New 2026 GMCSierra 3500HD Pro
- Interior Color
- Jet Black
- Transmission
- 10-Speed Automatic
- Engine
- Duramax 6.6L V8 Turbodiesel
- VIN
- 1GT3USEY6TF122567
- Stock Number
- 746627
Highlighted Features
- Lane departure
- Premium audio system
- Wireless phone connectivity
- Exterior parking camera rear
- Auto high-beam headlights
- Perimeter/approach lights
- Remote keyless entry
- Fully automatic headlights
- Heated door mirrors
- Trailer sway control
Included Packages & Accessories
- Front 40/20/40 Split-Bench Seats w/Lockable Storage
- Vinyl Seat Trim
- Convenience Package
- Radio: AM/FM w/GMC Infotainment System
- Electric Rear-Window Defogger
- 120-Volt Instrument Panel Power Outlet
- Deep-Tinted Glass
- LED Cargo Area Lighting
- Power-Adjustable Black Outside Mirrors
- Pickup Bed
- Snow Plow Prep/Camper Package
- Gooseneck/5th Wheel Prep Package
- Hitch Package (LPO)
- 220 Amp Alternator
- Skid Plates
- Suspension Package
- 4-Way Manual Driver Seat Adjuster
- 4-Way Manual Passenger Seat Adjuster
- Solar Absorbing Tinted Glass
- Remote Keyless Entry
- Push Button Start
- Auto-Dimming Inside Rear-View Mirror
- Chrome Grille w/Flat Black Grille Insert Bars
- Heavy-Duty 80 Amp-Hr Battery
- 2-Speed Electronic Shift Transfer Case
- Sierra HD Pro Safety
- Wireless Phone Projection
- Buckle to Drive
- IntelliBeam Automatic High Beam On/Off
- Perimeter Lighting
- 2-Speaker Audio System Feature
- 2 Charge/Data USB Ports
- Following Distance Indicator
- Forward Collision Alert
- Lane Departure Warning System
- Automatic Emergency Braking
- Front Pedestrian Braking
- 4-Wheel Disc Brakes
- Premium audio system: GMC Infotainment System
- Auto High-beam Headlights
- Exterior Parking Camera Rear
- Front Center Armrest w/Storage
- Compass
- 2 Speakers
- Variably intermittent wipers
- Turn signal indicator mirrors
- Trip computer
- Traction control
- Tilt steering wheel
- Speed control
- Remote keyless entry
- Rear step bumper
- Power windows
- Power steering
- Power door mirrors
- Passenger vanity mirror
- Passenger door bin
- Panic alarm
- Overhead console
- Overhead airbag
- Outside temperature display
- Occupant sensing airbag
- Low tire pressure warning
- Illuminated entry
- Heated door mirrors
- 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
Detailed Specifications
- 1-touch down
- 1-touch up
- Air conditioning
- Driver door bin
- Front beverage holders
- Illuminated entry
- Overhead console
- Passenger door bin
- Passenger vanity mirror
- Power windows
- Proximity key: push button start only
- Remote keyless entry
- Speed control
- 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"
- 1st row LCD monitors: 1
- Premium audio system: GMC Infotainment System
- Primary LCD size: 7.0"
- Smart device integration
- Speakers: 2
- Wireless phone connectivity
- Basic warranty: 36 months/36,000miles
- Corrosion perforation warranty: 72 months/100,000miles
- Maintenance warranty: 12 months/ unlimited distance
- Front center armrest: w/storage
- Cylinder configuration: V-8
- Drive type: four-wheel
- Engine liters: 6.6L
- Engine location: front
- Hybrid traction battery type: none
- Manual-shift auto
- Mode select transmission
- Rear locking differential
- Transmission: 10 speed automatic
- Variable valve control
- Ground clearance (min): 285mm (11.2")
- Bumpers: chrome
- Heated door mirrors
- Hitch Class: IV
- Power door mirrors
- Rear cargo: tailgate
- Rear step bumper
- Trailer hitch
- Trailer sway control
- Turn signal indicator mirrors
- Engine displacement: 6.6 L
- Exterior body width: 2,079mm (81.8")
- Exterior height: 2,056mm (80.9")
- Exterior length: 6,002mm (236.3")
- Front headroom: 1,095mm (43.1")
- Front hiproom: 1,547mm (60.9")
- Front legroom: 1,131mm (44.5")
- Front shoulder room: 1,678mm (66.1")
- Towing capacity: 6,577kg (14,500lbs)
- Turning radius: 7.1m (23.5')
- Wheelbase: 3,607mm (142.0")
- Appearance: analog
- Auto high-beam headlights
- Compass
- Delay-off headlights
- Exterior parking camera rear
- Front reading lights
- Fully automatic headlights
- Lane departure: warning
- Low tire pressure warning
- Oil pressure gauge
- Outside temperature display
- 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: mitigation
- Front pedestrian detection: prevention
- Ignition disable
- Occupant sensing airbag
- Overhead airbag
- Panic alarm
- Perimeter/approach lights
- Traction control
KBB.com Consumer Reviews
- 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.