Reduced by $4,221 since Oct 26, 2026

2021 GMC Sierra 3500HD SLT



Special Offer
  • $56,477 *EARNHARDT PRICE

  • Starting Price: $55,778
  • + Doc Fee +$699

  • *Earnhardt Price: $56,477
  • *Please Note: We turn our inventory daily, please check with the dealer to confirm vehicle availability. *Plus Tax, Title, License and Documentation Fee

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Vehicle Information

VIN: 1GT49UEY3MF302379
Stock #: Q60538A
Model Code: TK30743
  • Body Style Crew Cab
  • Exterior Color Onyx Black
  • Interior Color Black
  • Mileage 59,388
  • Engine Turbocharged Diesel V8 6.6L/
  • Transmission Automatic
  • Fuel Type Diesel

Highlighted Features

Feature availability subject to final vehicle configuration. Please reference window sticker for more info.

Dealer Comments

This 2021 GMC Sierra 3500HD SLT is a premium heavy-duty workhorse finished in black with a leather interior. Powered by a Duramax 6.6L V8 turbodiesel engine paired with a 10-speed automatic transmission and 4WD capability, this crew cab delivers the power and capability serious truck owners demand. With just under 60,000 miles, this SLT represents an excellent opportunity to own a virtually new heavy-duty truck with professional-grade features and equipment.- Duramax 6.6L V8 turbodiesel with 10-speed automatic and 4WD- Gooseneck/5th wheel prep package for serious towing- ProGrade trailering system with integrated trailer brake controller- Leather-appointed front seats with ventilation and heating- Off-road suspension with 2-speed active transfer case and hill descent control- Remote vehicle starter and keyless open & start- 4G LTE Wi-Fi hotspot and GMC Connected Services capability- Bed view camera with trailer camera provisions- Spray-on bed liner with GMC logo- 20 machined aluminum wheelsThis truck comes equipped to handle whatever you throw at it, whether that's daily driving comfort or serious hauling. Loaded with technology, luxury appointments, and genuine towing capability, this Sierra 3500HD SLT is ready for work or weekend adventure. Visit us today to experience this exceptional heavy-duty truck firsthand.OUR USED CARS HAVE NO DEALER ADDS OR HIDDEN FEES!!!

All Features

  • Cargo Convenience Package
  • GMC Protection Package
  • SLT Convenience Package
  • X31 Off-Road and Protection Package
  • X31 Off-Road Package
  • 12V power outlets 2 12V power outlets
  • 3-point seatbelt Rear seat centre 3-point seatbelt
  • 4-Wheel Disc Brakes
  • 4WD type AutoTrac part and full-time 4WD
  • A/C
  • ABS
  • ABS Brakes 4-wheel antilock (ABS) brakes
  • ABS Brakes Four channel ABS brakes
  • Accessory power Retained accessory power
  • Adjustable Steering Wheel
  • Air conditioning Yes
  • All-in-one key All-in-one remote fob and ignition key
  • Alternator Type Alternator
  • Aluminum Wheels
  • AM/FM Stereo
  • Antenna Fixed audio antenna
  • Armrests front centre Front seat centre armrest
  • Armrests front storage Front seat armrest storage
  • Armrests rear Rear seat centre armrest
  • Auto door locks Auto-locking doors
  • Auto headlights Auto on/off headlight control
  • Auto-dimming door mirror driver Auto-dimming driver side mirror
  • Auto-dimming door mirror passenger Auto-dimming passenger side mirror
  • Auto-Dimming Rearview Mirror
  • Aux input jack Auxiliary input jack
  • Auxiliary Audio Input
  • Back-Up Camera
  • Basic warranty 36 month/60,000 km
  • Battery charge warning
  • Battery run down protection
  • Battery type Dual lead acid batteries
  • Bed liner Spray-in pickup bed liner
  • Bed-rail protectors Pickup bed-rail protectors
  • Beverage holders Front beverage holders
  • Beverage holders rear Rear beverage holders
  • Block heater Engine block heater
  • Bluetooth® Connection
  • Body accent Exterior badging
  • Body panels Galvanized steel/aluminum body panels with side impact beams
  • Box style Standard style pickup box
  • Boxside steps BedStep integrated side steps
  • Brake assist system
  • Brake pad warning Brake pad wear indicator
  • Brake type 4-wheel disk brakes
  • Bumper rub strip front Chrome front bumper rub strip
  • Bumpers front Chrome front bumper
  • Bumpers rear Chrome rear bumper
  • Cab mounted cargo light
  • Cabback insulator
  • Capless fuel filler
  • Child door locks Manual rear child safety door locks
  • Clearance lights Cab clearance lights
  • Climate Control
  • Climate control Automatic climate control
  • Clock Digital clock
  • Compass
  • Compressor Intercooled turbo
  • Conventional Spare Tire
  • Convex spotter Driver and passenger convex spotter mirrors
  • Cooled front seats Ventilated driver and front passenger seats
  • Corrosion perforation warranty 72 month/160,000 km
  • Cruise Control
  • Cruise control Cruise control with steering wheel mounted controls
  • Cylinder head material Aluminum cylinder head
  • Day/Night rearview mirror
  • Daytime Running Lights
  • DEF fluid gauge Diesel exhaust fluid (def) gauge
  • Delay off headlights Delay-off headlights
  • Door ajar warning
  • Door bins front Driver and passenger door bins
  • Door bins rear Rear door bins
  • Door handle material Chrome door handles
  • Door locks Power door locks with 2 stage unlocking
  • Door mirror style Chrome door mirrors
  • Door mirror type Power extendable trailer mirrors
  • Door mirrors Power door mirrors
  • Door panel insert Simulated wood and metal-look door panel insert
  • Door trim insert Vinyl door trim insert
  • Drive type Four-wheel drive
  • Driver Adjustable Lumbar
  • Driver Air Bag
  • Driver foot rest
  • Driver information centre
  • Driver lumbar Driver seat with 2-way power lumbar
  • Driver Restriction Features
  • Driver seat direction Driver seat with 8-way directional controls
  • Driver selectable steering effort
  • Dual-zone front climate control
  • Easy lift tailgate EZ Lift
  • Easy lower tailgate
  • Electronic parking brake
  • Electronic stability control StabiliTrak w/Proactive Roll Avoidance electronic stability control system with anti-roll
  • Emissions Federal emissions
  • Emissions tiers Tier 2 Bin 8 emissions
  • ENGINE DURAMAX 6.6L TURBO-DIESEL V8 B20-DIESEL COMPATIBLE (445 hp [332 kW] @ 2800 rpm 910 lb-ft of torque [1220 Nm] @ 1600 rpm) (Includes (K05) engine block heater.)
  • Engine block material Iron engine block
  • Engine Configuration Duramax V8
  • Engine cooler Engine oil cooler
  • Engine Duramax 6.6L V-8 direct injection, intercooled turbo, diesel, engine with 445HP
  • Engine hour metre
  • Engine Location Front mounted engine
  • Engine Mounting direction Longitudinal mounted engine
  • Engine retarder Engine retarder system
  • Engine Short Duramax 6.6L V-8
  • Engine temperature warning
  • Engine/electric motor temperature gauge
  • Exterior 120V AC power outlet 1 exterior 120V AC power outlet
  • Exterior mirror spot lights Exterior mirror LED spot lights
  • External memory Premium GMC Infotainment System external memory control
  • Fenders Black fender flares
  • First-row windows Power first-row windows
  • Floor console Full floor console
  • Floor console storage Covered floor console storage
  • Floor coverage Full floor coverage
  • Floor covering Full carpet floor covering
  • Floor Mats
  • Floor mats Rubber front and rear floor mats
  • Fog Lamps
  • Fog lights LED front fog lights
  • Folding door mirrors Power folding door mirrors
  • Folding rear seats 60-40 folding rear seats
  • Four Wheel Drive
  • Front anti-roll Front anti-roll bar
  • Front Head Air Bag
  • Front head restraint control Manual front seat head restraint control
  • Front head restraints Height adjustable front seat head restraints
  • Front impact airbag driver Driver front impact airbag
  • Front impact airbag passenger Passenger front impact airbag
  • Front passenger lumbar Front passenger seat with 2-way power lumbar
  • Front reading lights
  • Front seat type Split-bench front seat
  • Front seat upholstery Leather front seat upholstery
  • Front seatback upholstery Plastic front seatback upholstery
  • Front Side Air Bag
  • Front side impact airbag driver Seat mounted side impact driver airbag
  • Front side impact airbag passenger Seat mounted side impact front passenger airbag
  • Front splash guards
  • Fuel Type Diesel
  • Garage door opener
  • Gearshifter material Urethane gear shifter material
  • Glove box Locking glove box
  • Grille style Chrome grille
  • Handsfree Bluetooth® handsfree wireless device connectivity
  • HD Radio
  • Headlight type Reflector headlights
  • Headlights LED low and high beam headlights
  • Headlights on reminder
  • Headliner coverage Full headliner coverage
  • Headliner material Cloth headliner material
  • Heated door mirrors Heated driver and passenger side door mirrors
  • Heated Front Seat(s)
  • Heated front seats Heated driver and front passenger seats
  • Heated Mirrors
  • Heated rear seats
  • Heated steering wheel
  • High mount stop light High mounted centre stop light
  • Hill control Hill Descent Control (HDC)
  • Hill start assist Hill Start Assist (HSA)
  • Ignition Compression ignition system
  • Ignition type Push-button
  • Illuminated entry
  • Immobilizer
  • In-box lighting LED in-box lighting
  • Inclinometer
  • Instrumentation display Analog instrumentation display
  • Integrated tailgate step
  • Integrated Turn Signal Mirrors
  • Interior 120V AC power outlets 1 interior 120V AC power outlet
  • Interior accents Chrome interior accents
  • Internet access 4G LTE Wi-Fi Hotspot capable mobile hotspot internet access
  • Internet radio capability
  • Key in vehicle warning
  • Keyfob cargo controls Keyfob trunk control
  • Keyfob keyless entry
  • Keyfob remote start
  • Keyfob window controls Keyfob window control
  • Keyless Entry
  • Keyless Start
  • Leather Seats
  • Leather Steering Wheel
  • LED brake lights
  • Licence plate front bracket Front licence plate bracket
  • Lock-up transmission
  • Locking hub control Auto locking hub control
  • Locking/Limited Slip Differential
  • Low level warnings Low level warning for oil, coolant, fuel, washer fluid, brake fluid and diesel exhaust fluid (DEF)
  • Low tire pressure warning Tire specific low air pressure warning
  • Maintenance warranty 24 month/24,000 km
  • Memory settings Memory settings include: door mirrors
  • Mirror Memory
  • MP3 Capability
  • Multi-Zone A/C
  • Multiple headlights Multiple enclosed headlights
  • Number of airbags 6 airbags
  • Number of beverage holders 6 beverage holders
  • Number of doors 4 doors
  • Number of first-row screens 2 total number of 1st row displays
  • Number of memory settings 2 memory settings
  • Occupancy sensor Airbag occupancy sensor
  • Oil pressure gauge
  • Oil pressure warning
  • Onboard power supply (kW) 0.400 kW
  • One-touch down window Front and rear one-touch down windows
  • One-touch up window Driver and passenger one-touch up windows
  • Overdrive transmission
  • Overhead airbags Curtain first and second-row overhead airbags
  • Overhead console Mini overhead console
  • Paint Non-metallic paint
  • Panel insert Metal-look instrument panel insert
  • Pass-Through Rear Seat
  • Passenger Adjustable Lumbar
  • Passenger Air Bag
  • Passenger Air Bag Sensor
  • Passenger doors rear left Conventional left rear passenger door
  • Passenger doors rear right Conventional right rear passenger door
  • Passenger seat direction Front passenger seat with 8-way directional controls
  • Perimeter approach lighting Remote activated perimeter approach lighting
  • Pickup box camera
  • Power Door Locks
  • Power Driver Seat
  • Power driver seat controls Driver seat power reclining, lumbar support, cushion tilt, fore/aft control and height adjustable control
  • Power Folding Mirrors
  • Power Mirror(s)
  • Power Outlet
  • Power Passenger Seat
  • Power passenger seat controls Passenger seat power reclining, lumbar support, cushion tilt, fore/aft control and height adjustable control
  • Power Steering
  • Power Windows
  • Powertrain type ICE
  • Powertrain warranty 60 month/100,000 km
  • Primary display size 8 inch primary display
  • Primary display touchscreen Primary monitor touchscreen
  • Privacy Glass
  • Proximity key Keyless Open/Keyless Start with hands-free access and push button start
  • Radiator
  • Radio AM/FM/digital/SiriusXM with 360Lsatellite
  • Rear Bench Seat
  • Rear bumper step
  • Rear camera HD Rear Vision Camera w/Hitch View rear mounted camera
  • Rear cargo door MultiPro Tailgate tailgate
  • Rear console climate control ducts
  • Rear Defrost
  • Rear Head Air Bag
  • Rear head restraint control 2 rear seat head restraints
  • Rear head restraint control Manual rear seat head restraint control
  • Rear head restraints Height adjustable rear seat head restraints
  • Rear locking differential Automatic rear locking differential
  • Rear reading lights
  • Rear seat cheque warning Rear Seat Reminder rear seat cheque warning
  • Rear seat direction Front facing rear seat
  • Rear seat folding position Fold-up rear seat cushion
  • Rear seat upholstery Vinyl rear seat upholstery
  • Rear seatback upholstery Carpet rear seatback upholstery
  • Rear seats fixed or removable Fixed rear seats
  • Rear seats Split-bench rear seat
  • Rear splash guards
  • Rear Springs Regular grade rear springs
  • Rear under seat ducts Rear under seat climate control ducts
  • Rear window defroster
  • Rear windshield Power rear windshield
  • Rearview mirror Auto-dimming rear view mirror
  • Remote Engine Start
  • Remote panic alarm
  • Requires Subscription
  • Restricted driving mode/alerts
  • Roadside warranty 60 month/100,000 km
  • Running boards
  • Running Boards/Side Steps
  • Running lights LED daytime running lights
  • Satellite Radio
  • Satellite trial 3 month satellite trial subscription
  • Seat Memory
  • Seatback storage pockets 2 seatback storage pockets
  • Seatbelt pretensioners Front seatbelt pretensioners
  • Seatbelt pretensioners number 2 seatbelt pre-tensioners
  • Seating capacity 5
  • Second-row windows Power second-row windows
  • Security system
  • Seek scan
  • Selectable mode transmission Tow/Haul Mode selectable mode transmission
  • Sequential shift control
  • Service interval warning Service interval indicator
  • Shock absorbers Rancho shock absorbers
  • Skid plate 3 underbody skid plates
  • Smart Device Integration
  • Smart device integration Apple CarPlay/Android Auto smart device wireless mirroring
  • Spare tire Full-size spare tire with steel wheel
  • Spare tire location Crank-down spare tire
  • Speakers number 6 speakers
  • Speakers Standard grade speakers
  • Special paint Monotone paint
  • Speed sensitive steering Digital Variable Steering Assist speed sensitive power steering
  • Speedometer Redundant digital speedometer
  • Split Bench Seat
  • Split front seats Bucket front seats
  • Springs front Front torsion springs
  • Springs rear Rear leaf springs
  • Stability Control
  • Steering Hydraulic power-assist steering system
  • Steering mounted audio control Steering wheel mounted audio controls
  • Steering type Re-circulating ball steering
  • Steering Wheel Audio Controls
  • Steering wheel material Leather steering wheel
  • Steering wheel telescopic Manual telescopic steering wheel
  • Steering wheel tilt Manual tilting steering wheel
  • Suspension Off-road ride suspension
  • Suspension ride type front Independent front suspension
  • Suspension ride type rear Rigid axle rear suspension
  • Suspension type front Short and long arm front suspension
  • Suspension type rear Leaf spring rear suspension
  • Tachometer
  • Tailgate control Tailgate/power door lock
  • Tailpipe Stainless steel single exhaust
  • Telematics
  • Temperature display Exterior temperature display
  • Tinted windows Deep tinted windows
  • Tire Pressure Monitor
  • Tire pressure Tire Fill Alert tire pressure fill assist
  • Tires - Front All-Terrain
  • Tires - Rear All-Terrain
  • Tires LT275/65SR20 AT BSW front and rear tires
  • Tow Hitch
  • Tow Hooks
  • Tow hooks front 2 front tow hooks
  • Towing brake controller Trailer brake controller
  • Towing class Class IV tow rating
  • Towing hitch light Trailer hitch light
  • Towing hitch Trailer hitch
  • Towing prep 5th wheel and gooseneck prep
  • Towing trailer sway Trailer Sway Control (TSC) trailer sway control
  • Towing wiring harness Trailer wiring harness
  • Traction Control
  • Traction control All-speed ABS and driveline traction control
  • Trailer light malfunction warning GMC ProGrade Trailering System trailer light malfunction warning
  • Trailer light test GMC ProGrade Trailering System trailer light test
  • Trailer theft alarm GMC ProGrade Trailering System trailer theft alarm
  • Transfer case Electronic transfer case shift
  • Transmission Allison 10-speed automatic
  • Transmission fluid temperature warning Transmission fluid temp warning
  • Transmission oil cooler
  • Transmission temperature gauge Transmission fluid temperature gauge
  • Transmission Type Automatic
  • Trip computer
  • Trip odometer
  • Turn signal in door mirrors Turn signal indicator in door mirrors
  • Turn signal warning Turn signal on warning
  • Two-Speed Transfer Case
  • Under seat tray front Locking front under seat tray
  • Under seat tray rear Locking rear under seat tray
  • USB ports 6 USB ports
  • Variable panel light Variable instrument panel light
  • Vehicle and trailer reverse assist ProGrade Trailering System vehicle and trailer reverse assist with visual graphic guidance only
  • Vehicle to trailer hitching assist
  • Ventilated brakes Front and rear ventilated disk brakes
  • Visor driver mirror Driver visor mirror
  • Visor illuminated driver mirror Illuminated driver visor mirror
  • Visor illuminated passenger mirror Illuminated passenger visor mirror
  • Visor passenger mirror Passenger visor mirror
  • Voice activated audio Premium GMC Infotainment System voice activated audio controls
  • Voltmeter
  • Wheel covers Wheel hub covers
  • Wheels 20 x 8.5-inch front and rear machined w/painted accents aluminum wheels
  • WiFi Hotspot
  • Window Trim Stainless steel side window trim
  • Wipers Variable intermittent front windshield wipers
  • Wireless streaming Bluetooth® wireless audio streaming
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Actual vehicle price and payments may vary for various reasons - including but not limited to - applicable manufacturer rebates, special limited time offers, dealer incentives, taxes, fees, and buyer's credit qualifications, dealer add-ons, market product (or vehicle) scarcity and $599.00 dealer doc fee. Financing on approved credit. Must qualify for some offers. Some offers may not be available with special financing, lease and some other offers.

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