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The Daily Driver Classic Motors

5423 Northrup Ave, Saint Louis, MO 63110
4.5
4.5 out of 5 stars
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Used 2021 GMC Sierra 1500 SLT

133,368 miles
For Sale:$28,999
Estimated payment:$658/mo.
$0 trade-in, 10% down payment, 48 months, Great credit score

Value ChartA visual chart indicating the fair price range is between $29,200 and $34,200, while the current price is $28,999.$29,200 - $34,200$28,999

  • Priced at $28,999, this vehicle is $201 (1%) below the low end of its fair market value of $29,200.

  • The current fair market price range is between $29,200 to $34,200.

  • It has 133,368 miles, which is 46,768 (54%) above the median mileage of 86,600.

Note: This is an estimate based on a variety of factors (experimental feature). It is intended to provide a fair market value range to help guide your buying decision.

View Full Value Report
Used 2021 GMC Sierra 1500 SLT for sale near Saint Louis, Saint Charles, Florissant, Belleville, Ballwin, Saint Peters, Chesterfield, Fenton
Used 2021 GMC Sierra 1500 SLT for sale near Saint Louis, Saint Charles, Florissant, Belleville, Ballwin, Saint Peters, Chesterfield, Fenton
Used 2021 GMC Sierra 1500 SLT for sale near Saint Louis, Saint Charles, Florissant, Belleville, Ballwin, Saint Peters, Chesterfield, Fenton
Used 2021 GMC Sierra 1500 SLT for sale near Saint Louis, Saint Charles, Florissant, Belleville, Ballwin, Saint Peters, Chesterfield, Fenton
Used 2021 GMC Sierra 1500 SLT for sale near Saint Louis, Saint Charles, Florissant, Belleville, Ballwin, Saint Peters, Chesterfield, Fenton
  • Truck
  • Pickup
  • Crew Cab
  • Extended Front Legroom
  • Vaulted Headroom
  • Condition
    Used
  • Mileage
    133,368miles
  • Aggregate Ratings
    3.6
    3.6 out of 5 stars
  • Generation
    4(2019 - 2026)
  • Trim
    SLT
  • Drivetrain
    4X4
  • Transmission
    10-Speed Shiftable Automatic
  • MPG
    22 city26 highwayMax range: 624 miles
  • Exterior Color
    Black
  • Interior Color
    Jet Black (Black)Factory Paint Code:H1Y
  • Upholstery
    Leather
  • Size Segment
    1/2 Ton
  • Doors
    4
  • Max Seating
    6
  • Max Towing Capacity
    11,700lbs.
  • Weight Class
    6,000-10,000 lbs. (2)
  • Bed Length
    69.9in.
  • Ground Clearance
    8.1inch
  • NHTSA Safety Ratings
    4
    4 out of 5 stars
  • Final Assembly Point
    Fort Wayne, Indiana
  • VIN
    1GTU9DET8MZ193713
  • Starting MSRP
    $50,800

Engine3L I6 Diesel 277hp

  • Fuel Type:Diesel
  • Max Horsepower:277 hp @ 3750 rpm
  • Power to Weight Ratio:18.19lbs/hp
  • Max Torque:460 ft.lbf @ 1500 rpm
  • Brand:Duramax
  • Displacement:3liters
  • Block Type:I
  • Cylinders:6
  • Aspiration:Turbo
  • Fuel Induction:Common Rail Direct Injection
  • Cam Type:DOHC
  • Stroke:3.54
  • Bore:3.3
  • Valves:24

Message from the seller

2021 GMC Sierra 1500 SLT Duramax Turbo diesel

  • Comfort & Seating:

    • Heated Seats
    • Heated Steering Wheel
    • Power Seats

  • Convenience:

    • 115V Power Outlet
    • Automatic Climate Control
    • Remote Start

  • Entertainment:

    • Bluetooth
    • Satellite Radio

  • Exterior:

    • Heated Mirrors
    • Tinted Windows

  • Other:

    • Trailer Hitch

  • Safety:

    • Backup Camera
    • Tire Pressure Monitoring

  • Technology:

    • Android Auto

  • Air Conditioning

    • Front air conditioning: automatic climate control
    • Front air conditioning zones: dual
    • Rear vents: second row
    • Air filtration

  • Airbags

    • Airbag deactivation: occupant sensing passenger
    • Side airbags: front
    • Front airbags: dual
    • Side curtain airbags: front
    • Side curtain airbags: rear

  • Audio System

    • Radio: voice operated
    • Auxiliary audio input: Bluetooth
    • Radio: touch screen display
    • Antenna type: diversity
    • Antenna type: mast
    • Total speakers: 6
    • Radio: AM/FM
    • Radio data system
    • Speed sensitive volume control
    • Auxiliary audio input: USB
    • Auxiliary audio input: memory card slot
    • Auxiliary audio input: iPod/iPhone
    • Satellite radio: SiriusXM

  • Brakes

    • Rear brake type: ventilated disc
    • Front brake width: 1.18
    • Rear brake diameter: 14.2
    • Front brake diameter: 13.6
    • Front brake type: ventilated disc
    • Braking assist
    • Electronic brakeforce distribution
    • ABS: 4-wheel
    • Power brakes
    • Rear brake width: 0.79

  • Comfort Features

    • Floor mat material: carpet
    • Heated steering wheel
    • Steering wheel trim: leather
    • Door trim: simulated wood
    • Armrests: rear folding
    • Armrests: rear center with cupholders
    • Armrests: front center
    • Floor mats: rear
    • Floor mats: front
    • Floor material: carpet

  • Convenience Features

    • Power outlet(s): USB front
    • Power outlet(s): USB rear
    • Cupholders: front
    • Memorized settings: 2 driver
    • Steering wheel: tilt and telescopic
    • Power outlet(s): 115V cargo area
    • One-touch windows: 4
    • Reading lights: front
    • Power outlet(s): 12V rear
    • Cruise control
    • Power steering
    • Multi-function remote: panic alarm
    • Power windows: lockout button
    • Steering wheel mounted controls: audio
    • Memorized settings: driver seat
    • Multi-function remote: vehicle and key memory
    • Memorized settings: side mirrors
    • Push-button start
    • Vanity mirrors: dual illuminating
    • Power outlet(s): 12V front
    • Assist handle: rear
    • Remote engine start
    • Rearview mirror: auto-dimming
    • Steering wheel mounted controls: cruise control
    • Steering wheel mounted controls: phone
    • Steering wheel mounted controls: multi-function
    • Easy entry: power driver seat
    • Power outlet(s): 115V front
    • Storage: front seatback
    • Assist handle: front
    • Storage: under rear seats
    • Storage: door pockets
    • Multi-function remote: proximity entry system
    • Cupholders: rear
    • Steering wheel mounted controls: voice control
    • Capless fuel filler system
    • Storage: in seat cushion

  • Drivetrain

    • Drive mode selector
    • 4WD type: part time w/ on demand setting
    • Axle ratio: 3.23
    • Locking differential: rear
    • 4WD selector: electronic

  • Engine

    • Auto start/stop
    • Battery saver
    • Battery: heavy duty
    • Battery: maintenance-free
    • Battery rating: 730 CCA
    • Alternator: 170 amps

  • Exterior Features

    • Active grille shutters
    • Pickup bed light: LED
    • Tailgate: power locking
    • Tailgate: power open
    • Tailgate: multi-function split-folding
    • Bumper detail: rear integrated corner step
    • Door handle color: chrome
    • Mirror color: chrome
    • Grille color: chrome
    • Grille color: chrome surround
    • Tailgate: removable
    • Exhaust tip color: stainless steel
    • Tailgate: lift assist
    • Rear bumper color: chrome
    • Fender lip moldings: black
    • Window trim: chrome
    • Front bumper color: chrome
    • Tailgate: step

  • In Car Entertainment

    • Connected in-car apps: Google POIs
    • Connected in-car apps: Google search
    • Connected in-car apps: app marketplace integration
    • Infotainment: GMC Infotainment System
    • Infotainment screen size: 8 in.
    • Smartphone integration: wireless Apple CarPlay
    • Smartphone integration: wireless Android Auto

  • Instrumentation

    • Warnings and reminders: low battery
    • Instrument cluster screen size: 4.2 in.
    • Warnings and reminders: lamp failure
    • Warnings and reminders: low oil pressure
    • Warnings and reminders: coolant temperature warning
    • Clock
    • Powertrain hour meter
    • Gauge: tachometer
    • Compass
    • Digital odometer
    • External temperature display
    • Multi-function display
    • Gauge: oil pressure
    • Fuel economy display: MPG
    • Fuel economy display: range
    • Warnings and reminders: low fuel level
    • Warnings and reminders: maintenance due
    • Trip odometer

  • Lights

    • Daytime running lights: LED
    • Front fog lights: LED
    • Taillights: LED
    • Exterior entry lights: puddle lamps
    • Exterior entry lights: approach lamps
    • Headlights: LED
    • Headlights: wiper activated
    • Headlights: auto delay off
    • Headlights: auto on/off

  • Mirrors

    • Side mirror adjustments: power
    • Side mirrors: heated
    • Side mirror adjustments: reverse gear tilt
    • Side mirror adjustments: power folding
    • Side mirrors: driver side auto-dimming

  • Safety

    • Rearview monitor: in dash
    • Check rear seat reminder
    • Child safety door locks
    • Child seat anchors: LATCH system
    • Camera system: rearview
    • Programmable safety key

  • Seatbelts

    • Seatbelt pretensioners: front
    • Seatbelt warning sensor: front
    • Rear seatbelts: 3-point
    • Front seatbelts: 3-point
    • Emergency locking retractors: front

  • Seats

    • Driver seat power adjustments: height
    • Passenger seat power adjustments: height
    • Passenger seat: heated
    • Driver seat: heated
    • Driver seat power adjustments: 10
    • Rear headrests: 3
    • Front headrests: 2
    • Passenger seat power adjustments: 10
    • Front seat type: 40-20-40 split bench
    • Rear seat type: 60-40 split bench
    • Upholstery: leather-trimmed
    • Front headrests: adjustable
    • Driver seat power adjustments: lumbar
    • Passenger seat power adjustments: lumbar
    • Rear seat folding: folds up
    • Rear headrests: foldable
    • Upholstery accents: perforated
    • Driver seat power adjustments: reclining
    • Passenger seat power adjustments: reclining

  • Security

    • Anti-theft system: alarm
    • Power door locks: anti-lockout
    • Anti-theft system: vehicle immobilizer
    • Power door locks: auto-locking

  • Stability and Traction

    • Stability control
    • Traction control
    • Hill holder control
    • Roll stability control
    • Trailer stability control

  • Suspension

    • Front suspension classification: independent
    • Rear suspension classification: solid live axle
    • Rear spring type: leaf
    • Front spring type: coil
    • Rear suspension type: multi-leaf
    • Rear shock type: twin-tube gas
    • Front struts
    • Front stabilizer bar: diameter 33 mm
    • Front suspension type: upper and lower control arms
    • Front shock type: twin-tube gas

  • Telematics

    • Electronic messaging assistance: with read function
    • Electronic messaging assistance: voice operated
    • Satellite communications: voice guided directions
    • Wi-Fi: hotspot
    • Driver assistance app: roadside assistance
    • Smart device app function: maintenance status
    • Smart device app compatibility: myGMC with Connected Access
    • Satellite communications: OnStar
    • Wireless data link: Bluetooth
    • Hands-free phone call integration: voice operated

  • Tires and Rims

    • Tire type: all season
    • Spare tire mount location: underbody
    • Spare wheel type: steel
    • Tire Pressure Monitoring System
    • Spare tire size: full-size
    • Wheels: aluminum alloy with painted accents

  • Towing and Hauling

    • Tow hooks: front
    • Tow/Haul mode
    • Pickup bed cargo management: tie-down anchors
    • Trailer hitch
    • Trailer wiring: 4-pin
    • Trailer wiring: 7-pin
    • Trailer brake controller

  • Windows

    • Window defogger: rear
    • Front wipers: variable intermittent
    • Tinted glass
    • Power windows: safety reverse

All warranties have now EXPIRED

  • Corrosion Perforation
    6 years/100,000 miles
  • Courtesy Transportation
    5 years/100,000 miles
  • Diesel Engine Transferable Powertrain
    5 years/100,000 miles
  • Roadside Assistance
    5 years/60,000 miles
  • Transferable Powertrain
    5 years/60,000 miles
  • Bumper to Bumper
    3 years/36,000 miles
  • Corrosion
    3 years/36,000 miles
  • First Scheduled Maintenance
    1 years/unlimited miles

  • Abs Four Wheel
  • Airbags Front Driver
  • Airbags Front Passenger
  • Airbags Side Impact
  • Airbags Side Curtain
  • Brake Assist
  • Daytime Running Lights
  • Electronic Stability Control
  • Electronic Traction Control
  • Tire Pressure Monitoring System
  • Rollover Stability Control

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Listed on April 22, 2026 (2 hours ago)
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This Used 2021 GMC Sierra 1500 SLT is available for drivers in Saint Louis, Saint Charles, Florissant, Belleville, Ballwin, Saint Peters, Chesterfield, Fenton ...

Cruz™ Disclaimer: Vehicle details shown on this site are provided by sellers or third parties. Cruz™ does not independently verify this information and is not liable for its accuracy. All services and content are offered without any warranty, either expressed or implied. Learn more here.MPG & Max Range: Fuel economy estimates are provided by the EPA and are intended for comparison purposes only. Your actual mileage will vary depending on driving conditions, vehicle condition, and other factors.Price: Prices shown may not include taxes, fees, or other charges. Prices and availability are subject to change without notice. Contact the seller for the most current pricing information.Options & Features: Installed options may not be shown. Contact the seller for more information about available features and options.