Reduced by $2,348 since Jun 24, 2026

2021 GMC Sierra 1500 SLT



  • $37,999 Harry Brown's Price

  • Retail Price: $37,649
    • +$350
  • Harry Brown's Price $37,999

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Vehicle Information

VIN: 3GTU9DED7MG422259
Stock #: 56355A
Model Code: TK10543
  • Condition Used
  • Body Style Crew Cab
  • Exterior Color Cardinal Red
  • Interior Color Dark Walnut/Slate, Perforated Leather-Appointed Front Outboard Seat Trim
  • Mileage 37,253
  • Fuel Economy
    City/Highway 14/20 MPG
  • Engine Engine: 5.3L, EcoTec3 V-8, DI, Dynamic Fuel Mgt, V V T
  • Transmission Automatic
  • Fuel Type Gasoline Fuel

Highlighted Features

Feature availability subject to final vehicle configuration. Please reference window sticker for more info.
  • Bluetooth®
  • 4WD/AWD
  • Android Auto
  • Apple CarPlay
  • Aux Input
  • Heated Seats
  • Leather Seats
  • Cruise Control

Dealer Comments

Driving Good. Together. At Harry Browns, we focus on honesty, transparency, and treating people the right way. This Cardinal Red 2021 GMC Sierra 1500 SLT is part of that promise - from your first question to every mile ahead. One Owner! No Accidents! **NEW TIRES** What this vehicle includes: SLT Convenience PackagePower Sliding Rear Window with Rear DefoggerFront Bucket SeatsFloor-Mounted Center ConsoleHeated 2nd Row Outboard SeatsVentilated Driver and Front Passenger Seats2 USB Ports2 USB Ports (1st Row)Universal Home RemoteX31 Off-Road and Protection Package ($3,005 value)X31 Off-Road Package ($850 value)Hill Descent ControlHeavy-Duty Air FilterDual Exhaust with Premium TipsOff-Road Suspension2-Speed Transfer CaseSkid PlatesX31 Hard BadgeSpray-On Bed Liner ($545 value)All-Weather Floor Liners ($210 value)Includes front and rear all weather floor liners. Limited Promotion Option.Chrome Assist Steps ($700 value)P275/60R20SL All-Terrain Blackwall Tires ($200 value)Includes P275/60R20SL all-terrain blackwall tires.20 x 9 In. Polished Aluminum Wheels ($1,400 value)Cardinal Red Paint ($495 value) Safety and Security Forward collision mitigation - Forward thinking. You look away for just a second and suddenly the vehicle in front of you has stopped. That's when the forward collision mitigation system comes to life. When it senses an impending impact, it will activate a combination of features to help prevent or reduce the severity of an accident. Forward collision mitigation is always looking ahead. Pedestrian impact prevention - An extra step toward safety. Pedestrians don't always stop, look, and listen, but with Pedestrian Impact Prevention, your vehicle is equipped to better see them and avoid them. This system constantly monitors the road ahead to identify and track pedestrians. It projects that image to an interior display screen, AND should an impact become likely, Pedestrian impact prevention takes steps to avoid a collision.Technology and Telematics Smart device mirroring - Smartphone, meet smart car. You can control your device through your vehicle's infotainment system. Smart device mirroring brings together safety and convenience by making it easier to find what you're looking for while keeping your eyes on the road. Smart device mirroring - Smartphone, meet smart car. You can control your device through your vehicle's infotainment system. Smart device mirroring brings together safety and convenience by making it easier to find what you're looking for while keeping your eyes on the road. Mobile hotspot - WiFi on the fly. Connect your devices to the Internet through your vehicles private mobile hotspot and take the internet wherever your journey takes you, without eating up your data allowance. Find the hotspot with mobile hotspot. EMISSIONS, FEDERAL REQUIREMENTS, ENGINE, 5.3L ECOTEC3 V8, TRANSMISSION, 8-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED, GVWR, 7100 LBS. (3221 KG), REAR AXLE, 3.23 RATIO, WHEELS, 20" X 9" (50.8 CM X 22.9 CM) POLISHED ALUMINUM, TIRES, 275/60R20SL ALL-TERRAIN, BLACKWALL, TIRE, SPARE 255/80R17SL ALL-SEASON, BLACKWALL, SEATS, FRONT BUCKET, DARK WALNUT/SLATE, PERFORATED LEATHER-APPOINTED FRONT OUTBOARD SEAT TRIM, AUDIO SYSTEM, PREMIUM GMC INFOTAINMENT SYSTEM WITH 8" DIAGONAL COLOR TOUCH-SCREEN, INCLUDES MULTI-TOUCH DISPLAY, AM/FM STEREO, SLT PREMIUM PACKAGE, X31 OFF-ROAD AND PROTECTION PACKAGE, SLT CONVENIENCE PACKAGE, X31 OFF-ROAD PACKAGE, AIR FILTER, HEAVY-DUTY, HILL DESCENT CONTROL, TRANSFER CASE, TWO-SPEED, ELECTRONIC AUTOTRAC, SKID PLATES, EXHAUST, DUAL WITH PREMIUM TIPS, ASSIST STEPS, CHROME WHEEL TO WHEEL, WINDOW, POWER, REAR SLIDING WITH REAR DEFOGGER, LICENSE PLATE KIT, FRONT, BED LINER, SPRAY-ON, SEATS, VENTILATED DRIVER AND FRONT PASSENGER, SEATS, HEATED SECOND ROW OUTBOARD SEATS, CENTER CONSOLE, FLOOR-MOUNTED, LPO, ALL-WEATHER FLOOR LINER, 1ST AND 2ND ROWS, UNIVERSAL HOME REMOTE, USB PORTS, 2 (FIRST ROW) LOCATED ON INSTRUMENT PANEL, NOT EQUIPPED WITH DYNAMIC FUEL MANAGEMENT, NOT EQUIPPED W

Eligible Benefits

All Features

SLT PREFERRED EQUIPMENT GROUP

  • includes standard equipment

SEATS, FRONT BUCKET

  • with center console

GVWR, 7100 LBS. (3221 KG)

  • (STD)

BED LINER, SPRAY-ON

  • Pickup bedliner with GMC logo

CENTER CONSOLE, FLOOR-MOUNTED

  • with cup holders
  • cell phone storage
  • power cord management
  • hanging file folder capability

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 (Note: (PZ8) Hitch Guidance with hitch view is included with trim. Includes SiriusXM with 360L.) (STD)

SEATS, HEATED SECOND ROW OUTBOARD SEATS

  • (Included and only available with (PCY) SLT Convenience Package on vehicles built before 7-26-2021. Certain vehicles built on or after 7-26-2021 will include (RFU) Not Equipped with Heated Second Row Outboard Seats
  • which removes (KA6) Heated Second Row Outboard Seats. See dealer for details.)

ENGINE, 5.3L ECOTEC3 V8

  • (355 hp [265 kW] @ 5600 rpm
  • 383 lb-ft of torque [518 Nm] @ 4100 rpm); featuring available Dynamic Fuel Management that enables the engine to operate in 17 different patterns between 2 and 8 cylinders
  • depending on demand
  • to optimize power delivery and efficiency (STD)

TRANSMISSION, 8-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED

  • with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (STD)

TRANSFER CASE, TWO-SPEED, ELECTRONIC AUTOTRAC

  • with push button control

SLT CONVENIENCE PACKAGE

  • includes (A50) bucket seats with (D07) center console
  • (KQV) ventilated front seats
  • (A48) rear sliding power window
  • (UG1) Universal Home Remote
  • (MCZ) 2 USB ports with auxiliary input (IP Mounted)
  • (MCR) 2 USB Ports/SD Card/Aux Jack (Inside Console with bucket seats) and (KA6) rear heated seats (KA6) Heated Second Row Outboard Seats are included on Crew Cab models built before 7-26-2021. Certain vehicles built on or after 7-26-2021 will include (RFU) Not Equipped with Heated Second Row Outboard Seats
  • which removes (KA6) Heated Second Row Outboard Seats. See dealer for details.)

SLT PREMIUM PACKAGE

  • includes (PCY) SLT Convenience Package and (NZM) 20" Polished aluminum wheels
  • (BVT) Chrome assist steps.

TIRES, 275/60R20SL ALL-TERRAIN, BLACKWALL

  • (Includes (QAQ) spare tire.

NOT EQUIPPED WITH HD RADIO, SEE DEALER FOR DETAILS

  • (Certain vehicles built on or after 7-12-2021 will include (RG0) Not Equipped with HD Radio
  • which removes (U2L) HD Radio. See dealer for details.)

LPO, ALL-WEATHER FLOOR LINER, 1ST AND 2ND ROWS

  • (dealer-installed)

  • WINDOW

  • POWER
  • REAR SLIDING WITH REAR DEFOGGER

    ASSIST STEPS

  • CHROME WHEEL TO WHEEL

    EMISSIONS

  • FEDERAL REQUIREMENTS

    CARDINAL RED

    REAR AXLE

  • 3.23 RATIO

    DARK WALNUT/SLATE

  • PERFORATED LEATHER-APPOINTED FRONT OUTBOARD SEAT TRIM

    HILL DESCENT CONTROL

    SEATS

  • VENTILATED DRIVER AND FRONT PASSENGER

    USB PORTS

  • 2 (FIRST ROW) LOCATED ON INSTRUMENT PANEL

    EXHAUST

  • DUAL WITH PREMIUM TIPS

    WHEELS

  • 20" X 9" (50.8 CM X 22.9 CM) POLISHED ALUMINUM

    TIRE

  • SPARE 255/80R17SL ALL-SEASON
  • BLACKWALL

    UNIVERSAL HOME REMOTE

    LICENSE PLATE KIT

  • FRONT

    NOT EQUIPPED WITH DYNAMIC FUEL MANAGEMENT

  • DriveType
    • DriveType: Four Wheel Drive
  • Fuel Economy
    • City: 14 MPG
    • Hwy: 20 MPG
    • Combined: 16 MPG
  • Fuel System
    • Fuel System: Direct Injection
  • Fuel Tank Capacity
    • Fuel Tank Capacity: 24 gal
  • Fuel Type
    • Fuel Type: Gasoline Fuel
  • Horse Power
    • Horse Power: 355
  • Rear Wheel
    • Rear Wheel: Single
  • Trailering Capacity
    • Trailering Capacity: 0
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May not represent actual vehicle. (Options, colors, trim and body style may vary)

The Manufacturer's Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.