Pre-Owned 2021 GMC Sierra 3500HD 4WD SLT Crew Cab in Ballwin, MO

As an Automotive Enthusiast, let me tell you about the powerhouse GMC Sierra 3500HD. This 2021 model boasts a robust 6.6L Turbocharged engine pumping out a remarkable 445 horsepower at 2800 rpm. Coupled with four-wheel drive capability, this truck is ready to tackle any terrain with confidence.

Step inside the Jet Black Leather interior, where luxury meets functionality. The SLT trim offers a plethora of features designed for comfort and convenience, including Heated Front Seats, Cooled Front Seat, Heated Steering Wheel, Integrated Tailgate Step, and more. Whether you’re driving through city streets or off-road trails, the Sierra ensures a premium experience.

Safety is paramount in the Sierra 3500HD with features like Blind Spot Monitor, Lane Departure Warning, Front Collision Mitigation, Rear Parking Aid, and more keeping you secure on the road. The array of driver-assist technologies enhances both performance and peace of mind during your journeys behind the wheel.

Experience unrivaled performance and capability in the GMC Sierra 3500HD truck - a true embodiment of power, luxury, and cutting-edge technology. Contact STL Cars today at 314-626-3251 to take this beast for a test drive and unleash its full potential on the road.

• 4-Wheel Disc Brakes
• 8 Cylinder Engine
• A/C
• ABS
• Adjustable Steering Wheel
• Aerial View Display System
• Aluminum Wheels
• AM/FM Stereo
• Auto-Dimming Rearview Mirror
• Auxiliary Audio Input
• Back-Up Camera
• Blind Spot Monitor
• Bluetooth Connection
• Bucket Seats
• Climate Control
• Conventional Spare Tire
• Cooled Front Seat
• Cross-Traffic Alert
• Cruise Control
• Daytime Running Lights
• Diesel Fuel
• Driver Adjustable Lumbar
• Driver Air Bag
• Driver Restriction Features
• Dual Rear Wheels
• Floor Mats
• Fog Lamps
• Four Wheel Drive
• Front Collision Mitigation
• Front Collision Warning
• Front Head Air Bag
• Front Side Air Bag
• Generic Sun/Moonroof
• HD Radio
• Heated Front Seat
• Heated Mirrors
• Heated Rear Seat
• Heated Steering Wheel
• Integrated Tailgate Step
• Integrated Turn Signal Mirrors
• Keyless Entry
• Keyless Start
• Lane Departure Warning
• Leather Seats
• Leather Steering Wheel
• Locking/Limited Slip Differential
• Mirror Memory
• MP3 Player
• Multi-Zone A/C
• Pass-Through Rear Seat
• Passenger Adjustable Lumbar
• Passenger Air Bag
• Passenger Air Bag On/Off Switch
• Passenger Air Bag Sensor
• Power Door Locks
• Power Driver Seat
• Power Folding Mirrors
• Power Mirror
• Power Outlet
• Power Passenger Seat
• Power Steering
• Power Windows
• Privacy Glass
• Rear Bench Seat
• Rear Defrost
• Rear Head Air Bag
• Rear Parking Aid
• Remote Engine Start
• Requires Subscription
• Running Boards/Side Steps
• Satellite Radio
• Seat Memory
• Security System
• Sliding Rear Window
• Smart Device Integration
• Split Bench Seat
• Stability Control
• Steering Wheel Audio Controls
• Sun/Moonroof
• Telematics
• Tire Pressure Monitor
• Tires - Front All-Terrain
• Tires - Rear All-Terrain
• Tow Hitch
• Tow Hooks
• Traction Control
• Turbocharged
• WiFi Hotspot

• 4G LTE Wi-Fi Hotspot capable
• Air conditioning : dual-zone automatic climate control
• Air vents : rear
• Assist handles : front A-pillar mounted for driver and passenger / rear B-pillar mounted
• Audio system : Premium GMC Infotainment System with 8" diagonal color touch-screen includes multi-touch display / AM/FM stereo / Bluetooth streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones / advanced voice recognition / in-vehicle apps / personalized profiles for infotainment and vehicle settings
• Audio system feature : 6-speaker system
• Bluetooth for phone connectivity to vehicle infotainment system
• Compass : located in instrument cluster
• Cruise control : steering wheel-mounted
• Defogger : rear-window electric
• Door locks : power
• Driver Information Center : 4.2" diagonal color display includes driver personalization
• Driver memory : recalls driver "presets" for power driver seat and outside mirrors
• Exterior Temperature Display located in radio display
• Floor covering : color-keyed carpeting
• Floor mats : carpeted front
• Floor mats : carpeted rear
• GMC Connected Access capable
• HD Radio
• In-vehicle Trailering App : System includes checklist / trailer maintenance reminders / trailer security alerts / trailer mileage / towith haul reminder / trailer electrical diagnostics and Trailer Tire Pressure Monitor System module
• Instrument cluster : 6-gauge cluster featuring speedometer / fuel level / engine temperature / tachometer / voltage and oil pressure
• Keyless Open and Start
• Mirror : inside rearview auto-dimming
• Power outlet : bed mounted / 120-volt
• Power outlet : front auxiliary / 12-volt
• Power outlet : instrument panel / 120-volt
• Power outlet : rear auxiliary / 12-volt
• Remote vehicle starter system
• 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 underseat storage /
• Seat adjuster : driver 10-way power including lumbar
• Seat adjuster : passenger 10-way power including lumbar
• Seat trim : Perforated Leather-appointed front outboard seating positions
• Seating : heated driver and front outboard passenger
• Seats : front 40/20/40 split-bench with covered armrest storage and under-seat storage
• SiriusXM Radio
• SiriusXM with 360L Equipped with SiriusXM with 360L. Enjoy a trial subscription of the All Access package for the full 360L experience / with a greater variety of SiriusXM content / a more personalized experience and easier navigation. With the All Access package / you can also enjoy your favorites everywhere you go / with the SiriusXM app / online and at home on compatible connected devices.
• Steering column : lock control / electrical
• Steering column : manual Tilt-Wheel and telescoping
• Steering wheel : heated
• Steering wheel : leather-wrapped
• Steering wheel audio controls
• Theft-deterrent system : unauthorized entry
• USB Ports Bucket Seats / ports are inside console and also includes auxiliary jack
• USB ports : dual / charge-only
• Window : power front / drivers express up/down
• Window : power front / passenger express up/down
• Windows : power rear / express down
• Wireless Phone Projection for Apple CarPlay and Android Auto

• Bed Step : Black integrated on forward portion of bed on driver and passenger side
• Bumper : front chrome lower
• Bumper : rear chrome with bumper CornerSteps
• Cargo tie downs : fixed / rated at 500 lbs per corner
• CornerStep : rear bumper
• Door handles : chrome
• Fog lamps : LED
• Glass : deep-tinted
• Grille : Chrome surround with high gloss Black mesh and Chrome inserts
• Headlamps : LED reflector with LED turn signals and LED signature Daytime Running Lamps
• 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
• Mirror caps : chrome
• Mirrors : outside power-adjustable vertical trailering with heated and auto-dimming upper glass /
• Moldings : beltline / stainless steel
• Tailgate : gate function manual with EZ Lift includes power lock and release / includes hitch area light
• Tailgate : GMC MultiPro Tailgate with six functional load/access features
• Tailgate and bed rail protection caps : top
• Taillamps : LED signature taillight with LED stop and reverse light
• Tire : spare LT275/70R18 all-terrain / blackwall
• Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
• Tires : LT275/70R18E all-terrain / blackwall
• Wheelhouse liners : rear
• Wheels : 18"

• 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
• Daytime Running Lamps LED signature lighting
• HD Rear Vision Camera
• Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
• Hitch Guidance with Hitch View with image adjustment : Pan/Zoom/Tilt
• OnStar Equipped (service required)
• Rear Seat Reminder
• StabiliTrak : stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist
• 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
• Tire Pressure Monitoring System with Tire Fill Alert

• Air filter : heavy-duty
• Air filtration monitoring
• Alternator : 170 amps
• Auto-locking rear differential
• Battery : heavy-duty 720 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power
• Brake lining wear indicator
• Brakes : 4-wheel antilock / 4-wheel disc with DURALIFE rotors
• Capless Fuel Fill
• Cooling : external engine oil cooler
• Four wheel drive
• Frame : fully-boxed / hydroformed front section and a fully-boxed stamped rear section
• GVWR : 11500 lbs.
• Pickup bed includes bed assist step
• Rear axle : 3.73 ratio
• Recovery hooks : front / frame-mounted / Black
• Steering : Digital Variable Steering Assist This system automatically adjusts steering based on speed / road conditions / and other inputs to reduce driver effort and fatigue
• Suspension Package
• Trailer brake controller : integrated
• Transfer case : two-speed active electronic Autotrac with push button control