Vehicle Details
Body Style
Truck
Engine
5.3L 8Cyl
Exterior Colour
Blue
Transmission
Automatic
Drivetrain
4×4
Stock
303428
Fuel Type
Gasoline
Trim Details
Crew Cab Short Box 4-Wheel Drive SLT
Description
The 2021 GMC Sierra 1500 SLT Crew Cab Short Box 4WD blends bold capability, refined craftsmanship, and modern technology into a confident full-size pickup. With its striking chrome accents, spacious crew cab design, and advanced features, this Sierra delivers a perfect balance of work-ready strength and everyday comfort.
Performance & Capability
Engine: 5.3L ECOTEC3 V8 with Dynamic Fuel Management delivering strong, efficient performance
Transmission: Smooth-shifting 8-speed automatic for responsive power delivery
Drivetrain: Autotrac 4-Wheel Drive (4WD) for enhanced traction in all road conditions
Axle Ratio: 3.23 rear axle for balanced towing capability and fuel efficiency
Suspension: Standard suspension tuned for a comfortable, controlled ride
Locking Rear Differential: Automatic engagement for improved traction on uneven terrain
Trailering Equipment: Integrated trailer brake controller, hitch guidance with Hitch View, and advanced trailering system
Cooling Systems: Heavy-duty engine oil and transmission cooling for sustained performance
Winter & Weather Comfort
Heated & Ventilated Front Seats for year-round comfort
Heated Rear Outboard Seats and Heated Steering Wheel for cold-weather convenience
Remote Start System to pre-condition the cabin before you enter
Tri-Zone Automatic Climate Control for personalized comfort across all rows
Engine Block Heater for dependable cold starts
Deep-Tinted Glass for added privacy and protection from the elements
Interior Comfort & Convenience
Front Bucket Seats with power adjustability and driver memory settings
Crew Cab Configuration offering generous rear-seat legroom and storage
Power Sliding Rear Window for ventilation and accessibility
Wireless Charging Pad and multiple USB ports for seamless connectivity
120V Power Outlets in cabin and bed for added utility
Keyless Open & Push-Button Start for effortless access
GMC Premium Infotainment System with 8" touchscreen and smartphone integration
Leather-Wrapped Steering Wheel with mounted controls for intuitive operation
Safety & Driver Assistance
Forward-thinking safety system with multiple airbags and advanced driver alerts
HD Rear Vision Camera for enhanced visibility when reversing
Front & Rear Park Assist for confident maneuvering in tight spaces
Lane Change Alert with Side Blind Zone Alert for safer lane transitions
Rear Cross Traffic Alert and Trailer Camera provisions for added awareness
Tire Pressure Monitoring System and Teen Driver Mode for added peace of mind
OnStar® connectivity with available 4G LTE Wi-Fi hotspot capability
Exterior Styling & Utility
20" Polished Aluminum Wheels for a bold and upscale presence
Exterior Colour: Pacific Blue Metallic — vibrant, modern, and eye-catching
Chrome Accents including mirror caps, door handles, and bumpers for premium styling
LED Lighting: Signature LED fog lamps and cargo bed lighting for improved visibility
GMC MultiPro Tailgate offering six-function versatility for work and recreation
Spray-On Bedliner and cargo tie-downs for enhanced durability and utility
Chrome Assist Steps for easy cabin entry and exit
CornerStep Rear Bumper and front recovery hooks for added practicality
Whether you’re towing, hauling, or heading out for a weekend escape, the 2021 GMC Sierra 1500 SLT delivers dependable V8 power, advanced technology, and refined comfort. It’s a truck built to handle real work while keeping you connected and comfortable every mile of the journey.
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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Steering Wheel Audio Controls
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WiFi Hotspot
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Aluminum Wheels
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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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Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
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Bumper, front chrome lower
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Bumper, rear chrome with bumper CornerSteps
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Mouldings, window surround, Chrome
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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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Mirror caps, chrome
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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, chrome
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Cargo tie downs (12), fixed rated at 500 lbs (226.8 kg) per corner
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Split Bench Seat
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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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Rear Bench Seat
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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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Exterior Temperature Display, located in radio display
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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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Air vents, rear
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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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8 Cylinder Engine
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Gasoline Fuel
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8-Speed A/T
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A/T
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Pickup bed
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GVWR, 7100 lbs. (3221 kg) (Requires Crew Cab 4WD model with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine without (NHT) Max Trailering Package.)
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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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Locking/Limited Slip Differential
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Transfer case, single speed, electronic Autotrac with push button control (4WD models only)
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Four Wheel Drive
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Cooling, external engine oil cooler (Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
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Cooling, auxiliary external transmission oil cooler
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Alternator, 170 amps (Included and only available with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine. Not available with (NHT) Max Trailering Package, (LM2) Duramax 3.0L Turbo-Diesel I6 engine or (VYU) Snow Plow Prep Package.)
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Battery, heavy-duty 730 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L84) 5.3L EcoTec3 V8 engine, (L3B) 2.7L Turbo engine and (L87) 6.2L EcoTec3 V8 engine.)
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Frame, fully-boxed, hydroformed front section
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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, single outlet
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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
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 CodeMQE
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Trans Type8
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Trans Description Cont.Automatic
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First Gear Ratio (:1)4.56
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Second Gear Ratio (:1)2.97
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Third Gear Ratio (:1)2.08
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Fourth Gear Ratio (:1)1.69
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Fifth Gear Ratio (:1)1.27
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Sixth Gear Ratio (:1)1.00
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Seventh Gear Ratio (:1)0.85
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Eighth Gear Ratio (:1)0.65
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Reverse Ratio (:1)3.82
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Transfer Case ModelMagna
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Transfer Case Gear Ratio (:1), High1.00
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Passenger Capacity6
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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)2839
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Curb Weight - Rear (lbs)1976
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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)14.3
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EnerGuide Estimate - Hwy (L/100 km)10.7
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G/km Of CO2 Emissions298
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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)9200
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Wt Distributing Hitch - Max Tongue Wt. (lbs)920
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Fifth Wheel Hitch - Max Trailer Wt. (lbs)7800
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Fifth Wheel Hitch - Max Tongue Wt. (lbs)1950
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Maximum Trailering Capacity (lbs)11700
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Engine TypeGas V8
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Fuel SystemDirect Injection
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Engine Order CodeL84
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Displacement5.3L/325
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SAE Net Horsepower @ RPM355 @ 5600
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SAE Net Torque @ RPM383 @ 4100
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Engine Oil CoolerYes
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Cold Cranking Amps @ 0° F (Primary)730
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Maximum Alternator Capacity (amps)170
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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)50
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Stabilizer Bar Diameter - Front (in)1.3
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Front Tire Order CodeQDF
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Rear Tire Order CodeQDF
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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)46.3
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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)13.5 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)147.43
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Length, Overall (in)231.72
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Width, Max w/o mirrors (in)81.24
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Height, Overall (in)75.51
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Ground Clearance, Front (in)8.09
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Ground Clearance, Rear (in)8.09
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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)22.4
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Tailgate Width (in)71.4
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Cargo Volume (ft³)62.9
No matches were found.
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