2020 GMC Sierra 3500HD Truck Overview

The standard features of the GMC Sierra 3500HD Base include 6.6L V-8 401hp engine, 6-speed automatic transmission with overdrive, 4-wheel anti-lock brakes (ABS), side seat mounted airbags, curtain 1st row overhead airbag, airbag occupancy sensor, air conditioning, 18" steel wheels, ABS and driveline traction control, StabiliTrak w/Proactive Roll Avoidance electronic stability, AM/FM stereo with 2 speakers.

2020 GMC
Sierra 3500HD Truck

Starting at: $37,000

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Inventory

  • 2020 GMC Sierra 3500HD Denali Truck Crew Cab

    • Price:$83,490
    Engine:
    6.6L V-8 cyl,
    Transmission:
    10-Speed Automatic,
    Exterior Color:
    White Frost Tricoat,
    Model Code:
    TK30943,
    VIN:
    1GT49WEY1LF333267
    More
    Engine: Duramax 6.6L Turbo-Diesel V8, Denali Ultimate Package, Gooseneck/5th Wheel Package, Front Bucket Seats, (more packages)
    View Details
  • 2020 GMC Sierra 3500HD Denali Truck Crew Cab

    • Price:$82,635
    Engine:
    6.6L V-8 cyl,
    Transmission:
    10-Speed Automatic,
    Exterior Color:
    Onyx Black,
    Model Code:
    TK30943,
    VIN:
    1GT49WEY4LF333893
    More
    Engine: Duramax 6.6L Turbo-Diesel V8, Denali Ultimate Package, Gooseneck/5th Wheel Package, Front Bucket Seats, (more packages)
    View Details
  • 2020 GMC Sierra 3500HD Denali Truck Crew Cab

    • Price:$82,440
    Engine:
    6.6L V-8 cyl,
    Transmission:
    10-Speed Automatic,
    Exterior Color:
    Summit White,
    Model Code:
    TK30943,
    VIN:
    1GT49WEY9LF333601
    More
    Engine: Duramax 6.6L Turbo-Diesel V8, Denali Ultimate Package, Gooseneck/5th Wheel Package, Front Bucket Seats, (more packages)
    View Details
  • 2020 GMC Sierra 3500HD Denali Truck Crew Cab

    • Price:$82,345
    Engine:
    6.6L V-8 cyl,
    Transmission:
    10-Speed Automatic,
    Exterior Color:
    Red Quartz Tintcoat,
    Model Code:
    TK30943,
    VIN:
    1GT49WEYXLF314605
    More
    Engine: Duramax 6.6L Turbo-Diesel V8, Denali Ultimate Package, Gooseneck/5th Wheel Package, Front Bucket Seats, (more packages)
    View Details
  • 2020 GMC Sierra 3500HD Truck Crew Cab

    • Price:$62,790
    Engine:
    6.6L V-8 cyl,
    Transmission:
    10-Speed Automatic,
    Exterior Color:
    Summit White,
    Model Code:
    TK30943,
    VIN:
    1GT49SEY4LF307707
    More
    Engine: Duramax 6.6L Turbo-Diesel V8, Gooseneck/5th Wheel Package, Convenience Package, 1SA Driver Alert Package I, (more packages)
    View Details
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Specifications

  • Rear cargo - tailgate
  • Bumpers - chrome
  • Rear step bumper
  • Trailer hitch receiver
  • Trailer sway control
  • Engine liters - 6.6
  • Cylinder configuration - V-8
  • Horsepower - 401hp @ 5,200RPM
  • Torque - 464 lb.-ft. @ 4,000RPM
  • Number of valves - 16
  • Variable valve control
  • Engine location - front
  • Recommended fuel - Regular Unleaded
  • Transmission - 6 speed automatic
  • Mode select transmission
  • Drive type - rear-wheel
  • Limited slip differential - mechanical
  • Fuel tank capacity - 36.0gal.
  • Rear locking differential
  • Basic warranty - 36 months/36,000miles
  • Powertrain warranty - 60 months/60,000miles
  • Corrosion perforation warranty - 72 months/100,000miles
  • Roadside assistance coverage - 60 months/60,000miles
  • Maintenance warranty - 12 months/ unlimited distance
  • Front wheel independent suspension
  • Front anti-roll bar
  • Power steering
  • Front tires - 275/70SR18.0E
  • Rear tires - 275/70SR18.0E
  • Single rear wheels
  • Wheel size - 18"
  • Tires - all-terrain
  • Engine horsepower - 401hp @ 5,200RPM
  • Engine torque - 464 lb.-ft. @ 4,000RPM
  • Engine bore x stroke - 103.3mm x 98.0mm (4.07" x 3.86")
  • Compression ratio - 10.80 to 1
  • Payload - 2,033kg (4,481lbs)
  • Curb weight - 2,826kg (6,231lbs)
  • GVWR - 4,876kg (10,750lbs)
  • Towing capacity - 6,577kg (14,500lbs)
  • Exterior length - 5,982mm (235.5")
  • Exterior body width - 2,076mm (81.8")
  • Exterior height - 2,056mm (80.9")
  • Wheelbase - 3,595mm (141.6")
  • Turning radius - 7.1m (23.5')
  • Front legroom - 1,131mm (44.5")
  • Front headroom - 1,095mm (43.1")
  • Front hiproom - 1,547mm (60.9")
  • Front shoulder room - 1,678mm (66.1")
  • AM/FM radio
  • Premium audio system - GMC Infotainment System
  • Speakers - 2
  • Wireless phone connectivity - Bluetooth
  • 1st row LCD monitors - 2
  • Primary LCD size - 7.0"
  • Smart device integration - Apple CarPlay/Android Auto
  • Fully automatic headlights
  • Delay-off headlights
  • Variably intermittent wipers
  • Front reading lights
  • Display - analog
  • Tachometer
  • Voltmeter
  • Oil pressure gauge
  • Outside temperature display
  • Low tire pressure warning
  • Trip computer
  • Exterior parking camera rear
  • 4 wheel disc brakes
  • ABS brakes
  • Brake assist
  • Dual front impact airbags
  • Passenger cancellable airbag
  • Dual front side impact airbags
  • Overhead airbag
  • Occupant sensing airbag
  • Ignition disable
  • Electronic stability
  • Traction control
  • Max seating capacity - 3
  • Front seats - bench
  • Ground clearance (min) - 285mm (11.2")
  • Air conditioning
  • Tilt steering wheel
  • Passenger vanity mirror
  • Front beverage holders
  • Overhead console
  • Driver door bin
  • Passenger door bin

Trims

  MSRP Engine Transmission City/Hwy mpg
2020 GMC Sierra 3500HD Truck Search New $37,000   401-hp 6.6L 8-cyl  6-spd auto  No Data  
2020 GMC Sierra 3500HD Truck Search New $38,200   401-hp 6.6L 8-cyl  6-spd auto  No Data  
2020 GMC Sierra 3500HD Truck Search New $39,800   401-hp 6.6L 8-cyl  6-spd auto  No Data  
2020 GMC Sierra 3500HD Truck Search New $39,800   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLE 2020 GMC Sierra 3500HD Truck SLE Search New $41,200   401-hp 6.6L 8-cyl  6-spd auto  No Data  
2020 GMC Sierra 3500HD Truck Search New $41,400   401-hp 6.6L 8-cyl  6-spd auto  No Data  
2020 GMC Sierra 3500HD Truck Search New $41,600   401-hp 6.6L 8-cyl  6-spd auto  No Data  
2020 GMC Sierra 3500HD Truck Search New $42,600   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLE 2020 GMC Sierra 3500HD Truck SLE Search New $43,400   401-hp 6.6L 8-cyl  6-spd auto  No Data  
2020 GMC Sierra 3500HD Truck Search New $44,200   401-hp 6.6L 8-cyl  6-spd auto  No Data  
2020 GMC Sierra 3500HD Truck Search New $44,400   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLE 2020 GMC Sierra 3500HD Truck SLE Search New $44,400   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLE 2020 GMC Sierra 3500HD Truck SLE Search New $45,000   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLE 2020 GMC Sierra 3500HD Truck SLE Search New $45,600   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLE 2020 GMC Sierra 3500HD Truck SLE Search New $46,200   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLE 2020 GMC Sierra 3500HD Truck SLE Search New $47,800   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLE 2020 GMC Sierra 3500HD Truck SLE Search New $48,000   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLT 2020 GMC Sierra 3500HD Truck SLT Search New $53,600   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLT 2020 GMC Sierra 3500HD Truck SLT Search New $53,800   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLT 2020 GMC Sierra 3500HD Truck SLT Search New $56,400   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLT 2020 GMC Sierra 3500HD Truck SLT Search New $56,600   401-hp 6.6L 8-cyl  6-spd auto  No Data  
AT4 2020 GMC Sierra 3500HD Truck AT4 Search New $58,900   401-hp 6.6L 8-cyl  6-spd auto  No Data  
AT4 2020 GMC Sierra 3500HD Truck AT4 Search New $59,100   401-hp 6.6L 8-cyl  6-spd auto  No Data  
Denali 2020 GMC Sierra 3500HD Truck Denali Search New $64,900   401-hp 6.6L 8-cyl  6-spd auto  No Data  
Denali 2020 GMC Sierra 3500HD Truck Denali Search New $65,700   401-hp 6.6L 8-cyl  6-spd auto  No Data  

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