2021 GMC Sierra AT4

GMC Sierra Details

Features & Options

• X31
• Off-Road
• Package
• includes
• (JHD)
• Hill
• Descent
• Control,
• (NZZ)
• skid
• plates,
• Off-Road
• suspension
• and
• Twin-tube
• Rancho
• shocks,ProGrade
• Trailering
• System
• includes
• (PZ8)
• Hitch
• Guidance
• with
• Hitch
• View
• and
• (U1D)
• In-vehicle
• Trailering
• App,Rear
• axle,
• 3.73
• ratio
• (Requires
• (L8T)
• 6.6L
• V8
• gas
• engine.),GVWR,
• 10,650
• lbs.
• (4831
• kg)
• (Included
• and
• only
• available
• with
• TK20743
• model
• and
• (L8T)
• 6.6L
• V8
• gas
• engine
• with
• 18
• or
• 20
• wheels
• or
• TK20943
• and
• (L8T)
• 6.6L
• V8
• gas
• engine
• with
• 17
• wheels.),Hill
• Descent
• Control,Transfer
• case,
• two-speed
• active,
• electronic
• Autotrac
• with
• push
• button
• control,Auto-locking
• rear
• differential,Four
• wheel
• drive,Cooling,
• external
• engine
• oil
• cooler,Cooling,
• auxiliary
• external
• transmission
• oil
• cooler,Air
• filter,
• heavy-duty,Air
• filtration
• monitoring,Battery,
• heavy-duty
• 720
• cold-cranking
• amps/80
• Amp-hr,
• maintenance-free
• with
• rundown
• protection
• and
• retained
• accessory
• power
• (Included
• and
• only
• available
• with
• (L8T)
• 6.6L
• V8
• gas
• engine.),Alternator,
• 170
• amps
• (Requires
• (L8T)
• 6.6L
• V8
• gas
• engine.),Trailer
• brake
• controller,
• integrated,In-vehicle
• Trailering
• App,
• System
• includes
• checklist,
• trailer
• maintenance
• reminders,
• trailer
• security
• alerts,
• trailer
• mileage,
• tow/haul
• reminder,
• trailer
• electrical
• diagnostics
• and
• Trailer
• Tire
• Pressure
• Monitor
• System
• module
• (Includes
• trailer
• tire
• pressure
• monitoring
• alert
• ONLY
• when
• (PTT)
• trailer
• tire
• pressure
• monitor
• system
• is
• factory
• ordered
• and
• sensors
• are
• installed.),Recovery
• hooks,
• Red,Skid
• Plates
• protect
• the
• oil
• pan,
• front
• axle
• and
• transfer
• case,Frame,
• fully-boxed,
• hydroformed
• front
• section
• and
• a
• fully-boxed
• stamped
• rear
• section,Suspension,
• Off-Road
• includes
• twin-tube
• shocks,Steering,
• Digital
• Variable
• Steering
• Assist
• This
• system
• automatically
• adjusts
• steering
• based
• on
• speed,
• road
• conditions,
• and
• other
• inputs
• to
• reduce
• driver
• effort
• and
• fatigue,Brakes,
• 4-wheel
• antilock,
• 4-wheel
• disc
• with
• DURALIFE
• rotors,Brake
• lining
• wear
• indicator,Capless
• Fuel
• Fill
• (Requires
• (L8T)
• 6.6L
• gas
• V8
• engine.),Tire,
• spare
• LT275/70R18
• all-terrain,
• blackwall,Tire
• carrier
• lock
• keyed
• cylinder
• lock
• that
• utilizes
• same
• key
• as
• ignition
• and
• door,Bumper,
• front,
• body-color
• lower,Bumper,
• rear
• body-color
• with
• bumper
• CornerSteps,CornerStep,
• rear
• bumper,Bed
• Liner,
• Spray-on,
• Pickup
• bedliner
• with
• GMC
• logo
• (does
• not
• include
• spray-on
• liner
• on
• tailgate
• due
• to
• Black
• composite
• inner
• panel)
• (AT4
• logo
• replaces
• GMC
• logo.
• Not
• available
• with
• any
• Ship
• Thrus
• EXCEPT
• (VSH),
• (VTV),
• (TCH)
• or
• (TCE).),Bed
• Step,
• Black
• integrated
• on
• forward
• portion
• of
• bed
• on
• driver
• and
• passenger
• side,Cargo
• tie
• downs
• (12),
• fixed
• rated
• at
• 500
• lbs
• per
• corner,Wheelhouse
• liners,
• rear,Moldings,
• beltline,
• Black,Grille
• (Painted
• Black
• surround
• with
• high
• gloss
• Black
• mesh
• and
• Black
• chrome
• inserts.),Fog
• lamps,
• LED,Lamps,
• cargo
• area
• cab
• mounted
• integrated
• with
• center
• high
• mount
• stop
• lamp,
• with
• switch
• in
• bank
• on
• left
• side
• of
• steering
• wheel,LED
• Cargo
• Area
• Lighting
• located
• in
• cargo
• bed
• activated
• with
• switch
• on
• center
• switch
• bank
• or
• key
• fob,Taillamps,
• LED
• signature
• taillight
• with
• LED
• stop
• and
• reverse
• light,Mirrors,
• outside
• power-adjustable
• vertical
• trailering
• with
• heated
• and
• auto-dimming
• upper
• glass,
• (driver
• and
• passenger)
• lower
• convex
• mirrors,
• turn
• signal
• indicators,
• puddle
• lamps,
• perimeter
• lighting,
• auxiliary
• lighting,
• power
• folding/extending
• (extends
• 3.31
• [84.25mm])
• (Molded
• in
• color
• Black.),Mirror
• caps,
• high
• gloss
• Black,Glass,
• deep-tinted,Door
• handles,
• body-color,Tailgate,
• GMC
• MultiPro
• Tailgate
• with
• six
• functional
• load/access
• features,Tailgate,
• gate
• function
• manual
• with
• EZ
• Lift
• includes
• power
• lock
• and
• release,
• includes
• hitch
• area
• light,Tailgate
• and
• bed
• rail
• protection
• caps,
• top,Radio,
• HD,Audio
• system
• feature,
• 6-speaker
• system,4G
• LTE
• Wi-Fi
• Hotspot
• capable
• (Terms
• and
• limitations
• apply.
• See
• onstar.com
• or
• dealer
• for
• details.),Seat
• adjuster,
• driver
• 10-way
• power
• including
• lumbar,Seat
• adjuster,
• passenger
• 10-way
• power
• including
• lumbar,Driver
• memory
• recalls
• driver
• presets
• for
• power
• driver
• seat
• and
• outside
• mirrors,Seats,
• heated
• second
• row
• outboard
• seats,Seat,
• Up-level
• Rear
• with
• Storage
• Package,
• 60/40
• folding
• bench
• for
• Crew
• Cab
• models,
• includes
• full-length
• bench
• seat,
• seatback
• storage
• on
• left
• and
• right
• side,
• center
• fold
• out
• armrest
• with
• 2
• cupholders,
• full
• cab
• width
• under-seat
• storage,
• (includes
• child
• seat
• top
• tether
• anchor),Center
• Console,
• floor-mounted
• with
• cup
• holders,
• cell
• phone
• storage,
• power
• cord
• management,
• hanging
• file
• folder
• capability,Floor
• covering,
• color-keyed
• carpeting,Steering
• wheel,
• leather-wrapped,Steering
• wheel,
• heated,Steering
• wheel
• audio
• controls,Steering
• column,
• manual
• Tilt-Wheel
• and
• telescoping,Steering
• column,
• lock
• control,
• electrical,Instrument
• cluster,
• 6-gauge
• cluster
• featuring
• speedometer,
• fuel
• level,
• engine
• temperature,
• tachometer,
• voltage
• and
• oil
• pressure,Driver
• Information
• Center,
• 4.2
• diagonal
• color
• display
• includes
• driver
• personalization,Exterior
• Temperature
• Display,
• located
• in
• radio
• display,Compass,
• located
• in
• instrument
• cluster,Rear
• Seat
• Reminder,Remote
• vehicle
• starter
• system,Cruise
• control,
• steering
• wheel-mounted,Theft-deterrent
• system,
• unauthorized
• entry,Power
• outlet,
• instrument
• panel,
• 120-volt
• (400
• watts
• shared
• with
• (KC9)
• bed
• mounted
• power
• outlet),USB
• ports,
• dual,
• charge-only
• (2nd
• row),Power
• outlet,
• bed
• mounted,
• 120-volt
• (400
• watts
• shared
• with
• (KI4)
• instrument
• panel
• mounted
• power
• outlet),Air
• conditioning,
• dual-zone
• automatic
• climate
• control,Air
• vents,
• rear,Assist
• handles
• front
• A-pillar
• mounted
• for
• driver
• and
• passenger,
• rear
• B-pillar
• mounted,GMC
• Connected
• Access
• capable
• (Subject
• to
• terms.
• See
• onstar.com
• or
• dealer
• for
• details),StabiliTrak,
• stability
• control
• system
• with
• Proactive
• Roll
• Avoidance
• and
• traction
• control,
• includes
• electronic
• trailer
• sway
• control
• and
• hill
• start
• assist,Airbags,
• Dual-stage
• frontal
• airbags
• for
• driver
• and
• front
• outboard
• passenger;
• Seat-mounted
• side-impact
• airbags
• for
• driver
• and
• front
• outboard
• passenger;
• Head-curtain
• airbags
• for
• front
• and
• rear
• outboard
• seating
• positions;
• Includes
• front
• outboard
• Passenger
• Sensing
• System
• for
• frontal
• outboard
• passenger
• airbag
• (Always
• use
• seat
• belts
• and
• child
• restraints.
• Children
• are
• safer
• when
• properly
• secured
• in
• a
• rear
• seat
• in
• the
• appropriate
• child
• restraint.
• See
• the
• Owner's
• Manual
• for
• more
• information.),Hitch
• Guidance
• dynamic
• single
• line
• to
• aid
• in
• truck
• trailer
• alignment
• for
• hitching,Teen
• Driver
• a
• configurable
• feature
• that
• lets
• you
• activate
• customizable
• vehicle
• settings
• associated
• with
• a
• key
• fob,
• to
• help
• encourage
• safe
• driving
• behavior.
• It
• can
• limit
• certain
• available
• vehicle
• features,
• and
• it
• prevents
• certain
• safety
• systems
• from
• being
• turned
• off.
• An
• in-vehicle
• report
• card
• gives
• you
• information
• on
• driving
• habits
• and
• helps
• you
• to
• continue
• to
• coach
• your
• new
• driver
• -