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2026 GMC Sierra 1500 Crew Cab Short Box 4-Wheel Drive At4x 4SG Preferred Equipment Group 4x4
Vehicle Details
Body Style
Truck
Engine
3.0L 6Cyl
Exterior Colour
Black
Interior Colour
Black
Transmission
Automatic
Drivetrain
4×4
Stock
T87429A
Fuel Type
Diesel
Trim Details
Crew Cab Short Box 4-Wheel Drive AT4X
Description
Sunroof, Massage Seats, Bose Premium Audio, Trailering Package, Off-Road Suspension, Adaptive Cruise Control, Wireless Charging, 360 Camera, Park Assist, Cooled Seats, Heated Steering Wheel, Remote Start, MultiPro Tailgate
Astoundingly advanced and exceedingly premium, this 2026 GMC Sierra 1500 is designed for pickup excellence.
This 2026 GMC Sierra 1500 stands out in the midsize pickup truck segment, with bold proportions that create a commanding stance on and off road. Next level comfort and technology is paired with its outstanding performance and capability. Inside, the Sierra 1500 supports you through rough terrain with expertly designed seats and robust suspension. This amazing 2026 Sierra 1500 is ready for whatever.
This Onyx Black sought after diesel Crew Cab 4X4 pickup has an Automatic transmission and is powered by a 3.0L I6 24V DDI DOHC Turbo Diesel engine.
Our Sierra 1500's trim level is AT4X. This trim blends premium comfort with advanced off-road capability, featuring a factory-installed 2-inch lift with Multimatic DSSV dampers, driver-selectable front and rear e-locking differentials, skid plates, Hill Descent Control, and a two-speed Autotrac transfer case with Terrain Mode. It includes an integrated trailer brake controller, Trailering Package with Hitch Guidance, Trailer Tire Pressure Monitoring, and the versatile MultiPro Tailgate with six functional load/access features, plus spray-on bedliner protection. On the outside, it sports rugged 18-inch aluminum wheels, stamped-steel high-approach AEV front bumper with recovery points, LED lighting with fade-on/fade-off animation, perimeter lighting, rain-sensing wipers, and a power sunroof. Inside, the cabin offers full-grain leather seating with 16-way power front seats with massage, heated and ventilated front seats, heated second-row outboard seats, a 12.3-inch reconfigurable Driver Information Centre, 13.4-inch Premium Infotainment System with Google built-in, Bose Premium 12-speaker audio, wireless Apple CarPlay/Android Auto, wireless charging, and a 15-inch multicolour Head-Up Display. Practical features include adaptive cruise control, remote start, dual-zone climate control, power outlets in the cab and bed, USB ports throughout, a rear camera mirror, and an in-vehicle trailering app with advanced trailer diagnostics. Safety is elevated with GMC Pro Safety, which integrates Forward Collision Alert, Automatic Emergency Braking, Lane Keep Assist, Following Distance Indicator, Front Pedestrian Braking, Buckle to Drive, and the Safety Alert Seat, alongside HD Surround Vision, Bed View Camera, Trailer Side Blind Zone Alert, Rear Cross Traffic Braking, Rear Pedestrian Alert, and StabiliTrak with trailer sway control and hill start assist.
0% financing for 72 months. 2.49% financing for 84 months.
Buy this vehicle now for the lowest weekly payment of $325.10 with $0 down for 84 months @ 2.49% APR O.A.C. ( Plus applicable taxes - Plus applicable fees / Federal Luxury Tax of $1429.00 included.). Incentives expire 2026-06-30. See dealer for details.
Prices include all fees except HST and license. PLEASE NOTE: Fee specifications and availability are subject to change without notice. Contact dealer for most current information. *Fuel consumption ratings and estimates based on GM testing in accordance with Government of Canada approved test methods. Refer to vehicles.nrcan.gc.ca for details.Your actual fuel consumption may vary. While we make every effort to ensure the data listed here is correct, there may be instances where some of the pricing, options or vehicle features may be listed incorrectly as we get data from multiple data sources. Please confirm the details of this vehicle with the dealer to ensure its accuracy. Dealer cannot be held liable for data that is listed incorrectly. Vehicles Displayed in any stock photos are not the actual vehicle and do not represent the actual vehicle. Please see dealer for more details
Come by and check out our fleet of 20+ used cars and trucks and 300+ new cars and trucks for sale in Cobourg. o~o
Astoundingly advanced and exceedingly premium, this 2026 GMC Sierra 1500 is designed for pickup excellence.
This 2026 GMC Sierra 1500 stands out in the midsize pickup truck segment, with bold proportions that create a commanding stance on and off road. Next level comfort and technology is paired with its outstanding performance and capability. Inside, the Sierra 1500 supports you through rough terrain with expertly designed seats and robust suspension. This amazing 2026 Sierra 1500 is ready for whatever.
This Onyx Black sought after diesel Crew Cab 4X4 pickup has an Automatic transmission and is powered by a 3.0L I6 24V DDI DOHC Turbo Diesel engine.
Our Sierra 1500's trim level is AT4X. This trim blends premium comfort with advanced off-road capability, featuring a factory-installed 2-inch lift with Multimatic DSSV dampers, driver-selectable front and rear e-locking differentials, skid plates, Hill Descent Control, and a two-speed Autotrac transfer case with Terrain Mode. It includes an integrated trailer brake controller, Trailering Package with Hitch Guidance, Trailer Tire Pressure Monitoring, and the versatile MultiPro Tailgate with six functional load/access features, plus spray-on bedliner protection. On the outside, it sports rugged 18-inch aluminum wheels, stamped-steel high-approach AEV front bumper with recovery points, LED lighting with fade-on/fade-off animation, perimeter lighting, rain-sensing wipers, and a power sunroof. Inside, the cabin offers full-grain leather seating with 16-way power front seats with massage, heated and ventilated front seats, heated second-row outboard seats, a 12.3-inch reconfigurable Driver Information Centre, 13.4-inch Premium Infotainment System with Google built-in, Bose Premium 12-speaker audio, wireless Apple CarPlay/Android Auto, wireless charging, and a 15-inch multicolour Head-Up Display. Practical features include adaptive cruise control, remote start, dual-zone climate control, power outlets in the cab and bed, USB ports throughout, a rear camera mirror, and an in-vehicle trailering app with advanced trailer diagnostics. Safety is elevated with GMC Pro Safety, which integrates Forward Collision Alert, Automatic Emergency Braking, Lane Keep Assist, Following Distance Indicator, Front Pedestrian Braking, Buckle to Drive, and the Safety Alert Seat, alongside HD Surround Vision, Bed View Camera, Trailer Side Blind Zone Alert, Rear Cross Traffic Braking, Rear Pedestrian Alert, and StabiliTrak with trailer sway control and hill start assist.
0% financing for 72 months. 2.49% financing for 84 months.
Buy this vehicle now for the lowest weekly payment of $325.10 with $0 down for 84 months @ 2.49% APR O.A.C. ( Plus applicable taxes - Plus applicable fees / Federal Luxury Tax of $1429.00 included.). Incentives expire 2026-06-30. See dealer for details.
Prices include all fees except HST and license. PLEASE NOTE: Fee specifications and availability are subject to change without notice. Contact dealer for most current information. *Fuel consumption ratings and estimates based on GM testing in accordance with Government of Canada approved test methods. Refer to vehicles.nrcan.gc.ca for details.Your actual fuel consumption may vary. While we make every effort to ensure the data listed here is correct, there may be instances where some of the pricing, options or vehicle features may be listed incorrectly as we get data from multiple data sources. Please confirm the details of this vehicle with the dealer to ensure its accuracy. Dealer cannot be held liable for data that is listed incorrectly. Vehicles Displayed in any stock photos are not the actual vehicle and do not represent the actual vehicle. Please see dealer for more details
Come by and check out our fleet of 20+ used cars and trucks and 300+ new cars and trucks for sale in Cobourg. o~o
Packages & Options
Standard Equipment
Technical Specifications
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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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Steering Wheel Audio Controls
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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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Wheels, 18" x 8.5" (45.7 cm x 21.6 cm) Gloss Black painted full-size, spare Aluminum
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Wheelhouse liners, rear
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Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
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Generic Sun/Moonroof
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Sun/Moonroof
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Front Bumper, AEV Stamped-steel high approach Front Bumper with heavy duty cast recovery points
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Bumper, rear body-colour with corner steps (Bumper colour is High Gloss Black on AT4X.)
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CornerStep, rear bumper (Not included with (ULV) AT4X AEV Edition.)
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Grille (Gloss Black header with Dark Nickel grille insert bars with gloss black accents.)
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Daytime Running Lights
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LED Headlights
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Automatic Highbeams
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Fog Lamps
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Lighting, perimeter
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Taillamps, LED LED signature taillight with LED stop, turn & reverse and Fade-on/Fade-off animation
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Heated Mirrors
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Mirror Memory
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Power Folding Mirrors
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Power Mirror(s)
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Mirror caps, high gloss Black
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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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Rear Defrost
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Sliding Rear Window
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Privacy Glass
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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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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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Door handles, body-colour (Gloss Black with (ULV) AT4X AEV Edition.)
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Bed Liner
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Premium Sound System
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Bucket Seats
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Leather Seats
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Driver Adjustable Lumbar
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Power Driver Seat
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Seat-Massage
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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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Mirror Memory
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Seat Memory
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Cooled Front Seat(s)
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Pass-Through Rear Seat
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Rear Bench Seat
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Heated Rear Seat(s)
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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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Adjustable Steering Wheel
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Leather Steering Wheel
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Heated Steering Wheel
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Driver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital display
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GMC Premium information Display-13.4" diagonal Multicolour I touch screen
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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
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Compass, located in instrument cluster
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Exterior Temperature Display, located in radio display
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Heads-Up Display
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Brake lining wear indicator
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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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Universal Garage Door Opener
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Adaptive Cruise Control
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Cruise Control
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Security System
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Steering column lock, electrical
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Wireless Charging
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Power outlet, interior power outlet, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
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Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) interior power outlet)
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Auxiliary Audio Input
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MP3 Player
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USB ports, (2) charge-only, 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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Air vents, rear
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Rear Defrost
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Auto-Dimming Rearview Mirror
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Back-Up Camera
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Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
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Diesel Fuel
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Straight 6 Cylinder Engine
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Turbocharged
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10-Speed A/T
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A/T
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Transmission w/Dual Shift Mode
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Rear axle, 3.23 ratio
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Pickup bed
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GVWR, 7300 lbs. (3311 kg) (Requires (LZ0) Duramax 3.0L Turbo-Diesel I6 engine.)
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Keyless Start
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Air filter, heavy-duty
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Automatic Stop/Start
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Hill Descent Control
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Locking/Limited Slip Differential
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Transfer case, two-speed, electronic Autotrac with push button control (4WD models only) (Includes Terrain mode.)
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Suspension, Off Road with 2" factory installed lift and Multimatic DSSV dampers (Not available with 22" LPO wheels and tires.)
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Four Wheel Drive
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Alternator, 220 amps
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Battery, heavy-duty 850 cold-cranking amps/95 Amp-hr, maintenance-free with rundown protection and retained accessory power (Included and only available with (LZ0) Duramax 3.0L Turbo-Diesel I6 engine.)
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Frame, fully-boxed, hydroformed front section
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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
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Trailer brake controller, integrated
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Skid Plates
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Cargo tie downs (12), fixed, rated at 500 lbs per corner
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Power Steering
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4-Wheel Disc Brakes
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ABS
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Capless Fuel Fill
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Exhaust, dual system (No exposed chrome tips in bumper. Only available with (LZ0) Duramax 3.0L Turbo-Diesel I6 engine.)
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Exhaust, aluminized stainless-steel muffler and tailpipe
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Tow Hitch
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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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Lane Keeping Assist
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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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Hitch View with image adjustment, Pan/Zoom/Tilt
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Hitch Guidance
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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 (Includes Trailer View Camera Provisions and Trailer Assist Guidelines.)
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Trailer Camera Provisions and trailer viewing software
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Rear Parking Aid
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Following Distance Indicator (Included and only available with (PDI) GMC Pro Safety.)
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Lane Departure Warning
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Lane Keeping Assist
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Blind Spot Monitor
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Cross-Traffic Alert
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Rear Pedestrian Alert
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Driver Monitoring
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Seat Belt Adjustable Guide Loops, front row only
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Rear Seat Belt Indicator
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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) GMC Pro Safety.)
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Tire Pressure Monitor
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Rear Seat Reminder
No matches were found.
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Vehicle NameGMC Sierra 1500
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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 CodeMQC
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Trans Type10
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Trans Description Cont.Automatic
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First Gear Ratio (:1)4.70
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Second Gear Ratio (:1)2.99
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Third Gear Ratio (:1)2.15
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Fourth Gear Ratio (:1)1.77
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Fifth Gear Ratio (:1)1.52
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Sixth Gear Ratio (:1)1.28
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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)0.64
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Reverse Ratio (:1)4.87
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Transfer Case ModelMagna MP3023/4
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Transfer Case Gear Ratio (:1), High1.00
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Transfer Case Gear Ratio (:1), Low2.69
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Passenger Capacity5
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Front Head Room (in)39.88
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Front Leg Room (in)44.53
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Front Shoulder Room (in)64.54
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Front Hip Room (in)60.78
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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)64
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Second Hip Room (in)59.24
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Gross Axle Wt Rating - Front (lbs)3950
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Gross Axle Wt Rating - Rear (lbs)3800
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Curb Weight - Front (lbs)2845
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Curb Weight - Rear (lbs)1981
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Gross Vehicle Weight Rating Cap (lbs)7300
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Gross Combined Wt Rating (lbs)15000
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EnerGuide Estimate - City (L/100 km)12.2
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EnerGuide Estimate - Hwy (L/100 km)12.0
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G/km Of CO2 Emissions326
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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)8500
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Wt Distributing Hitch - Max Tongue Wt. (lbs)850
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Fifth Wheel Hitch - Max Trailer Wt. (lbs)5200
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Fifth Wheel Hitch - Max Tongue Wt. (lbs)1300
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Maximum Trailering Capacity (lbs)8700
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Engine TypeTurbocharged Diesel I6
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Fuel SystemDirect Injection
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Engine Order CodeLZ0
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Displacement3.0L/183
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SAE Net Horsepower @ RPM305 @ 3750
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SAE Net Torque @ RPM495 @ 2750
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Cold Cranking Amps @ 0° F (Primary)850
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Maximum Alternator Capacity (amps)220
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Frame TypeHydroformed
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Suspension Type - FrontIndependent
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Suspension Type - RearSolid Axle
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Spring Capacity - Front (lbs)3950
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Spring Capacity - Rear (lbs)3850
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Axle Capacity - Front (lbs)3950
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Axle Capacity - Rear (lbs)3800
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Axle Ratio (:1) - Front3.23
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Axle Ratio (:1) - Rear3.23
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Stabilizer Bar Diameter - Front (in)1.3
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Front Tire Order CodeQFL
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Rear Tire Order CodeQFL
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Spare Tire Order CodeRHF
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Front Tire SizeLT275/70R18
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Rear Tire SizeLT275/70R18
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Spare Tire SizeLT275/70R18
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Front Tire Capacity (lbs)3800
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Rear Tire Capacity (lbs)4150
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Revolutions/Mile @ 45 mph - Front (Rev/Mile)N/A
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Revolutions/Mile @ 45 mph - Rear (Rev/Mile)N/A
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Revolutions/Mile @ 45 mph - Spare (Rev/Mile)N/A
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Front Wheel Size (in)18 x 8.5
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Rear Wheel Size (in)18 x 8.5
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Spare Wheel Size (in)18 x 8.5
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Front Wheel MaterialAluminum
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Rear Wheel MaterialAluminum
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Spare Wheel MaterialAluminum
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Steering TypeElectric Rack & Pinion
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Turning Diameter - Curb to Curb (ft)47.3
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Turning Diameter - Wall to Wall (ft)N/A
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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)13 x 1.18
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Rear Brake Rotor Diam x Thickness (in)13.6 x 0.79
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Fuel Tank Capacity, Approx (L)91
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Wheelbase (in)148
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Length, Overall (in)233.96
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Width, Max w/o mirrors (in)81.23
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Height, Overall (in)78.65
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Ground Clearance, Front (in)11.5
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Ground Clearance, Rear (in)11.5
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Cargo Box Length @ Floor (in)69.92
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Cargo Box Width @ Floor (in)71.4
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Cargo Box Width @ Wheelhousings (in)50.63
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Cargo Box (Area) Height (in)22.42
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Cargo Volume (ft³)62.9
No matches were found.
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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 1500 AT4X may not match the exact vehicle displayed. Please confirm the accuracy of this information with a sales representative.
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