2021 GMC Sierra 3500HD Denali Crew Cab

Complete vehicle specifications

Vehicle description

Features & options (205)

• Air filtration
• Front air conditioning - automatic climate control
• Front air conditioning zones - dual
• Rear vents - second row
• Airbag deactivation - occupant sensing passenger
• Front airbags - dual
• Side airbags - front
• Premium brand - Bose
• Radio data system
• Satellite radio - SiriusXM
• Speed sensitive volume control
• Subwoofer - 1
• Total speakers - 6
• ABS - 4-wheel
• Braking assist
• Electronic brakeforce distribution
• Electronic parking brake - auto off
• Front brake diameter - 14.0
• Front brake type - ventilated disc
• Front brake width - 1.57
• Power brakes
• Rear brake type - ventilated disc
• Center console trim - simulated wood
• Floor mat material - carpet
• Floor material - carpet
• Heated steering wheel
• Steering wheel trim - leather
• Capless fuel filler system
• Center console - front console with armrest and storage
• Cruise control
• Easy entry - power driver seat
• One-touch windows - 4
• Overhead console - front
• Power windows - lockout button
• Push-button start
• Rearview mirror - auto-dimming
• Remote engine start/cabin preconditioning
• Steering wheel - tilt and telescopic
• Universal remote transmitter - Homelink - garage door opener
• Vanity mirrors - dual illuminating
• Wireless charging station - front
• 4WD selector - electronic hi-lo
• 4WD type - part time w/ on demand setting
• Axle ratio - 3.73
• Locking differential - rear
• Alternator - 170 amps
• Auxiliary oil cooler
• Battery rating - 720 CCA
• Battery saver
• Bumper detail - rear integrated corner step
• Door handle color - chrome
• Exhaust tip color - stainless steel
• Fender lip moldings - black
• Front bumper color - body-color
• Hood scoop
• Mirror color - chrome
• Pickup bed light - LED
• Pickup bed liner - spray-on
• Rear bumper color - body-color
• Running board color - chrome
• Running boards
• Window trim - stainless steel
• Connected in-car apps - app marketplace integration
• Infotainment - GMC Infotainment System
• Infotainment screen size - 8 in.
• Clock
• Compass
• Customizable instrument cluster
• Digital odometer
• External temperature display
• Instrument cluster screen size - 8 in.
• Multi-function display
• Powertrain hour meter
• Trip odometer
• Daytime running lights - LED
• Front fog lights - LED
• Roof-mounted lights
• Taillights - LED
• Towing mirrors
• Automatic emergency braking - front
• Blind spot safety - sensor/alert
• Check rear seat reminder
• Child safety door locks
• Child seat anchors - LATCH system
• Cross traffic alert - rear
• Lane deviation sensors
• Programmable safety key
• Rearview monitor - in dash
• Emergency locking retractors - front
• Front seatbelts - 3-point
• Rear seatbelts - 3-point
• Seatbelt pretensioners - front
• Seatbelt warning sensor - front
• Front seat type - bucket
• Rear seat - heated
• Rear seat folding - folds up
• Rear seat type - 60-40 split bench
• Upholstery - leather-trimmed
• Upholstery accents - perforated
• Hill holder control
• Roll stability control
• Stability control
• Traction control
• Trailer stability control
• Front shock type - twin-tube gas
• Front spring type - torsion bars
• Front stabilizer bar - diameter 35 mm
• Front suspension classification - independent
• Front suspension type - upper and lower control arms
• Rear shock type - twin-tube gas
• Rear spring type - leaf
• Rear suspension classification - solid live axle
• Rear suspension type - multi-leaf
• Driver assistance app - roadside assistance
• Hands-free phone call integration - voice operated
• Smart device app compatibility - myGMC with Connected Access
• Smart device app function - maintenance status
• Wi-Fi - hotspot
• Wireless data link - Bluetooth
• Spare tire mount location - underbody
• Spare tire size - full-size
• Spare wheel type - steel
• Tire Pressure Monitoring System
• Wheels - polished aluminum alloy
• Auxiliary transmission fluid cooler
• Pickup bed cargo management - tie-down anchors
• Tow hooks - front
• Tow/Haul mode
• Trailer brake controller
• Trailer hitch
• Front wipers - variable intermittent
• Pickup sliding rear window - power horizontal
• Power windows - safety reverse
• Tinted glass
• Window defogger - rear
• Bore: 4.06
• Compression: 16
• Displacement: 6.6
• Oil Capacity: 9.5
• Stroke: 3.9
• Cylinders: 8
• Max HP: 445
• Max HP At: 2800
• Max Torque: 910
• Max Torque At: 1600
• Valves: 32
• Aspiration Code: T
• Aspiration Description: Turbocharger
• Block Type Code: V
• Block Type Description: Two Banks Of Cylinders, Opposing
• Brand: Duramax
• Cam Type: OHV
• Fuel Induction: CRDI
• Fuel Type Code: B
• Fuel Type Description: Diesel/B20 Capable
• Valve Timing: VVT
• Name : Allison 10-Speed Shiftable Automatic
• Gears: 10
• Brand : Allison
• Detail : Shiftable Automatic
• Type : A
• Type Description : Automatic
• Bore: 4.06 inch
• Displacement: 6.6 Liter
• Oil Capacity: 9.5 qt
• Stroke: 3.9 inch
• Max HP: 445 hp
• Max HP At: 2800 rpm
• Max Torque: 910 ft-lb
• Max Torque At: 1600 rpm
• Name : Duramax 6.6L Biodiesel Turbo V8 445Hp 910Ft. Lbs.
• Front Track: 68.1 inch
• Drive 4 Wheel Drive Type : Pushbutton Hubs
• Drive Type : Four Wheel Drive
• Tank Size: 36 gal
• Head Room (Front): 43 inch
• Head Room (Rear): 40.1 inch
• Hip Room (Front): 61.2 inch
• Hip Room (Rear): 60.2 inch
• Leg Room (Front): 44.5 inch
• Leg Room (Rear): 43.4 inch
• Shoulder Room (Front): 66 inch
• Shoulder Room (Rear): 65.3 inch
• Doors: 4
• Max Seating: 5
• Seating Rows: 2
• Standard Seating: 5
• Gross Combined Weight Rating: 24000 lbs
• Gross Vehicle Weight Range : 10001-14000
• Tonnage: 1
• Auto Pacific
• J.D. Power and Associates
• Kelley Blue Book
• Strategic Vision
• Vincentric
• ABS Four Wheel
• Airbags Front Driver
• Airbags Front Passenger
• Airbags Side Curtain
• Airbags Side Impact
• Brake Assist
• Daytime Running Lights
• Electronic Stability Control
• Electronic Traction Control
• Rollover Stability Control

Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.