BLIND SPOT MONITORING SYSTEM, LANE MANAGEMENT SYSTEM, COLLISION WARNING SYSTEM, POWER SUNROOF, LEATHER, 360 CAMERA VIEW, REARVIEW CAMERA SYST, BLUETOOTH HANDS FREE, CRUISE CONTROL, HTD/COOLED SEAT PKG, HEATED STEERING WHEEL, HTD MIRRORS, PARKING SENSORS, POWER SLIDING REAR WINDOW, PREMIUM AUDIO, POWER FOLDING SIDE MIRRORS, RUNNING BOARDS, REMOTE START, REAR HEATED SEATS, SPRAY IN BED LINER, DUAL REAR WHEELS, KEYLESS ENTRY, DENALI ULTIMATE PACKAGE, REAR CAMERA MIRROR, BED VIEW CAMERA, MULTI COLOR HEAD UP DISPLAY, GOOSENECK / 5TH WHEEL PACKAGE, DUAL ALTERNATORS 220AMPS, HITCH PACKAGE, GMC MULTIPRO TAILGATE, APPLE CARPLAY CAPABLE, ANDROID AUTO CAPABLE, ACCIDENT FREE CARFAX, 10-Speed Automatic, 4WD, Jet Black w/Perforated Leather-Appointed Front Seat Trim. Carbon Black Metallic 2020 GMC Sierra 3500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel
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Used 2020 GMCSierra 3500HD Denali Truck Crew Cab Duramax V8 Turbodieselfor Sale near Denver, CO
- Exterior Color
- Carbon Black Metallic
- Interior Color
- Jet Black
- Odometer
- 42,951 miles
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4WD
- Engine
- Duramax 6.6L V8 Turbodiesel
- VIN
- 1GT49WEY8LF318295
- Stock Number
- S6294A
GMC
Sierra 3500HD
Included Packages & Accessories
- Navigation System
- Hitch Package (LPO)
- 7 Speakers
- AM/FM radio: SiriusXM with 360L
- Premium audio system: Premium GMC Infotainment System
- Air Conditioning
- Automatic temperature control
- Front dual zone A/C
- Rear window defroster
- Memory seat
- Power driver seat
- Power steering
- Power windows
- Remote keyless entry
- Steering wheel mounted audio controls
- Speed-sensing steering
- Traction control
- 4-Wheel Disc Brakes
- ABS brakes
- Dual front impact airbags
- Dual front side impact airbags
- Front anti-roll bar
- Front wheel independent suspension
- Low tire pressure warning
- Occupant sensing airbag
- Overhead airbag
- Pickup Bed
- Brake assist
- Electronic Stability Control
- Lane Departure Warning System
- Auto High-beam Headlights
- Delay-off headlights
- Front fog lights
- Fully automatic headlights
- Panic alarm
- Security system
- Speed control
- Dual 220-Amps Primary/170-Amps Aux Alternators
- Engine Block Heater
- Exhaust Brake
- Heavy-Duty 80 Amp Battery
- Auto-dimming door mirrors
- Bumpers: body-color
- Front License Plate Kit
- Heated door mirrors
- Power door mirrors
- Rear step bumper
- Turn signal indicator mirrors
- Winter Grille Cover
- 2 USB Ports (First Row)
- Apple CarPlay/Android Auto
- Auto-dimming Rear-View mirror
- Compass
- Driver door bin
- Driver vanity mirror
- Front reading lights
- Garage door transmitter
- Genuine wood console insert
- Genuine wood door panel insert
- Heated steering wheel
- Illuminated entry
- Outside temperature display
- Overhead console
- Passenger vanity mirror
- Rear reading lights
- Rear seat center armrest
- Tachometer
- Telescoping steering wheel
- Tilt steering wheel
- Trip computer
- Voltmeter
- Forge Perforated Leather-Appointed Seat Trim
- Front Center Armrest
- Heated front seats
- Heated rear seats
- Power passenger seat
- Split folding rear seat
- Ventilated front seats
- Passenger door bin
- Alloy wheels
- Variably intermittent wipers
- 3.42 Rear Axle Ratio
- BLIND SPOT MONITORING SYSTEM
- LANE MANAGEMENT SYSTEM
- COLLISION WARNING SYSTEM
- POWER SUNROOF
- LEATHER
- 360 CAMERA VIEW
- REARVIEW CAMERA SYST
- BLUETOOTH HANDS FREE
- CRUISE CONTROL
- HTD/COOLED SEAT PKG
- HEATED STEERING WHEEL
- HTD MIRRORS
- PARKING SENSORS
- POWER SLIDING REAR WINDOW
- PREMIUM AUDIO
- POWER FOLDING SIDE MIRRORS
- RUNNING BOARDS
- REMOTE START
- REAR HEATED SEATS
- SPRAY IN BED LINER
- DUAL REAR WHEELS
- KEYLESS ENTRY
- DENALI ULTIMATE PACKAGE
- REAR CAMERA MIRROR
- BED VIEW CAMERA
- MULTI COLOR HEAD UP DISPLAY
- GOOSENECK / 5TH WHEEL PACKAGE
- DUAL ALTERNATORS 220AMPS
- HITCH PACKAGE
- GMC MULTIPRO TAILGATE
- APPLE CARPLAY CAPABLE
- ANDROID AUTO CAPABLE
- ACCIDENT FREE CARFAX
- Denali Ultimate Package
- Driver Alert Package I
- Driver Alert Package II
- Gooseneck/5th Wheel Package
- Gooseneck/5th Wheel Prep Package
- Preferred Equipment Group 5SA
- Technology Package
- Bose Premium 7 Speaker Sound System
- HD Radio
- Radio: AM/FM w/Prem GMC Infotainment System & Navi
- SiriusXM w/360L
- Steering Wheel Audio Controls
- Electric Rear-Window Defogger
- 12-Volt Rear Auxiliary Power Outlet
- 120-Volt Bed Mounted Power Outlet
- 120-Volt Instrument Panel Power Outlet
- Driver Memory
- Power Front Passenger Windows w/Express Up/Down
- Power Front Windows w/Driver Express Up/Down
- Power Rear Windows w/Express Down
- Remote Vehicle Starter System
- Universal Home Remote
- Manual Tilt-Wheel/Telescoping Steering Column
- Electrical Lock Control Steering Column
- Keyless Open & Start
- Power Door Locks
- Power Sunroof
- Unauthorized Entry Theft-Deterrent System
- 2-Speed Active Transfer Case
- 6" Rectangular Chromed Tubular Assist Steps
- IntelliBeam Automatic High Beam On/Off
- LED Cargo Area Lighting
- Polished Exhaust Tip
- ProGrade Trailering System
- Signature Denali Grille w/High Gloss Black Mesh
- Spray-On Pickup Bed Liner w/Denali Logo
- 2 USB Ports Inside Console
- 2nd Row Dual USB Charge-Only Ports
- 4G LTE Wi-Fi Hotspot Capable
- Auto-Dimming Inside Rearview Mirror w/Camera
- Automatic Emergency Braking
- Bed View Camera
- Compass Located In Instrument Cluster
- Floor-Mounted Center Console
- Following Distance Indicator
- Forward Collision Alert
- GMC Connected Access Capable
- HD Rear Vision Camera
- HD Surround Vision w/2 Trailer View Camera Provisions
- Lane Change Alert w/Side Blind Zone Alert
- Multicolor 15" Diagonal Head-Up Display
- OnStar & GMC Connected Services Capable
- Rear Cross Traffic Alert
- Safety Alert Seat
- Ultrasonic Front & Rear Park Assist
- Wireless Charging
- 10-Way Power Driver Seat Adjuster w/Lumbar
- 10-Way Power Passenger Seat Adjuster w/Lumbar
- 2nd Row Heated Outboard Seats
- Front Bucket Seats
- Heated Driver & Front Outboard Passenger Seats
- Ventilated Driver & Front Passenger Seats
- Chrome Recovery Hooks
- Hitch Guidance w/Hitch View
- In-Vehicle Trailering System App
- Integrated Trailer Brake Controller
- Deep-Tinted Glass
- Power Sliding Rear Window w/Defogger
Included Packages & Options
- Denali Ultimate Package$2,370
- Technology Package
- Power Sunroof
- Technology Package$1,875
- HD Surround Vision w/2 Trailer View Camera Provisions
- Auto-Dimming Inside Rearview Mirror w/Camera
- Bed View Camera
- Multicolor 15" Diagonal Head-Up Display
- Gooseneck/5th Wheel Package$795
- Gooseneck/5th Wheel Prep Package
- Bed View Camera
Included Options
- Dual 220-Amps Primary/170-Amps Aux Alternators$380
- Engine Block Heater$100
Detailed Specifications
- 1st and 2nd row curtain head airbags
- 4-wheel ABS Brakes
- ABS and Driveline Traction Control
- Aluminum dash trim
- Aluminum/genuine wood center console trim
- Aluminum/genuine wood door trim
- Anti-theft alarm system
- Audio System Premium Brand : Premium GMC Infotainment System
- Audio System Premium Brand Speakers: Bose
- Audio controls on steering wheel
- Automatic front air conditioning
- Auxilliary engine cooler
- Auxilliary transmission cooler
- Bluetooth wireless phone connectivity
- Braking Assist
- Bucket front seats
- Climate Controlled : Driver and passenger heated
- Compass
- Cruise control
- Cruise controls on steering wheel
- Daytime running lights
- Digital Audio Input
- Driver seat memory
- Dual front air conditioning zones
- Dual illuminated vanity mirrors
- Electrochromatic auto-dimming mirrors
- Electrochromatic rearview mirror
- External temperature display
- Fold-up cushion rear seats
- Front Ventilated disc brakes
- Front and rear reading lights
- Front fog/driving lights
- Heated driver mirror
- Heated passenger mirror
- Heated steering wheel
- Integrated Navigation System : with voice activation
- Leather seat upholstery
- Leather/metal-look steering wheel trim
- Memorized Settings for 2 drivers
- Memorized Settings including door mirror(s)
- Passenger Airbag
- Power extendable trailer style exterior mirrors
- Power remote driver mirror adjustment
- Power remote passenger mirror adjustment
- Power retractable mirrors
- Power windows
- Premium GMC Infotainment System
- Privacy glass: Deep
- Rear seats center armrest
- Remote Engine Start : Keyfob remote start
- Remote power door locks
- Remote window operation
- Side airbag
- SiriusXM with 360L AM/FM/HD/Satellite
- SiriusXM with 360L Satellite Radio
- Speed Sensitive Audio Volume Control
- Speed-proportional power steering
- Split rear bench
- Stability controll with anti-roll
- Tachometer
- Tilt and telescopic steering wheel
- Tire Pressure Monitoring System: Tire specific
- Total Number of Speakers: 7
- Trailer hitch
- Trip computer
- Turn signal in mirrors
- Urethane shift knob trim
- Video Monitor Location: Front
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
- Internet Price**
- $62,623
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