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Dave Sinclair Buick GMC · St Louis, MO

2021 GMC Sierra 1500 SLT

79,674 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2021
MakeGMC
ModelSierra 1500
TrimSLT
Stock numberT261720A
Mileage79,674 miles
BodyPickup
Engine5.3L 8-cyl
Cylinders8
Displacement5.3L
TransmissionAutomatic
Drivetrain4WD
FuelGasoline
MPG14 city / 20 hwy
ExteriorWhite Frost Tricoat

Vehicle description

Why BUY from Dave Sinclair Buick GMC? When you choose this White Frost Tricoat 2021 GMC Sierra 1500 SLT with 79,674 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! No Accidents! One Owner! 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 RemoteSLT 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 AlternatorElectrical 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, ASSIST STEPS, CHROME WHEEL TO WHEEL, WINDOW, POWER, REAR SLIDING WITH REAR DEFOGGER, LICENSE PLATE KIT, FRONT, SEATS, VENTILATED DRIVER AND FRONT PASSENGER, SEATS, HEATED SECOND ROW OUTBOARD SEATS, CENTER CONSOLE, FLOOR-MOUNTED, UNIVERSAL HOME REMOTE, USB PORTS, 2 (FIRST ROW) LOCATED ON INSTRUMENT PANEL, NOT EQUIPPED WITH DYNAMIC FUEL MANAGEMENT Come on in to Dave Sinclair Buick GMC today at 5655 South Lindbergh Blvd St Louis MO 63123 or call (314) 272-4060 to schedule a test drive!

Features & options (17)

  • Bluetooth®
  • 4WD/AWD
  • Android Auto
  • Apple CarPlay
  • Aux Input
  • Heated Seats
  • Leather Seats
  • Cruise Control
  • DriveType: Four Wheel Drive
  • City: 14 MPG
  • Hwy: 20 MPG
  • Combined: 16 MPG
  • Fuel System: Direct Injection
  • Fuel Tank Capacity: 24 gal
  • Fuel Type: Gasoline Fuel
  • Horse Power: 355
  • Rear Wheel: Single

Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.

AutosXchange Intel

Vehicle price analysis

Live listings · within 50 miles of St Louis, Missouri
Asking price$32,031Dealer asking price · 79,674 mi
Market value$36,168Market value · based on 4 comparable cars
vs. market-11.4%Not rated · prices vary widely

Where this price sits

Among the lowest-priced · 75% of 4 similar listings ask more than this car.

$28,299lowest$40,000highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

-11.4%
−25%Market value+25%
Not rated · comparable prices vary too widely$4,137 below the market value of $36,168

Price range

$32,031
$28,299$40,000
2nd lowest price of 5 similar listings within 50 milesTick marks the market value · range of 4 similar listings

AutosXchange Insights

  • Compared with 4 used 2021–2022 GMC Sierra 1500 SLT listings within 50 mi.
  • Priced $4,137 below the market value of 4 comparable cars.
  • 2nd lowest price of 5 similar listings within 50 miles.
  • Has about 15,000 more miles than similar listings.
  • About 13,279 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # T261720A — mention it when you call or text.

How we calculate market value: comparable cars for sale now plus their last listed prices.

Price history

Price tracked by AutosXchange since Nov 6, 2026. No price change at this dealership since Nov 6 ($32,031).

$31.8k$31.9k$32.0k$32.1k$32.2k$32.3kNov 6Nov 7Nov 9Nov 10Nov 11Nov 12

AutosXchange Intel Hub: Price changes for this model in Missouri · This model in the Intel Hub · Market movers in Missouri

Dealer-advertised asking prices as observed by AutosXchange (data as of Nov 12); earlier listings at other dealerships are shown by state only. Source: AutosXchange Intel Hub, autos-xchange.com/market.

Cars this price is compared to

Same 2021–2022 Sierra 1500 SLT · used · any miles · within 50 miles of St Louis, Missouri. All 4 comparable cars for sale, nearest first.

More GMC Sierra 1500 near St Louis

All years and trims. Nearest first.