Reduced by $200 since Mar 03, 2026

2021 GMC Sierra 1500 SLT




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Vehicle Information

VIN: 1GTU9DED0MZ453630
Stock #: MZ453630B
Model Code: TK10543
  • Condition Used
  • Body Style Crew Cab
  • Exterior Color Summit White
  • Interior Color Dark Walnut/Slate, Perforated Leather-Appointed Front Outboard Seat Trim
  • Mileage 45,007
  • 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

Why BUY from Twin City Buick GMC? When you choose this Summit White 2021 GMC Sierra 1500 SLT with 45,007 miles, you are not just buying a used vehicle - you are investing in quality, reliability and peace of mind. Our clientele depend on us for Transparent Pricing, Convenience and, most importantly, Customer FIRST Service! 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 Package ($850 value)Hill Descent ControlHeavy-Duty Air FilterDual Exhaust with Premium TipsOff-Road Suspension2-Speed Transfer CaseSkid PlatesX31 Hard BadgeSLT Premium Package ($3,045 value)Chrome Wheel to Wheel Assist Steps20" X 9" Polished Aluminum WheelsPreferred Equipment Group 4SAGMC Connected Access CapablePower Front Passenger Windows with Express Up/downPower Rear Windows with Express DownDeep-Tinted GlassKeyless Open and StartPower Door LocksPower Front Windows with Driver Express Up/downRear Wheelhouse LinersColor-Keyed Carpeting Floor CoveringRemote Vehicle Starter SystemElectric Rear-Window DefoggerCompassAuto-Locking Rear DifferentialChrome GrillePremium GMC Infotainment System Radio with Multi-TouchIntegrated Trailer Brake ControllerHeated Driver and Front Outboard Passenger Seating120-Volt Instrument Panel Power OutletAuxiliary External Transmission Oil Cooler12-Volt Rear Auxiliary Power Outlet170 Amp Alternator5.3L EcoTec3 V8 EngineElectrical Lock Control Steering ColumnManual Tilt-Wheel and Telescoping Steering ColumnSingle Speed Transfer CaseProGrade Trailering SystemOnStar and GMC Connected Services CapableLED Cargo Area LightingSteering Wheel Audio ControlsRear Dual USB Charging-Only PortsTheft Deterrent System (unauthorized Entry)Front Frame-Mounted Black Recovery Hooks4G LTE Wi-Fi Hotspot CapableTrailering Package Safety and Security The vehicle is equipped with a camera that displays an image of the area behind the vehicle on an interior display.Technology and Telematics Without the need for a manufacturer specific app to be installed on the smart device, the vehicle infotainment system can access and control functions of a smart device physically plugged-into the vehicle. Without the need for a manufacturer specific app to be installed on the smart device, the vehicle infotainment system can access and control functions of a smart device physically plugged-into the vehicle. Mobile devices can wirelessly connect to the internet through the vehicle's private mobile network. Mobile devices can wirelessly connect to the internet through the vehicle's private mobile network. 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, 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, SUNROOF, POWER, ASSIST STEPS, CHROME WHEEL TO WHEEL, WINDOW, POWER, REAR SLIDING WITH REAR DEFOGGER, SEATS, VENTILATED DRIVER AND FRONT PASSENGER, CENTER CONSOLE, FLOOR-MOUNTED, UNIVERSAL HOME REMOTE, USB PORTS, 2 (FIRST ROW) LOCATED ON INSTRUMENT PANEL, NOT EQUIPPED WITH DYNAMIC FUEL MANAGEMENT, NOT EQUIPPED WITH HD RADIO, SEE DEALER FOR DETAILS, NOT EQUIPPED WITH HEATED SECOND ROW OUTBOARD SEATS, SEE DEALER FOR DETAILS Come on in to Twin City Buick GMC today at 3046 Airport Highway Alcoa TN 37701 or call to schedul

Eligible Benefits

All Features

  • 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.