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2021 GMC Sierra 1500 SLE
Vehicle Details
Body Style
Truck
Engine
5.3L 8Cyl
Exterior Colour
White
Interior Colour
Black
Transmission
Automatic
Drivetrain
4×4
Stock #
58B12050
Trim Details
Double Cab Standard Box 4-Wheel Drive SLE
2021 GMC Sierra 1500 SLE Double Cab – 5.3 L V8
Capable, comfortable, and practical — this 2021 GMC Sierra 1500 SLE Double Cab with the 5.3 L EcoTec3 V8 delivers a strong blend of dependable power and everyday usability. The V8 pairs with a smooth automatic transmission and 4×4 drivetrain, giving you confidence for towing, hauling, or daily driving. The Double Cab provides extra interior space for passengers or cargo, and the SLE trim adds convenient comfort and technology features — making this Sierra a well-rounded choice for work, errands, or weekend plans.
✅ 5.3 L EcoTec3 V8 — Balanced power and torque for daily use and towing
✅ Automatic Transmission & 4×4 — Confident all-season capability
✅ Double Cab — Additional interior space for passengers or gear
✅ SLE Trim — Practical comfort and modern tech features
✅ Versatile Pickup — Great for commuting, errands, towing, or light-to-medium duty work
✅ Balanced Utility & Everyday Comfort — Strong all-around performance
Here at Bannister Chevrolet Penticton, we make it easy to buy a vehicle from us, with delivery options available to you. Not only that—we offer great prices for your vehicle. We. Buy. Cars! And we want yours. If you're ready to get out of your vehicle and into a new one, reach out today!
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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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-Season
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Tires - Rear All-Season
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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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Grille (Chrome surround with high gloss Black mesh and Chrome inserts.)
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Daytime Running Lights
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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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Heated Mirrors
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Power Mirror(s)
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Mirror caps, chrome (Requires (DLF) outside heated power adjustable mirrors.)
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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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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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Cloth Seats
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Driver Adjustable Lumbar
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Power Driver Seat
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Heated Front Seat(s)
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Pass-Through Rear Seat
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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 (Deleted with (RG4) Fleet Delete Base Content Package.)
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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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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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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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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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USB ports, dual, charge-only (2nd row) (Deleted with (RG4) Fleet Delete Base Content Package.)
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Power outlet, rear auxiliary, 12-volt (Deleted with (RG4) Fleet Delete Base Content Package.)
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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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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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4 Cylinder Engine
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Gasoline Fuel
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Turbocharged
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8-Speed A/T
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A/T
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Rear axle, 3.42 ratio (Included and only available with (L3B) 2.7L Turbo engine or (NHT) Max Trailering Package.)
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GVWR, 7000 lbs. (3175 kg) (Requires Crew Cab or Double Cab 4WD model and (L3B) 2.7L Turbo engine. Requires Double Cab 4WD model with (L84) 5.3L EcoTec3 V8 engine without (NHT) Max Trailering Package.)
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Automatic Stop/Start
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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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Alternator, 220 amps (Included and only available with (L3B) 2.7L Turbo engine, (LM2) Duramax 3.0L Turbo-Diesel I6 engine, (VYU) Snow Plow Prep Package or (NHT) Max Trailering 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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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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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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Locking/Limited Slip Differential
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A/C
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Adjustable Steering Wheel
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Climate Control
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Driver Adjustable Lumbar
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Heated Front Seat(s)
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Heated Steering Wheel
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Keyless Entry
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Keyless Start
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Multi-Zone A/C
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Power Door Locks
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Power Driver Seat
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Rear Defrost
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Remote Engine Start
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Security System
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Split Bench Seat
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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 (Deleted with (RG5) Fleet Delete Trailering Package. Deleted with (L84) 5.3L EcoTec3 V8 when (RG6) Fleet Delete Auto-Locking Rear Differential Package is ordered.)
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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 StyleDouble 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 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 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)39.88
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Second Leg Room (in)35.24
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Second Shoulder Room (in)64.88
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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)2863
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Curb Weight - Rear (lbs)1952
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Gross Vehicle Weight Rating Cap (lbs)7000
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Gross Combined Wt Rating (lbs)15000
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EnerGuide Estimate - City (L/100 km)17.4
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EnerGuide Estimate - Hwy (L/100 km)11.7
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G/km Of CO2 Emissions349
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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)8000
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Fifth Wheel Hitch - Max Tongue Wt. (lbs)2000
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Maximum Trailering Capacity (lbs)11000
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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 CodeXCK
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Rear Tire Order CodeXCK
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Spare Tire Order CodeQBR
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Front Tire Size265/65R18SL
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Rear Tire Size265/65R18SL
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Spare Tire Size255/70R17
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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)17 x 8
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Rear Wheel Size (in)17 x 8
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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)147.44
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Length, Overall (in)231.75
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Width, Max w/o mirrors (in)81.24
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Height, Overall (in)75.63
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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)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.