The 2026 Chevrolet Silverado 3500HD High Country 4WD Crew Cab Standard Box represents the pinnacle of heavy-duty luxury and capability. Blending first-class craftsmanship with uncompromising diesel strength, it is built for those who demand maximum towing confidence, advanced technology, and premium comfort in every mile. Â
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Performance & CapabilityÂ
Engine: Duramax 6.6L V8 Turbo Diesel delivering monumental torque and long-haul durability Â
Transmission: 10-speed Allison automatic engineered for seamless shifting under extreme loads Â
Drivetrain: Advanced 4WD system with Autotrac two-speed transfer case for superior traction control Â
Suspension: Z71 Off-Road tuned suspension with skid plates and hill descent control for rugged terrain confidence Â
Axle Ratio: Heavy-duty rear axle optimized for maximum towing and payload stability Â
Trailering Equipment: Integrated trailer brake controller, Hitch Guidance with Hitch View, and full trailering app integration Â
Gooseneck & 5th Wheel Prep Package for professional-grade hauling capability Â
Trailer Technology: Trailer Side Blind Zone Alert, Trailer Camera Provisions, and Bed View Camera for precision towing Â
Exhaust & Cooling: Exhaust brake, transmission oil cooler, engine oil cooler, and heavy-duty air filtration system Â
Power Management: 220-amp alternator and advanced cooling systems for sustained heavy-duty performance Â
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Winter & Weather ConfidenceÂ
Heated & Ventilated Front Seats plus Heated Rear Outboard Seats for year-round comfort Â
Heated Steering Wheel for cold-weather control and comfort Â
Engine Block Heater for dependable cold starts in extreme climates Â
Heated Power Tow Mirrors with auto-dimming for improved visibility in snow and rainÂ
Remote Start System to pre-condition the cabin before entry Â
Dual-zone climate control and rear air vents Â
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Interior Comfort & LuxuryÂ
High Country Premium Cabin with Jet Black / Umber leather-appointed seating Â
Power Driver Seat with Memory and Power Passenger Seat for tailored comfort Â
Heated & Ventilated Front Seats with premium perforated leather surfaces Â
12-inch Digital Driver Information Center with customizable display layouts Â
13.4-inch Advanced Infotainment System with Google Built-In and navigation capability Â
Bose® Premium Sound System for immersive audio quality Â
Wireless Charging, multiple USB ports, and 120V power outlets in cabin and bed Â
Rear Seat Storage Package with foldable bench for added versatility Â
Power Sunroof and ambient interior lighting for an upscale driving atmosphere Â
Rear Camera Mirror providing a high-definition rear view even with a full cargo bed Â
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Safety & Driver AssistanceÂ
GMC/GM Pro Safety Suite with Forward Collision Alert and Automatic Emergency Braking Â
Lane Keep Assist, Lane Departure Warning, and Front Pedestrian Braking Â
Adaptive Cruise Control with Following Distance Indicator for highway ease Â
HD Surround Vision with multiple camera angles for parking and towing precision Â
Rear Cross Traffic Alert and Trailer Side Blind Zone Alert for added towing awarenessÂ
Front & Rear Park Assist for low-speed maneuvering confidence Â
Teen Driver Mode and Buckle-to-Drive for enhanced safety monitoring Â
Driver Safety Alert Seat providing vibration alerts for critical warnings Â
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Exterior Styling & UtilityÂ
Bold High Country design with chrome accents, signature badging, and commanding stance Â
20-inch Bright Aluminum Wheels for a refined yet powerful road presence Â
LED Headlamps, Fog Lamps, and Roof Marker Lights for maximum visibility Â
Durabed High-Strength Cargo Box with spray-on bedliner for extreme durability Â
Multi-Flex Tailgate with configurable loading, step, and workstation functionality Â
Chrome Assist Steps and CornerStep Rear Bumper for easy access to cabin and bed Â
Front & Rear Recovery Hooks in chrome finish for rugged utility and styling Â
Gooseneck/5th Wheel Prep and Trailer Wiring Provisions for serious hauling needs Â
Active Aero Shutters and aerodynamic enhancements for improved efficiency Â
Bed lighting and 120V power outlets for worksite functionality Â
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Whether conquering heavy-duty jobsite demands, towing large trailers, or traveling long distances in premium comfort, the 2026 Chevrolet Silverado 3500HD High Country delivers unmatched diesel power, cutting-edge towing intelligence, and first-class refinement. It stands as the ultimate expression of strength, luxury, and professional-grade capability.Â
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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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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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Daytime Running Lights
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Automatic Highbeams
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Fog Lamps
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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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Intermittent Wipers
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Rain Sensing Wipers
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Variable Speed Intermittent Wipers
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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, standard
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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 (Not available with (QK2) Multi-Flex tailgate.)
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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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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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Steering wheel, wrapped
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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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Exterior Temperature Display located in radio display
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Compass, located in instrument cluster
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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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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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Adaptive Cruise Control
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Cruise Control
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Universal Garage Door Opener
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Security System
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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, interior, 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, rear, dual, charge-only
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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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8 Cylinder Engine
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Gasoline Fuel
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10-Speed A/T
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A/T
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Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine. Not available with (L5P) Duramax 6.6L Turbo-Diesel V8 engine.)
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Durabed, pickup bed
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Keyless Start
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Air filter, heavy-duty
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Air filtration monitoring
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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 Camera Provisions and trailer viewing software
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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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Exhaust, single, side
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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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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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Navigation from Telematics
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Rear Parking Aid
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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
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Hitch Guidance dynamic single line to aid in trailer alignment for hitching
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Cross-Traffic Alert
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Blind Spot Monitor
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Lane Departure Warning
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Following Distance Indicator
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Safety Alert Seat
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Seat Belt Adjustable Guide Loops, front row only
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Driver Restriction Features
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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, can be turned on and off in Settings menu
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Tire Pressure Monitor
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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 CodeMKM
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Trans Type10
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Trans Description Cont.Automatic
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Transfer Case ModelMagna MP1625/6
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Transfer Case Gear Ratio (:1), High1.00
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Transfer Case Gear Ratio (:1), Low2.72
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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)5600
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Gross Axle Wt Rating - Rear (lbs)7250
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Curb Weight - Front (lbs)4032
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Curb Weight - Rear (lbs)2928
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Gross Vehicle Weight Rating Cap (lbs)11550
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Gross Combined Wt Rating (lbs)30000
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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)20000
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Wt Distributing Hitch - Max Tongue Wt. (lbs)2000
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Fifth Wheel Hitch - Max Trailer Wt. (lbs)21300
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Fifth Wheel Hitch - Max Tongue Wt. (lbs)5325
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Maximum Trailering Capacity (lbs)20000
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Engine Order CodeL5P
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Engine TypeTurbocharged Diesel V8
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Displacement6.6L/403
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Fuel SystemDirect Injection
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SAE Net Horsepower @ RPM470 @ 2800
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SAE Net Torque @ RPM975 @ 1600
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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 - FrontShort/Long Arm w/Torsion Bars
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Suspension Type - Rear3-Stage Multi-Leaf
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Axle Type - FrontIndependent
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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 Wheel Size (in)20
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Rear Wheel Size (in)20
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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)52.7
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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)159
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Length, Overall (in)249.95
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Width, Max w/o mirrors (in)81.85
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Height, Overall (in)80.87
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Cab to Axle (in)42.1
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Ground to Top of Load Floor (in)38.9
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Ground Clearance, Front (in)11.18
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Ground Clearance, Rear (in)11.18
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Cargo Box Length @ Floor (in)82.25
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Cargo Box Width @ Floor (in)71.4
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Cargo Box Width @ Wheelhousings (in)51.85
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Cargo Box (Area) Height (in)21
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Cargo Volume (ft³)69.5
