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10-Speed Automatic, 4WD, Black Cloth.
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Summit White 2021 GMC Sierra 3500HD 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel
Whatever your automotive needs may be, Twin State Ford is here to serve you. Located at 8 Memorial Drive in Saint Johnsbury, Vermont, we're a quick drive away from the surrounding Barre, Montpelier, Newport and Littleton NH areas. Come see what we can do for you today.
Used 2021 GMCSierra 3500HD Base Truck
- Exterior Color
- Summit White
- Interior Color
- Black
- Odometer
- 93,773 miles
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4WD
- Engine
- Duramax 6.6L V8 Turbodiesel
- VIN
- 1GT49SEY8MF217591
- Stock Number
- 11869A
GMC
Sierra 3500HD
Highlighted Features
- Premium audio system
- Wireless phone connectivity
- Exterior parking camera rear
- Split folding rear seat
- Fully automatic headlights
- Trailer hitch receiver
- Trailer sway control
Included Packages & Accessories
- Preferred Equipment Group 1SA
- Wheels: 18" Silver 8-Spoke Painted Steel
- 18" Machined Aluminum Wheels
- Front 40/20/40 Split-Bench Seat
- Vinyl Seat Trim
- Convenience Package
- Radio: AM/FM w/GMC Infotainment System
- SiriusXM Radio
- Steering Wheel-Mounted Cruise Control
- Electric Rear-Window Defogger
- OnStar & GMC Connected Services Capable
- Spray-On Pickup Bed Liner w/GMC Logo
- Deep-Tinted Glass
- Front License Plate Kit
- LED Smoked Amber Roof Marker Lamps
- LED Cargo Area Lighting
- Pickup Bed
- X31 Off-Road Package
- Snow Plow Prep/Camper Package
- Integrated Trailer Brake Controller
- Gooseneck/5th Wheel Package
- Gooseneck/5th Wheel Prep Package
- 220 Amp Alternator
- Engine Block Heater
- Skid Plates
- Suspension Package
- Off-Road Suspension
- 4-Way Manual Driver Seat Adjuster
- 4-Way Manual Passenger Seat Adjuster
- Power Rear Windows w/Express Down
- Solar Absorbing Tinted Glass
- Remote Keyless Entry
- Winter Grille Cover
- Outside Power-Adjustable Black Mirrors
- Chrome Surround Grille w/Black Mesh
- Hill Descent Control
- Exhaust Brake
- Heavy-Duty 80 Amp Battery
- 2-Speed Electronic Shift Transfer Case
- EZ Lift Power Lock & Release Tailgate
- 6-Speaker Audio System Feature
- 4G LTE Wi-Fi Hotspot Capable
- 4-Wheel Disc Brakes
- Apple CarPlay/Android Auto
- Premium audio system: GMC Infotainment System
- Front Center Armrest w/Storage
- Front beverage holders
- Variably intermittent wipers
- Trip computer
- Traction control
- Tilt steering wheel
- Split folding rear seat
- Rear step bumper
- Rear reading lights
- Power windows
- Power steering
- Passenger vanity mirror
- Passenger door bin
- Overhead console
- Overhead airbag
- Outside temperature display
- Occupant sensing airbag
- Low tire pressure warning
- Fully automatic headlights
- Front wheel independent suspension
- Front reading lights
- Front anti-roll bar
- Dual front side impact airbags
- Dual front impact airbags
- Driver door bin
- Delay-off headlights
- Bumpers: chrome
- Brake assist
- AM/FM radio
- ABS brakes
- Voltmeter
- Tachometer
- Electronic Stability Control
- Air Conditioning
- 6 Speakers
Detailed Specifications
- 1-touch down
- 1-touch up
- Air conditioning
- Driver door bin
- Front beverage holders
- Overhead console
- Passenger door bin
- Passenger vanity mirror
- Power windows
- Rear door bins
- Tilt steering wheel
- Front anti-roll bar
- Front tires: 275/70SR18.0E
- Front wheel independent suspension
- Power steering
- Rear tires: 275/70SR18.0E
- Single rear wheels
- Tires: all-terrain
- Wheel size: 18"
- Premium audio system: GMC Infotainment System
- Primary LCD size: 7.0"
- Smart device integration: Apple CarPlay/Android Auto
- Speakers: 6
- Wireless phone connectivity: Bluetooth
- Front center armrest: w/storage
- Rear seats: split-bench
- Rear seats Folding position: fold-up cushion
- Split folding rear seat
- Cylinder configuration: V-8
- Drive type: four-wheel
- Engine liters: 6.6L
- Engine location: front
- Fuel tank capacity: 36.0gal.
- Hybrid traction battery type: none
- Manual-shift auto
- Mode select transmission
- Rear locking differential
- Standard fuel economy fuel type: gasoline
- Variable valve control
- Ground clearance (min): 284mm (11.2")
- Bumpers: chrome
- Left rear passenger door: conventional
- Rear cargo: tailgate
- Rear step bumper
- Right rear passenger: conventional
- Trailer hitch receiver
- Trailer sway control
- Exterior body width: 2,079mm (81.8")
- Exterior height: 2,054mm (80.9")
- Exterior length: 6,349mm (249.9")
- Front headroom: 1,093mm (43.0")
- Front hiproom: 1,554mm (61.2")
- Front legroom: 1,131mm (44.5")
- Front shoulder room: 1,676mm (66.0")
- Rear headroom: 1,019mm (40.1")
- Rear hiproom: 1,530mm (60.2")
- Rear legroom: 1,102mm (43.4")
- Rear shoulder room: 1,659mm (65.3")
- Turning radius: 8.0m (26.3')
- Wheelbase: 4,037mm (158.9")
- Appearance: analog
- Delay-off headlights
- Exterior parking camera rear: Rear Vision Camera yes
- Front reading lights
- Fully automatic headlights
- Low tire pressure warning
- Oil pressure gauge
- Outside temperature display
- Rear reading lights
- Tachometer
- Trip computer
- Variably intermittent wipers
- Voltmeter
- 4 wheel disc brakes
- ABS brakes
- Brake assist
- Dual front impact airbags
- Dual front side impact airbags
- Electronic stability
- Ignition disable
- Occupant sensing airbag
- Overhead airbag
- Traction control
Dealer Notes
KBB.com Consumer Reviews

Overall4.2Out of 5
- 5.0
2020 GMC Denali 3500 HD Duramax is a BEAST!
By Merlinsmerc | on Friday, January 22, 2021
Pulling a conventional 10,000 lb trailer over mountain passes is a whole new experience. Staying at the speed limit up long steep grades did not change the engine temperature. I feathered the accelerator up the mountain. The new 10 speed transmission is so smooth you cant feel it changing gears. This is my second GMC Denali Duramax, first being a 2016. I debated trading in for over a year, and am so happy I made the trade. Trailers always exceed by far the tongue weight posted on them, and in my case it came in at 1450 lbs. That exceeded my trucks posted maximum. The 2020 dually posts a 2,000 lb tongue weight, so now I can front load the trailer, and that reduces sway. If you can afford it, and have a heavy trailer, buy the truck!… - 5.0
Love our truck
By Ron | on Friday, December 11, 2020
The truck doesn’t have a sun roof which it was suppose to have… - 2.0
In shop for 13 weeks so far!
By Whip | on Monday, September 09, 2024
My truck has been in the shop for 13 weeks to this point with no end in sight. The Infotainment panel blew out which controls pretty much everything. Nice truck except if something goes wrong then, good luck! I would recommend looking at Fords and Rams and ask the question, how many vehicles do you have in your shop waiting for parts and for how long. I heard of one at my GMC dealership that has been waiting for 8 months! Only thing I get from GM is "we understand your frustration". Apparently they don't, or I would have my truck back long ago.…
Based on 6 consumer ratings for 2020–2025 models. | Privacy
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