Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
Required packages: 5SB-$6,000
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Body StyleTruck
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Engine3.0L
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Exterior ColourSilver
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TransmissionAutomatic
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Drivetrain4×4
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Stock26422
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Fuel TypeDiesel
- Fee +$1,071
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Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
Required packages: 5SB-$6,000
- Fee +$1,071
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Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
Required packages: 5SA&L8T-$4,000
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Body StyleTruck
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Engine6.6L
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Exterior ColourWhite
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TransmissionAutomatic
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Drivetrain4×4
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Stock26112
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Fuel TypeGasoline
- Fee +$1,071
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Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
Required packages: 5SA&L8T-$4,000
- Fee +$1,071
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Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
Required packages: 5SA&L5P-$4,000
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Body StyleTruck
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Engine6.6L
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Exterior ColourBlue
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TransmissionAutomatic
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Drivetrain4×4
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Stock26169
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Fuel TypeDiesel
- Fee +$1,071
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Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
Required packages: 5SA&L5P-$4,000
- Fee +$1,071
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Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
Required packages: 3LZ&L5P-$4,000
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Body StyleTruck
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Engine6.6L
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Exterior ColourBlack
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TransmissionAutomatic
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Drivetrain4×4
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Stock26320
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Fuel TypeGasoline
- Fee +$1,071
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Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
Required packages: 3LZ&L5P-$4,000
- Fee +$1,071
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Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
Required packages: 5SA&L5P-$4,000
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Body StyleTruck
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Engine6.6L
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Exterior ColourWhite
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TransmissionAutomatic
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Drivetrain4×4
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Stock26187
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Fuel TypeDiesel
- Fee +$1,071
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Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
Required packages: 5SA&L5P-$4,000
- Fee +$1,071
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Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
Required packages: 5SA&L5P-$4,000
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Body StyleTruck
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Engine6.6L
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Exterior ColourBlack
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TransmissionAutomatic
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Drivetrain4×4
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Stock26113
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Fuel TypeDiesel
- Fee +$1,071
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Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
Required packages: 5SA&L5P-$4,000
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Non-Stackable Cash Delivery Allowance (NSCDA) - CBGRequired packages: 4SB&L5P-$4,000Valid from 2026/04/01 - 2026/04/26