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2020 Chevrolet Silverado 3500HD High Country
Vehicle Details
Body Style
Truck
Engine
6.6L 8Cyl
Exterior Colour
Gray
Interior Colour
Black
Transmission
Automatic
Drivetrain
4×4
Stock #
25-485A
Trim Details
4WD Crew Cab Long Box High Country
2020 Chevrolet Silverado 3500HD High Country 4x4 | Duramax Diesel | Sunroof | Long Box | Shadow Grey Metallic
Built for the toughest jobs and refined for premium comfort, this 2020 Chevrolet Silverado 3500HD High Country 4x4 delivers uncompromising heavy-duty capability with High Country luxury. Finished in Shadow Grey Metallic with a Jet Black perforated leather interior, this truck is engineered for serious towing, long hauls, and Alberta work conditions—without sacrificing comfort or technology.
Key Features:
6.6L Duramax Turbo-Diesel V8 (L5P) – 445 HP Legendary Duramax power delivering massive torque and exceptional towing capability.
Allison 10-Speed Automatic Transmission (MGM) Renowned durability with smooth, confident shifting under heavy load.
Gooseneck / 5th Wheel Prep Package (CMT) Factory-equipped and ready for large trailers, RVs, and equipment hauling.
High Country Deluxe Package (PDM) Adds premium interior details, advanced comfort features, and upscale styling.
Technology Package (CWM – High Country) Enhanced camera systems and advanced driver-assist technology for towing and everyday driving.
Power Sunroof (CF5) Brings natural light and an open feel to the High Country cabin.
Perforated Jet Black Leather Interior (H2U) Premium seating surfaces designed for long drives and daily comfort.
Black Chevrolet Bowtie Emblems (SFZ) Sporty appearance upgrade that complements the High Country styling.
Crew Cab / Long Box (SRW) Maximum interior space and cargo capacity for work or recreation.
Exterior: Shadow Grey Metallic (GJI) A sleek, professional colour that looks sharp on and off the job site.
Why Buy This Silverado 3500HD High Country?
The 2020 Silverado 3500HD High Country is built for drivers who demand maximum towing power, premium comfort, and advanced technology. With the Duramax diesel, Allison transmission, and factory towing prep, this truck is ideal for contractors, farmers, RV owners, and anyone who needs serious capability with luxury-level refinement.
Perfect For:
Heavy-duty towing • Contractors & trades • RV & trailer hauling • Alberta winters • Long-distance hauling
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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HD Radio
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Premium Sound System
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WiFi Hotspot
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Aluminum Wheels
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Tires - Front All-Terrain
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Tires - Rear All-Terrain
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Conventional Spare Tire
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Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
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Bumper, front (Body-colour.)
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Bumper, rear (Body-colour.)
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CornerStep, rear bumper
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BedStep, Black integrated on forward portion of bed on driver and passenger side
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Running Boards/Side Steps
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Mouldings, beltline, stainless steel
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Wheelhouse liners, rear (Not available with dual rear wheels.)
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Cargo tie downs (12), fixed, rated at 500 lbs (226.8 kg) per corner
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Chrome front grille bar with Gold bowtie. Includes Chrome grille inserts with Bronze accents.
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Daytime Running Lights
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Fog Lamps
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Taillamps, LED with signature
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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 pickup bed, activated with switch on centre switch bank or key fob
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Heated Mirrors
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Integrated Turn Signal Mirrors
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Power Folding Mirrors
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Power Mirror(s)
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Mirror caps, chrome
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Privacy Glass
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Rear Defrost
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Sliding Rear Window
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LPO, Polished exhaust tip (dealer installed) (Requires (L8T) 6.6L V8 gas engine. Not included when (L5P) Duramax 6.6L Turbo-Diesel V8 engine is ordered.)
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Door handles, chrome
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Tailgate and bed rail protection cap, top
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Tailgate, gate function power up/down with power lock and release
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Bed Liner
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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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Pass-Through Rear Seat
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Rear Bench Seat
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Heated Front Seat(s)
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Cooled Front Seat(s)
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Heated Rear Seat(s)
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Mirror Memory
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Seat Memory
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Centre Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
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Floor covering, colour-keyed carpeting
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Floor Mats
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Leather Steering Wheel
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Heated Steering Wheel
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Adjustable Steering Wheel
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Steering Wheel Audio Controls
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Driver Information Centre, enhanced, 8" diagonal multicolour digital display includes analogue speedometer and tachometer gauges
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Tire Pressure Monitor
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Exterior Temperature Display located in radio display
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Compass, located in instrument cluster
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Window, power front, drivers express up/down
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Power Windows
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Power Door Locks
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Remote Engine Start
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Keyless Entry
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Keyless Start
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Cruise Control
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Universal Garage Door Opener
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Security System
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Steering column, lock control, electrical
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Wireless Charging (Not compatible with all phones. Compliant batteries include QI and PMA technologies. Reference Mobile devices manual to confirm what type of battery it uses.)
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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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Auxiliary Audio Input
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MP3 Player
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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 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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Chevrolet 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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6-Speed A/T
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A/T
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Durabed, pickup bed
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GVWR, 11,500 lbs. (5216 kg) with single rear wheels (Included and only available with model CK30943 model and (L8T) 6.6L V8 gas engine. Requires single rear wheels.)
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Air filter, high-capacity
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Transfer case, two-speed active electronic Autotrac with push button control
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Locking/Limited Slip Differential
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Four Wheel Drive
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Cooling, external engine oil cooler
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Cooling, auxiliary external transmission oil cooler
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Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L8T) 6.6L V8 gas engine.)
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Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
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Trailer brake controller, integrated
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Tow Hooks
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Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
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Suspension Package
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Power Steering
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4-Wheel Disc Brakes
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ABS
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Brake lining wear indicator
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Capless Fuel Fill (Requires (L8T) 6.6L V8 gas engine.)
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Tow Hitch
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Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
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Stability Control
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Traction Control
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Daytime Running Lights
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Driver Air Bag
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Front Head Air Bag
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Front Side Air Bag
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Passenger Air Bag
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Passenger Air Bag Sensor
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Rear Head Air Bag
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Requires Subscription
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Telematics
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Rear Parking Aid
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Back-Up Camera
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Hitch Guidance
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Cross-Traffic Alert
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Blind Spot Monitor
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Driver Restriction Features
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Tire Pressure Monitor
No matches were found.
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Vehicle NameChevrolet Silverado 3500HD
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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 CodeMYD
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Trans Type6
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Trans Description Cont.Automatic
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First Gear Ratio (:1)4.03
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Second Gear Ratio (:1)2.36
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Third Gear Ratio (:1)1.53
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Fourth Gear Ratio (:1)1.15
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Fifth Gear Ratio (:1)0.85
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Sixth Gear Ratio (:1)0.67
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Reverse Ratio (:1)3.06
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Passenger Capacity5
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Front Head Room (in)43.03
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Front Leg Room (in)44.53
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Front Shoulder Room (in)66.02
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Front Hip Room (in)61.18
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Second Head Room (in)40.12
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Second Leg Room (in)43.4
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Second Shoulder Room (in)65.3
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Second Hip Room (in)60.24
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Gross Axle Wt Rating - Front (lbs)5200
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Gross Axle Wt Rating - Rear (lbs)7250
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Curb Weight - Front (lbs)4041
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Curb Weight - Rear (lbs)3121
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Gross Vehicle Weight Rating Cap (lbs)11500
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Gross Combined Wt Rating (lbs)24000
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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)14500
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Wt Distributing Hitch - Max Tongue Wt. (lbs)1450
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Fifth Wheel Hitch - Max Trailer Wt. (lbs)16410
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Fifth Wheel Hitch - Max Tongue Wt. (lbs)4102
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Maximum Trailering Capacity (lbs)20000
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Engine Order CodeL8T
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Engine TypeGas V8
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Displacement6.6L
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Fuel SystemDirect Injection
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SAE Net Horsepower @ RPM401 @ 5200
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SAE Net Torque @ RPM464 @ 4000
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Engine Oil CoolerYes
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Cold Cranking Amps @ 0° F (Primary)720
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Maximum Alternator Capacity (amps)170
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Frame TypeHydroformed
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Suspension Type - FrontIndependent
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Suspension Type - RearMulti-Leaf
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Axle Type - FrontIndependent
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Axle Ratio (:1) - Front3.73
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Axle Ratio (:1) - Rear3.73
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Shock Absorber Diameter - Front (mm)51
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Shock Absorber Diameter - Rear (mm)51
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Stabilizer Bar Diameter - Front (in)1.38
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Front Tire Order CodeQF9
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Rear Tire Order CodeQF9
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Spare Tire Order CodeZYG
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Front Tire SizeLT275/65R20
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Rear Tire SizeLT275/65R20
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Spare Tire SizeLT275/70R18
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Front Tire Capacity (lbs)3020
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Rear Tire Capacity (lbs)3748
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Spare Tire Capacity (lbs)3638
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Front Wheel Size (in)20 x 8.5
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Rear Wheel Size (in)20 x 8.5
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Spare Wheel Size (in)18 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 TypePwr Recirculating Ball
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Steering Ratio (:1), At LockN/A
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Turning Diameter - Curb to Curb (ft)57.0
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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)14 x 1.6
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Rear Brake Rotor Diam x Thickness (in)14.1 x 1.3
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Fuel Tank Capacity, Approx (L)136
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Wheelbase (in)172
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Length, Overall (in)266
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Width, Max w/o mirrors (in)81.85
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Height, Overall (in)80.67
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Cab to Axle (in)55.2
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Ground to Top of Load Floor (in)38.8
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Ground Clearance, Front (in)11.14
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Ground Clearance, Rear (in)11.14
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Cargo Box Length @ Floor (in)98.27
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Cargo Box Width @ Floor (in)71.4
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Cargo Box Width @ Wheelhousings (in)50.55
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Cargo Box (Area) Height (in)21
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Cargo Volume (ft³)83.5
No matches were found.