2021 GMC Sierra 1500 SLT
$2,768 less than this car
- 79,674 mi
- 4WD
- Automatic
- Gasoline
- Truck
Dave Sinclair Buick GMC · St Louis, MO · 0 mi away
64,246 miles · truck

Why BUY from Dave Sinclair Buick GMC? When you choose this Pacific Blue Metallic 2021 GMC Sierra 1500 SLT with 64,246 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 RemoteDriver Alert Package IPerimeter LightingUltrasonic Front and Rear Park AssistRear Cross Traffic AlertLane Change Alert with Side Blind Zone AlertDriver Alert Package IISafety Alert SeatAdaptive Cruise ControlIntelliBeam Automatic High Beam On/offFollowing Distance IndicatorForward Collision AlertLane Keep Assist with Lane Departure WarningAutomatic Emergency BrakingFront Pedestrian BrakingX31 Off-Road Package ($850 value)Hill Descent ControlHeavy-Duty Air FilterDual Exhaust with Premium TipsOff-Road Suspension2-Speed Transfer CaseSkid PlatesX31 Hard BadgeSLT Premium Plus Package ($6,145 value)Chrome Wheel to Wheel Assist StepsSpray-On Pickup Bed Liner with GMC Logo10-Speed Automatic Transmission20" X 9" Polished Aluminum WheelsTrailer Tire Pressure Monitor SystemPreferred 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 GrilleIntegrated 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 PackageSLT Preferred PackagePremium GMC Infotainment System Radio with NavigationWireless ChargingPremium Bose 7-Speaker Sound System Safety and Security The vehicle constantly monitors the roadway in front of the vehicle and identifies and tracks pedestrians on an interior display. If the system determines a likely impact, it will automatically take preventative steps to avoid hitting the pedestrian.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, 10-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, PACIFIC BLUE METALLIC, SEATS, FRONT BUCKET, JET BLACK, PERFORATED LEATHER-APPOINTED FRONT OUTBOARD SEAT TRIM, AUDIO SYSTEM, PREMIUM GMC INFOTAINMENT SYSTEM WITH NAVIGATION AND 8" DIAGONAL COLOR TOUCH-SCREEN, INCLUDES MULTI-T
Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.
In the typical middle range · 50% of 6 similar listings ask more than this car.
How we calculate market value: comparable cars for sale now plus their last listed prices.
Price tracked by AutosXchange since Nov 6, 2026. No price change at this dealership since Nov 6 ($34,799).
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 13); earlier listings at other dealerships are shown by state only. Source: AutosXchange Intel Hub, autos-xchange.com/market.
Same 2020–2022 Sierra 1500 SLT · used · any miles · within 50 miles of St Louis, Missouri. All 6 comparable cars for sale, nearest first.
$2,768 less than this car
Dave Sinclair Buick GMC · St Louis, MO · 0 mi away
$6,068 less than this car
Bob Brockland Buick GMC · Columbia, IL · 10 mi away
$9,599 less than this car
Bommarito Buick GMC · Ellisville, MO · 13 mi away
$1,072 more than this car
Clement Supercenter · Saint Charles, MO · 18 mi away
$720 more than this car
Sapaugh Buick GMC · Herculaneum, MO · 20 mi away
$10,735 more than this car
Sapaugh Buick GMC · Herculaneum, MO · 20 mi away
2021 GMC Sierra 1500 SLT79,674 miles · Dave Sinclair Buick GMC · St Louis, MO · 0 mi away$32,031$2,768 less than this car
2020 GMC Sierra 1500 SLT125,809 miles · Bob Brockland Buick GMC · Columbia, IL · 10 mi away$28,731$6,068 less than this car
2020 GMC Sierra 1500 SLT130,616 miles · Bommarito Buick GMC · Ellisville, MO · 13 mi away$25,200$9,599 less than this car
2020 GMC Sierra 1500 SLT46,046 miles · Clement Supercenter · Saint Charles, MO · 18 mi away$35,871$1,072 more than this car
2020 GMC Sierra 1500 SLT83,848 miles · Sapaugh Buick GMC · Herculaneum, MO · 20 mi away$35,519$720 more than this car
2022 GMC Sierra 1500 SLT32,386 miles · Sapaugh Buick GMC · Herculaneum, MO · 20 mi away$45,534$10,735 more than this carAll years and trims. Nearest first.
Dave Sinclair Buick GMC · St Louis, MO · 0 mi away
Dave Sinclair Buick GMC · St Louis, MO · 0 mi away
Dave Sinclair Buick GMC · St Louis, MO · 0 mi away
Dave Sinclair Buick GMC · St Louis, MO · 0 mi away
Dave Sinclair Buick GMC · St Louis, MO · 0 mi away
Dave Sinclair Buick GMC · St Louis, MO · 0 mi away
Dave Sinclair Buick GMC · St Louis, MO · 0 mi away
Dave Sinclair Buick GMC · St Louis, MO · 0 mi away
2021 GMC Sierra 1500 Denali118,827 miles · Dave Sinclair Buick GMC · St Louis, MO · 0 mi away$35,032
2021 GMC Sierra 3500 HD AT4Dave Sinclair Buick GMC · St Louis, MO · 0 mi away$47,949
2022 GMC Sierra 1500 Limited Denali39,407 miles · Dave Sinclair Buick GMC · St Louis, MO · 0 mi away$39,372
2020 GMC Sierra 1500 Denali85,743 miles · Dave Sinclair Buick GMC · St Louis, MO · 0 mi away$33,152
2024 GMC Sierra 1500 SLE12,513 miles · Dave Sinclair Buick GMC · St Louis, MO · 0 mi away$42,503
2024 GMC Sierra 1500 Denali20,683 miles · Dave Sinclair Buick GMC · St Louis, MO · 0 mi away$54,130
2024 GMC Sierra 1500 Denali94,766 miles · Dave Sinclair Buick GMC · St Louis, MO · 0 mi away$46,001
2024 GMC Sierra 1500 AT425,838 miles · Dave Sinclair Buick GMC · St Louis, MO · 0 mi away$50,585