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2021 GMC Sierra 1500 AT4
Vehicle Details
Body Style
Truck
Engine
3.0L 6Cyl
Exterior Colour
Blue
Interior Colour
Black
Transmission
Automatic
Drivetrain
4×4
Stock #
25138A
Trim Details
Crew Cab Standard Box 4-Wheel Drive AT4
The 2021 GMC Sierra 1500 AT4 stands out with its striking blue exterior and robust 4x4 drivetrain, ensuring you have superior handling for all your off-road adventures. This Crew Cab Standard Box Truck combines ruggedness with a convenient automatic transmission, powered by a 3.0L 6-cylinder engine delivering an impressive 277 horsepower at 3750 RPM.
The elegant exterior of the Sierra 1500 is complemented by stylish alloy wheels and heated mirrors, while the sophisticated black leather interior offers luxurious touches like power seats and a heated steering wheel. Enjoy superior comfort with features such as heated and cooled front seats and remote start, making every journey enjoyable regardless of the weather.
Technology enthusiasts will appreciate the integrated backup camera and smart device integration, providing a modern driving experience. Stay connected on the road with Wi-Fi hotspot functionality, satellite radio, and Bluetooth connection, while driver assistance features like cruise control add to your peace of mind.
This truck is perfect for the discerning driver who needs a reliable vehicle for both outdoor and urban settings, offering power, style, and advanced features. Contact us today to learn more and take the next step towards owning this exceptional GMC Sierra 1500 AT4.
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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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Smart Device Integration
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HD Radio
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Requires Subscription
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Satellite Radio
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Audio system feature, 6-speaker 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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Tires - Front All-Season
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Tires - Rear All-Season
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Wheel, 17" x 8" (43.2 cm x 20.3 cm) full-size, steel spare
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Wheelhouse liners, rear
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Bumper, front, body-colour lower (Front bumper colour will be high gloss black.)
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Bumper, rear body-colour with corner steps
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CornerStep, rear bumper
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Grille (Body-colour surround with high gloss Black mesh and Black chrome inserts. With (PCP) AT4 CarbonPro Edition the grille will have a unique grille surround with Black Chrome finish.)
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Daytime Running Lights
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Fog Lamps
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Taillamps, LED signature taillight with LED stop and reverse light
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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 box activated with switch on centre switch bank or key fob
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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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Privacy Glass
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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
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Bed Liner
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Cargo tie downs (12), fixed rated at 500 lbs (226.8 kg) per corner
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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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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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Rear Bench Seat
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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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Steering column, lock control, electrical
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Leather Steering Wheel
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Heated Steering Wheel
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Instrument cluster 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
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Compass, located in instrument cluster
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Driver Information Centre, 4.2" diagonal colour display includes driver personalization
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In-vehicle Trailering App includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder and trailer electrical diagnostics
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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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Cruise Control
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Mirror Memory
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Seat Memory
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Security System
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Auxiliary Audio Input
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MP3 Player
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Power Outlet
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Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
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USB ports, dual, charge-only (2nd row)
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Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
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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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GMC Connected Access capable (Subject to terms. See onstar.ca or dealer for details.)
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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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Rear axle, 3.23 ratio
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Pickup bed
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GVWR, 7100 lbs. (3221 kg) (Requires Crew Cab 4WD model and (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
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Air filter, heavy-duty
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Engine block heater
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Automatic Stop/Start (Standard on vehicles built before 6-7-2021. Most vehicles built on or after 6-7-2021 that are equipped with a V8 engine and (MQB) 10-speed automatic transmission will have (NSS) Not Equipped with Automatic Stop/Start, which removes Automatic Stop/Start and its content. See dealer for details.)
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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)
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Suspension, Off-Road with 2" factory installed lift and monotube shocks
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Four Wheel Drive
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Alternator, 220 amps (Included and only available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
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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 (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
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Frame, fully-boxed, hydroformed front section
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Skid Plates
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Trailer brake controller, integrated
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Tow Hooks
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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
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Exhaust, aluminized stainless-steel muffler and tailpipe
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Exhaust, dual with premium tips (With (PCP) AT4 CarbonPro Edition the exhaust tips will be black.)
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Tow Hitch
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ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (U1D) In-vehicle Trailering App
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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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Back-Up Camera
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Hitch Guidance
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Driver Restriction Features
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Tire Pressure Monitor
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Rear Seat Reminder
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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 CodeMQB
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Trans Type10
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Trans Description Cont.Automatic
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First Gear Ratio (:1)4.69
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Second Gear Ratio (:1)2.98
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Third Gear Ratio (:1)2.15
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Fourth Gear Ratio (:1)1.8
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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)0.63
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Reverse Ratio (:1)4.86
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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)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)65.16
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Second Hip Room (in)60.24
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Gross Axle Wt Rating - Front (lbs)3800
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Gross Axle Wt Rating - Rear (lbs)3800
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Curb Weight - Front (lbs)2918
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Curb Weight - Rear (lbs)1949
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Gross Vehicle Weight Rating Cap (lbs)7100
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Gross Combined Wt Rating (lbs)15000
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EnerGuide Estimate - City (L/100 km)10.6
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EnerGuide Estimate - Hwy (L/100 km)9.2
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G/km Of CO2 Emissions268
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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)8900
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Wt Distributing Hitch - Max Tongue Wt. (lbs)890
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Fifth Wheel Hitch - Max Trailer Wt. (lbs)6400
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Fifth Wheel Hitch - Max Tongue Wt. (lbs)1600
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Maximum Trailering Capacity (lbs)9000
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Engine TypeDiesel I6
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Fuel SystemDirect Injection
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Engine Order CodeLM2
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Displacement3.0L/183
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SAE Net Horsepower @ RPM277 @ 3750
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SAE Net Torque @ RPM460 @ 1500
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Engine Oil CoolerYes
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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 TypeBox Ladder
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Suspension Type - FrontIndependent
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Suspension Type - RearSolid Axle
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Spring Capacity - Front (lbs)3800
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Spring Capacity - Rear (lbs)3850
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Axle Capacity - Front (lbs)3800
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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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Shock Absorber Diameter - Front (mm)50
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Shock Absorber Diameter - Rear (mm)51
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Stabilizer Bar Diameter - Front (in)1.3
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Front Tire Order CodeXCK
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Rear Tire Order CodeXCK
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Spare Tire Order CodeXCQ
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Front Tire Size265/65R18SL
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Rear Tire Size265/65R18SL
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Spare Tire Size265/70R17SL
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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)17 x 8
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Front Wheel MaterialAluminum
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Rear Wheel MaterialAluminum
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Spare Wheel MaterialSteel
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Steering TypeElectric Rack & Pinion
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Turning Diameter - Curb to Curb (ft)49.5
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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)13.5 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)157.05
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Length, Overall (in)241.25
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Width, Max w/o mirrors (in)81.24
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Height, Overall (in)78.22
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Ground Clearance, Front (in)10.7
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Ground Clearance, Rear (in)10.7
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Cargo Box Length @ Floor (in)79.44
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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)22.4
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Tailgate Width (in)71.4
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Cargo Volume (ft³)71.7
No matches were found.
* 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 2021 GMC Sierra 1500 AT4 may not match the exact vehicle displayed. Please confirm the accuracy of this information with a sales representative.