All Inventory / Truck / GMC / Sierra 1500 / 2021 GMC Sierra 1500 4WD SLT Crew Cab

Pre-Owned 2021 GMC Sierra 1500 4WD SLT Crew Cab in St. Louis, MO

Stock # 6106401 - VIN: 3GTU9DED6MG170357

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Price : $20,995Admin Fee : $599Sale Price: $21,594

Vehicle Info

Exterior: Ebony Twilight Metallic - Black

Interior: Dark Walnut/Slate Leather

Mileage: 182,575

Fuel Type: Gasoline

MPG: 14-16 city / 20-22 highway

Engine: 5.3L EcoTec3 V8

Drive Type: Four Wheel Drive

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Vehicle Description

The 2021 GMC Sierra 1500 SLT immediately stands out for its confident, composed driving experience. From behind the wheel, the steering feels direct and reassuring, with enough weight to inspire confidence yet light enough for easy maneuvering.

Buyers who value a rewarding connection with their vehicle will appreciate what this truck brings to daily driving. Enthusiasts who notice the way a steering wheel loads up in a corner or how a transmission responds to throttle inputs will find the Sierra 1500 SLT especially appealing. The 4WD system inspires confidence in unpredictable weather and on loose surfaces, while the Dark Walnut/Slate leather interior offers a refined atmosphere for commutes or weekend road trips. In a region like St. Louis where weather can shift quickly, the balanced chassis, robust drivetrain, and comfort-focused cabin make each trip enjoyable and stress-free.

Performance is where this truck truly shines. The EcoTec3 5.3L V8 responds crisply to throttle input, providing robust acceleration that feels both strong and refined. The 10-speed automatic transmission shifts smoothly, with gear changes that are nearly imperceptible yet responsive enough to downshift when quick acceleration is needed. The heavy duty suspension keeps the body composed over bumps and during quick maneuvers, while the speed-sensing steering adapts its weight for a connected, confident feel at any pace. Braking is progressive and confidence-inspiring, with four-wheel disc brakes and brake assist providing reassuring stopping power under any load. Whether driving empty or with a full cabin, the Sierra maintains composure and makes every drive feel substantial and rewarding.

Safety in the Sierra 1500 SLT is engineered to complement rather than override the driver’s sense of control. Electronic Stability Control steps in subtly to maintain composure in slippery conditions or abrupt maneuvers, while ABS brakes allow for secure stops without detracting from pedal feel. Traction control ensures that power is delivered smoothly even when road surfaces are unpredictable, and dual front and side impact airbags provide peace of mind without intruding on the cabin experience. Hitch Guidance and Hitch View add confidence when towing, making it easier for the driver to execute precise maneuvers. Every system works transparently to support driver confidence and engagement rather than replacing attentive driving.

This truck comes equipped with a thoughtful blend of features aimed at enhancing both comfort and usability. The SLT Convenience Package and SLT Premium Package bring upgrades such as heated front seats, a heated steering wheel, and power-adjustable front seats with lumbar support for tailored comfort.

Against the Ford F-150 Lariat and Ram 1500 Laramie, the Sierra 1500 SLT distinguishes itself with its uniquely weighted steering and heavy duty suspension tuning that prioritize composure and driver feedback.

How composed does it feel on the highway? This truck maintains a settled, controlled demeanor even at higher speeds, with the suspension smoothing out road imperfections. Is the ride comfortable on long drives? Supportive, power-adjustable seats and dual-zone climate control ensure fatigue-free trips. How confident is it in corners and merges? The steering and chassis deliver reassuring feedback, while the V8 engine makes merging and passing effortless.

For a test drive that highlights just how rewarding everyday driving can be, visit Dave Sinclair Ford at 7466 S Lindbergh Blvd, St. Louis, MO 63125 or call (314) 892-2600. Experience the blend of comfort, control, and engagement that sets the 2021 GMC Sierra 1500 SLT apart from the crowd.

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Features Overview
  • 4-Wheel Disc Brakes
  • 8 Cylinder Engine
  • A/C
  • ABS
  • Adjustable Steering Wheel
  • Aluminum Wheels
  • AM/FM Stereo
  • Auto-Dimming Rearview Mirror
  • Auxiliary Audio Input
  • Back-Up Camera
  • Bluetooth Connection
  • Climate Control
  • Cruise Control
  • Daytime Running Lights
  • Driver Adjustable Lumbar
  • Driver Air Bag
  • Driver Restriction Features
  • Floor Mats
  • Fog Lamps
  • Four Wheel Drive
  • Front Head Air Bag
  • Front Side Air Bag
  • Gasoline Fuel
  • HD Radio
  • Heated Front Seat
  • Heated Mirrors
  • Heated Steering Wheel
  • Integrated Tailgate Step
  • Keyless Entry
  • Keyless Start
  • Leather Steering Wheel
  • Locking/Limited Slip Differential
  • Mirror Memory
  • MP3 Capability
  • Multi-Zone A/C
  • Pass-Through Rear Seat
  • Passenger Adjustable Lumbar
  • Passenger Air Bag
  • 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 Defrost
  • Rear Head Air Bag
  • Remote Engine Start
  • Requires Subscription
  • Satellite Radio
  • Seat Memory
  • Security System
  • Smart Device Integration
  • Split Bench Seat
  • Stability Control
  • Steering Wheel Audio Controls
  • Telematics
  • Tire Pressure Monitor
  • Tires - Front All-Season
  • Tires - Rear All-Season
  • Tow Hitch
  • Tow Hooks
  • Traction Control
  • WiFi Hotspot
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Detailed Interior Features
  • 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
  • Brake lining wear indicator
  • 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 and trailer electrical diagnostics
  • 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 under-seat storage /
  • Seat adjuster : driver 10-way power including lumbar
  • Seat adjuster : passenger 10-way power including lumbar
  • 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 With bucket seats / USB Ports are located inside console and includes auxiliary jack
  • USB ports : dual / charge-only
  • Window : power front / passenger express up/down
  • Windows : power front / drivers express up/down
  • Windows : power rear / express down
  • Wireless Phone Projection : for Apple CarPlay and Android Auto
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Detailed Exterior Features
  • Bumper : front chrome lower
  • Bumper : rear chrome with bumper CornerSteps
  • CornerStep : rear bumper
  • Door handles : chrome
  • Fog lamps : LED
  • Glass : deep-tinted
  • Grille
  • 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 heated power-adjustable / power-folding and driver-side auto-dimming puddle lamps / side perimeter lighting and memory
  • Moldings : window surround / Chrome
  • 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 265/70R17SL all-season / blackwall
  • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
  • Tires : 265/65R18SL all-season / blackwall
  • Wheel : 17" x 8" full-size / steel spare
  • Wheelhouse liners : rear
  • Wheels : 18" x 8.5" 6-spoke machined aluminum with Dark Grey Metallic accents
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Detailed Safety Features
  • 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
  • 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
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Detailed Mechanical Features
  • Alternator : 170 amps
  • Auto-locking rear differential
  • Battery : heavy-duty 730 cold-cranking amps/80 Amp-hr / maintenance-free with rundown protection and retained accessory power
  • Brakes : 4-wheel antilock / 4-wheel disc with DURALIFE rotors
  • Capless Fuel Fill
  • Cargo tie downs : fixed / rated at 500 lbs per corner
  • Cooling : external engine oil cooler
  • Engine / 5.3L EcoTec3 V8
  • Exhaust : aluminized stainless-steel muffler and tailpipe
  • Exhaust : single outlet
  • Four wheel drive
  • Frame : fully-boxed / hydroformed front section
  • GVWR : 7100 lbs.
  • Pickup bed
  • Rear axle : 3.23 ratio
  • Recovery hooks : front / frame-mounted / Black
  • Steering : Electric Power Steering assist / rack-and-pinion
  • Trailer brake controller : integrated
  • Transfer case : single speed / electronic Autotrac with push button control
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Options & Features
  • 4-Wheel Disc Brakes
  • 8 Cylinder Engine
  • A/C
  • ABS
  • Adjustable Steering Wheel
  • Aluminum Wheels
  • AM/FM Stereo
  • Auto-Dimming Rearview Mirror
  • Auxiliary Audio Input
  • Back-Up Camera
  • Bluetooth Connection
  • Climate Control
  • Cruise Control
  • Daytime Running Lights
  • Driver Adjustable Lumbar
  • Driver Air Bag
  • Driver Restriction Features
  • Floor Mats
  • Fog Lamps
  • Four Wheel Drive
  • Front Head Air Bag
  • Front Side Air Bag
  • Gasoline Fuel
  • HD Radio
  • Heated Front Seat
  • Heated Mirrors
  • Heated Steering Wheel
  • Integrated Tailgate Step
  • Keyless Entry
  • Keyless Start
  • Leather Steering Wheel
  • Locking/Limited Slip Differential
  • Mirror Memory
  • MP3 Capability
  • Multi-Zone A/C
  • Pass-Through Rear Seat
  • Passenger Adjustable Lumbar
  • Passenger Air Bag
  • 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 Defrost
  • Rear Head Air Bag
  • Remote Engine Start
  • Requires Subscription
  • Satellite Radio
  • Seat Memory
  • Security System
  • Smart Device Integration
  • Split Bench Seat
  • Stability Control
  • Steering Wheel Audio Controls
  • Telematics
  • Tire Pressure Monitor
  • Tires - Front All-Season
  • Tires - Rear All-Season
  • Tow Hitch
  • Tow Hooks
  • Traction Control
  • WiFi Hotspot
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Prices subject to change without notice and do not include Title, License, Registration Fees, State or Local Taxes or Processing Fees, if any. Please contact seller first for vehicle availability. Although every effort is made to present accurate and reliable information, use of this information is voluntary, and should only be deemed reliable after an independent review of its accuracy, completeness, and timeliness. It is the sole responsibility of the customer to verify the existence of options, accessories and the vehicle condition before time of sale. Any and all differences must be addressed prior to time of sale. No expressed or implied warranties, including the availability or condition of the equipment listed is made. Fuel economy estimates for comparison purposes only. Actual mileage may vary depending on driving conditions, driving habits, and vehicle maintenance.

Vehicle located at: https://www.davesinclairford.com/vehicle/3GTU9DED6MG170357/