Clean, capable and built for heavy-duty work â" this 2020 GMC Sierra 3500 Denali Dually is a one-owner, well-maintained powerhouse ready to handle your toughest jobs. Powered by a V8 6.6L engine and equipped with 4WD, this truck delivers dependable torque and confidence on-road or off, while the dual rear wheels provide exceptional towing stability and load control.
Inside, premium Denali appointments combine comfort and utility: leather-trimmed seating, thoughtful storage, and a driver-focused layout. Stay connected and entertained with Android Auto and Apple CarPlay, plus Hands-Free Bluetooth for safe calling and audio streaming. Advanced safety features include Lane Departure Warning to help keep you centered on long hauls.
This GMC Sierra comes with a CARFAX 1-Owner report for additional peace of mind. Whether youâre towing heavy trailers, running a job site, or want a refined full-size truck that works as hard as you do, this 3500 Denali Dually blends capability, tech, and comfort in one commanding package.
Schedule a test drive today and experience the strength and refinement of this 2020 GMC Sierra 3500 Denali Dually. Financing options and service history available upon request.Amazing! This vehicle is immaculate and can easily be mistaken for a new vehicle. This 2020 GMC Sierra 3500 has very low miles for its year. This unit has never been smoked in. This vehicle is a certified CARFAX 1-owner. This vehicle has never been in an accident.
Used 2020 GMCSierra Denali Dually 1-Owner Crew Cab
- Exterior Color
- Onyx Black
- Interior Color
- Dark Walnut/Dark Ash Grey
- Odometer
- 70,951 miles
- Body/Seating
- Crew Cab/5 seats
- Transmission
- 10-speed automatic
- Drivetrain
- 4WD
- Engine
- V8, 6.6L
- VIN
- 1GT49WEY3LF262413
- Stock Number
- VFP262413
GMC
Sierra
Highlighted Features
- Navigation system
- Lane departure
- Leather upholstery
- Automatic temperature control
- Premium audio system
- Wireless phone connectivity
- Parking sensors
- Front dual zone A/C
- Auto high-beam headlights
- Auto-dimming rearview mirror
- Split folding rear seat
- Memory seat
Included Packages & Accessories
- Technology Package: HD Surround Vision with 2 Trailer View Camera Provisions; Multicolor 15 Diagonal Head-Up Display; Bed View Camera; Auto-Dimming Inside Rearview Mirror with Camera
- Denali Ultimate Package: Power Sunroof
- Preferred Equipment Group 5SA: HD Rear Vision Camera; LED Cargo Area Lighting; Remote Vehicle Starter System; 2 USB Ports (first Row); Power Sliding Rear Window with Defogger; Safety Alert Seat; Electric Rear-Window Defogger; Floor-Mounted Center Console; Unauthorized Entry Theft-Deterrent System; Signature Denali Grille with High Gloss Black Mesh; Compass Located in Instrument Cluster; Electrical Lock Control Steering Column; Driver Alert Package II; 120-Volt Instrument Panel Power Outlet; Heated Driver and Front Outboard Passenger Seats; Wireless Charging; X31 Off-Road Package; Steering Wheel Audio Controls; GMC Connected Access Capable; Universal Home Remote; Driver Alert Package I; OnStar and GMC Connected Services Capable; 120-Volt Bed Mounted Power Outlet; 2nd Row Heated Outboard Seats; Power Front Passenger Windows with Express Up/down; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bed Liner with Denali Logo; Power Rear Windows with Express Down; Integrated Trailer Brake Controller; AM/FM Stereo with Premium GMC Infotainment System and Navigation; Power Front Windows with Driver Express Up/down; Ventilated Driver and Front Passenger Seats; Manual Tilt-Wheel/telescoping Steering Column; 2nd Row Dual USB Charge-Only Ports; Keyless Open and Start; 4G LTE Wi-Fi Hotspot Capable; ProGrade Trailering System; Rear Wheelhouse Liners; 6 Rectangular Chromed Tubular Assist Steps; 12-Volt Rear Auxiliary Power Outlet; 2 USB Ports Inside Console; Polished Exhaust Tip; Power Door Locks; Chrome Recovery Hooks
- Power Sunroof
- Console-Mounted Safe
- Bed View Camera
- All-Weather Floor Liners
- Onyx Black
- Heavy Duty Front Spring/camper Package
- Trailering Wiring Provisions
- Apple CarPlay/Android Auto smart device mirroring
- 4G LTE Wi-Fi Hotspot capable mobile hotspot internet access
- Integrated navigation system with voice activation
- Bluetooth handsfree wireless device connectivity
- 6 USB ports
- Forward Collision Alert with Automatic Braking
- Head-up display
- Predictive brake assist system
- Lane Departure Warning
- Rear Cross-Traffic Alert collision warning
- Teen Driver restricted driving mode/alerts
- Aerial view camera
- Video-feed rearview mirror
- HD Surround Vision front mounted camera
- HD Surround Vision right side camera
- Pickup box camera
- HD Surround Vision left side camera
- Lane Change Alert with Side Blind Zone Alert blind spot warning
- Following Distance Indicator
- IntelliBeam auto high-beam headlights
- Immobilizer
- StabiliTrak w/Proactive Roll Avoidance electronic stability control system with anti-roll
- Cruise control with steering wheel mounted controls
- Keyfob remote start
- Front wireless smart device charging
- Keyless Open/Keyless Start with hands-free access and push button start
- Keyfob window control
- Ventilated driver and front passenger seats
- Heated steering wheel
- Heated driver and front passenger seats
- Heated rear seats
- Leather front seat upholstery
- Driver seat power reclining
- lumbar support
- cushion tilt
- fore/aft control and height adjustable control
- Dual-zone front climate control
- Primary monitor touchscreen
- Bluetooth wireless audio streaming
- Bose speakers
- Premium GMC Infotainment System external memory control
- Internet radio capability
- First-row sliding and tilting glass sunroof with express open/close activation sunshade
- Vehicle to trailer hitching assist
- GMC ProGrade Trailering System trailer light test
- GMC ProGrade Trailering System trailer light malfunction warning
- GMC ProGrade Trailering System trailer theft alarm
- Trailer brake controller
- Trailer Sway Control (TSC) trailer sway control
- ProGrade Trailering System vehicle and trailer reverse assist with visual graphic guidance only
- Power extendable trailer mirrors
- AutoTrac part and full-time 4WD
- Duramax 6.6L V-8 diesel direct injection
- intercooled turbo
- diesel
- engine with 445HP
Included Packages & Options
Included Options
- Power Sunroof$995
- Console-Mounted Safe$295
- Bed View Camera$250
- All-Weather Floor Liners$210
- Trailering Wiring Provisions$35
Detailed Specifications
- 1-touch down
- 1-touch up
- Air conditioning
- Auto-dimming rearview mirror
- Automatic temperature control
- Driver door bin
- Driver vanity mirror
- Front beverage holders
- Front dual zone A/C
- Garage door transmitter
- Heated steering wheel
- Illuminated entry
- Memory seat
- Navigation system
- Overhead console
- Passenger door bin
- Passenger vanity mirror
- Power windows
- Proximity key: doors and push button start
- Rear beverage holders
- Rear door bins
- Remote engine start: keyfob
- Remote keyless entry
- Speed control
- Telescoping steering wheel
- Tilt steering wheel
- Alloy wheels
- Front anti-roll bar
- Front tires: 275/65SR20.0E
- Front wheel independent suspension
- Power steering
- Rear tires: 275/65SR20.0E
- Single rear wheels
- Speed-sensing steering
- Tires: all-terrain
- Wheel size: 20"
- 1st row LCD monitors: 2
- AM/FM radio: SiriusXM with 360L
- Premium audio system: Premium GMC Infotainment System
- Primary LCD size: 8.0"
- Smart device integration: Apple CarPlay/Android Auto
- Speaker type: Bose
- Speakers: 7
- Steering wheel mounted audio controls
- Wireless phone connectivity: Bluetooth
- Front center armrest
- Front seats: bucket
- Genuine wood console insert
- Genuine wood door panel insert
- Heated front seats
- Heated rear seats
- Leather upholstery
- Max seating capacity: 5
- Power 2-way driver lumbar support
- Power 2-way passenger lumbar support
- Power driver seat
- Power passenger seat
- Rear seat center armrest
- Rear seats: split-bench
- Rear seats Folding position: fold-up cushion
- Seat Upholstery: leather
- Split folding rear seat
- Ventilated front seats
- Cylinder configuration: V-8
- Drive type: four-wheel
- Engine liters: 6.6L
- Engine location: front
- Fuel economy fuel type: gasoline
- Fuel tank capacity: 36.0gal.
- Hybrid traction battery type: none
- Manual-shift auto
- Mode select transmission
- Rear locking differential
- Variable valve control
- Ground clearance (min): 283mm (11.1")
- Auto-dimming door mirrors
- Bedliner
- Bumpers: body-color
- Door mirrors: chrome
- Heated door mirrors
- Left rear passenger door: conventional
- Power door mirrors
- Rear cargo: tailgate
- Rear step bumper
- Right rear passenger: conventional
- Skid plates
- Tailpipe finisher: polished
- Trailer hitch receiver
- Trailer sway control
- Turn signal indicator mirrors
- Exterior body width: 2,079mm (81.8")
- Exterior height: 2,049mm (80.7")
- Exterior length: 6,756mm (266.0")
- 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: 8.7m (28.5')
- Wheelbase: 4,369mm (172.0")
- Appearance: analog
- Auto high-beam headlights
- Blind spot: Lane Change Alert with Side Blind Zone Alert warning
- Compass
- Delay-off headlights
- Front fog lights
- Front reading lights
- Fully automatic headlights
- Lane departure: Lane Departure Warning warning
- Low tire pressure warning
- Oil pressure gauge
- Outside temperature display
- Parking sensors: Front and Rear Park Assist front and rear
- Rear reading lights
- Rear window defroster
- 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
- Forward collision: Forward Collision Alert with Automatic Braking mitigation
- Ignition disable
- Occupant sensing airbag
- Overhead airbag
- Panic alarm
- Perimeter/approach lights
- Rear collision: Rear Cross-Traffic Alert warning
- Security system
- 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
Price is plus tax, tag, title, registration and doc fee. Dealer-installed accessories and dealer-provided benefits are extra. Dealer installed items can include but are not limited to such items as 3M ceramic film, 3M paint protection package, 3M scratch guard package and 3M ceramic coating. New vehicle pricing will exclude Fort Myers Volvo Premier Package. Pre-owned vehicle pricing will exclude Fort Myers Volvo Premier Package. Fort Myers Volvo certification costs and any reconditioning expenses will vary depending on the vehicle. All prices, specifications and availability are subject to change without notice. Contact the dealer for the most current information. The dealer's website supersedes any and all third-party vendors. All advertised pricing is on in-stock units only and includes all applicable dealer discounts in lieu of any and all promotions. Certain offers and incentives presume financing through the Manufacturer's Captive Lender, subject to approved credit. Should you purchase the vehicle through the use of other funds or through other lending sources, certain offers and incentives may be excluded. Select manufacturer rebates may not be compatible with subvened lease or APR programs. Please see the dealer for details. For In-Transit inventory, any date of arrival is estimated. The actual date of delivery may vary due to circumstances beyond Volvo and the dealer’s control. Please contact Fort Myers Volvo for availability and details.
- We're here to help: (239) 313-4400