2021 GMC Sierra 3500HD

• 10-Way Power Driver Seat Adjuster w/Lumbar
• 10-Way Power Passenger Seat Adjuster w/Lumbar
• 12-Volt Rear Auxiliary Power Outlet
• 120-Volt Bed Mounted Power Outlet

• 120-Volt Instrument Panel Power Outlet
• 18" Machined-Aluminum Wheels
• 2 USB Ports (First Row)
• 2 USB Ports Inside Console

• 2-Speed Active Transfer Case
• 20" Machined Aluminum Wheels
• 220 Amp Alternator
• 2nd Row Dual USB Charge-Only Ports

• 2nd Row Heated Outboard Seats
• 3.42 Rear Axle Ratio
• 3.73 Rear Axle Ratio
• 4-Wheel Disc Brakes

• 4.2" Diagonal Color Display Driver Info Center
• 4G LTE Wi-Fi Hotspot Capable
• 6 Speakers
• 6-Speaker Audio System Feature

• 8" Driver Information Center
• ABS brakes
• Air Conditioning
• Alloy wheels

• AM/FM radio: SiriusXM with 360L
• Apple CarPlay/Android Auto
• AT4 Preferred Package
• AT4 Premium Plus Package

• Auto-dimming door mirrors
• Auto-Dimming Inside Rearview Mirror w/Camera
• Auto-dimming Rear-View mirror
• Automatic Emergency Braking

• Automatic temperature control
• Bed View Camera w/2 Trailer Camera Provisions
• Black Front & Rear Molded Splash Guards (LPO)
• BOSE Premium 7-Speaker Sound System

• Brake assist
• Bumpers: body-color
• Compass
• Compass Located In Instrument Cluster

• Deep-Tinted Glass
• Delay-off headlights
• Driver Alert Package I
• Driver Alert Package II

• Driver door bin
• Driver Memory
• Driver vanity mirror
• Dual front impact airbags

• Dual front side impact airbags
• Electric Rear-Window Defogger
• Electrical Lock Control Steering Column
• Electronic Stability Control

• Engine Block Heater
• Exhaust Brake
• Floor-Mounted Center Console
• Following Distance Indicator

• Forward Collision Alert
• Front anti-roll bar
• Front Bucket Seats
• Front Center Armrest

• Front dual zone A/C
• Front fog lights
• Front License Plate Kit
• Front reading lights

• Front wheel independent suspension
• Fully automatic headlights
• GMC Connected Access Capable
• Gooseneck/5th Wheel Package

• Gooseneck/5th Wheel Prep Package
• HD Radio
• HD Rear Vision Camera
• HD Surround Vision w/2 Trailer View Camera Provisions

• Heated door mirrors
• Heated Driver & Front Outboard Passenger Seats
• Heated Front Seats
• Heated rear seats

• Heated Steering Wheel
• Heavy-Duty 80 Amp Battery
• Hill Descent Control
• Hitch Guidance w/Hitch View

• Illuminated entry
• In-Vehicle Trailering System App
• Integrated Trailer Brake Controller
• IntelliBeam Automatic High Beam On/Off

• Keyless Open & Start
• Lane Change Alert w/Side Blind Zone Alert
• Lane Departure Warning System
• LED Cargo Area Lighting

• Low tire pressure warning
• Manual Tilt-Wheel & Telescoping Steering Column
• Memory seat
• Multicolor 15" Diagonal Head-Up Display

• Occupant sensing airbag
• Off-Road Suspension
• OnStar & GMC Connected Services Capable
• Outside temperature display

• Overhead airbag
• Overhead console
• Painted Blk Surround Grille w/High Gloss Blk Mesh
• Panic alarm

• Passenger door bin
• Passenger vanity mirror
• Perforated Leather-Appointed Front Seat Trim
• Pickup Bed

• Power Door Locks
• Power door mirrors
• Power driver seat
• Power Front Passenger Windows w/Express Up/Down

• Power Front Windows w/Driver Express Up/Down
• Power passenger seat
• Power Rear Windows w/Express Down
• Power Sliding Rear Window w/Defogger

• Power steering
• Power Sunroof
• Power windows
• Power-Retractable Black Assist Steps

• Preferred Equipment Group 4SB
• Prem Front Floor Liners w/Removable Carpet Insert
• Prem Rear Floor Liners w/Removable Carpet Insert
• Premium audio system: Premium GMC Infotainment System

• ProGrade Trailering System
• Radio: AM/FM w/Prem GMC Infotainment System & Navi
• Radio: AM/FM w/Premium GMC Infotainment System
• Rear Cross Traffic Alert

• Rear reading lights
• Rear seat center armrest
• Rear step bumper
• Rear Wheelhouse Liners

• Rear window defroster
• Red Recovery Hooks
• Remote keyless entry
• Remote Vehicle Starter System

• Safety Alert Seat
• Security system
• SiriusXM w/360L
• Speed control

• Speed-sensing steering
• Split folding rear seat
• Spray-On Pickup Bed Liner w/AT4 Logo
• Steering Wheel Audio Controls

• Steering wheel mounted audio controls
• Tachometer
• Technology Package
• Telescoping steering wheel

• Tilt steering wheel
• Traction control
• Trailer Tire Pressure Monitor Sensors
• Trip computer

• Turn signal indicator mirrors
• Ultrasonic Front & Rear Park Assist
• Unauthorized Entry Theft-Deterrent System
• Universal Home Remote

• Variably intermittent wipers
• Ventilated Driver & Front Passenger Seats
• Ventilated Front Seats
• Voltmeter

• Winter Grille Cover
• Wireless Charging
• Wireless Phone Projection
• X31 Off-Road Package