REAL DEALER INVENTORY · ONE PREMIUM MARKETPLACE
Sell My Car
← All vehicles
Dave Sinclair Buick GMC · St Louis, MO

2021 GMC Sierra 1500 Denali

118,827 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2021
MakeGMC
ModelSierra 1500
TrimDenali
Stock numberT261563A
Mileage118,827 miles
BodyPickup
Engine6.2L V8
Cylinders8
Displacement6.2L
TransmissionAutomatic
Drivetrain4WD
FuelGasoline
MPG15 city / 20 hwy
ExteriorEbony Twilight Metallic
InteriorJet Black, Forge Perforated Leather Seat Trim

Vehicle description

Why BUY from Dave Sinclair Buick GMC? When you choose this Ebony Twilight Metallic 2021 GMC Sierra 1500 Denali with 118,827 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! What this vehicle includes: Driver Alert Package IUltrasonic Front and Rear Park AssistRear Cross Traffic AlertLane Change Alert with Side Blind Zone AlertDriver Alert Package II ($1,045 value)Adaptive Cruise ControlIntelliBeam Automatic High Beam On/offFollowing Distance IndicatorForward Collision AlertLane Keep Assist with Lane Departure WarningAutomatic Emergency BrakingFront Pedestrian BrakingPreferred Equipment Group 5SAPower Sliding Rear Window with Rear DefoggerGMC 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 SystemChrome Wheel to Wheel Assist StepsElectric Rear-Window DefoggerSpray-On Pickup Bed Liner with Denali LogoCompassFloor-Mounted Center ConsoleAuto-Locking Rear DifferentialSignature Denali GrilleSafety Alert SeatPremium GMC Infotainment System Radio with NavigationHill Descent ControlIntegrated Trailer Brake ControllerHeavy-Duty Air FilterWireless ChargingHeated Driver and Front Outboard Passenger Seating120-Volt Instrument Panel Power OutletAuxiliary External Transmission Oil Cooler12-Volt Rear Auxiliary Power OutletVentilated Driver and Front Passenger Seats170 Amp Alternator2 USB Ports2 USB Ports (1st Row)Electrical Lock Control Steering ColumnManual Tilt-Wheel and Telescoping Steering Column2-Speed Transfer CaseDriver Alert Package IProGrade Trailering System275/60R20SL AT BW Tires20" X 9" Multi-Dimensional Polished Aluminum WheelsOnStar and GMC Connected Services CapableLED Cargo Area LightingUniversal Home RemoteSteering Wheel Audio ControlsRear Dual USB Charging-Only PortsTheft Deterrent System (unauthorized Entry)HD Rear Vision CameraChrome Recovery Hooks4G LTE Wi-Fi Hotspot CapableAdaptive Ride Control SuspensionTrailering Package 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. Android Auto/Apple CarPlay smart device wireless mirroring Apple CarPlay/Android Auto smart device wireless mirroring Mobile devices can wirelessly connect to the internet through the vehicle's private mobile network. EMISSIONS, FEDERAL REQUIREMENTS, ENGINE, 6.2L 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) MULTI-DIMENSIONAL POLISHED ALUMINUM, TIRES, 275/60R20SL ALL-TERRAIN, BLACKWALL, SEATS, FRONT BUCKET, JET BLACK, FORGE PERFORATED LEATHER SEAT TRIM, AUDIO SYSTEM, PREMIUM GMC INFOTAINMENT SYSTEM WITH NAVIGATION AND 8" DIAGONAL COLOR TOUCH-SCREEN, INCLUDES MULTI-TOUCH DISPLAY, AM/FM STEREO, DRIVER ALERT PACKAGE II, SUNROOF, POWER, INTELLIBEAM, AUTOMATIC HIGH BEAM ON/OFF, LICENSE PLATE KIT, FRONT, SEATS, HEATED SECOND ROW OUTBOARD SEATS, PREMIUM FLOOR LINERS WITH REMOVABLE CARPET INSERT, FRONT, PREMIUM FLOOR LINERS WITH REMOVABLE CARPET INSERT, REAR, ADAPTIVE CRUISE CONTROL, AUTOMATIC EMERGENCY BRAKING, FRONT PEDESTRIAN BRAKING, FOLLOWING DISTANCE INDICATOR, FORWARD COLLISION ALERT, LANE KEEP ASSIST, NOT EQUIPPED WITH AUTOMATIC STOP/START, SEE DEALER FOR DETAILS, NOT EQUIPPED

Features & options (20)

  • Adaptive Cruise Control
  • Bluetooth®
  • 4WD/AWD
  • Android Auto
  • Apple CarPlay
  • Leather Seats
  • Automatic High Beams
  • Lane Departure Warning
  • Lane Keep Assist
  • Sunroof/Moonroof
  • Forward Collision Warning
  • DriveType: Four Wheel Drive
  • City: 15 MPG
  • Hwy: 20 MPG
  • Combined: 16 MPG
  • Fuel System: Direct Injection
  • Fuel Tank Capacity: 24 gal
  • Fuel Type: Gasoline Fuel
  • Horse Power: 420
  • 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$35,032Dealer asking price · 118,827 mi
Market value$37,321Market value · based on 5 comparable cars
vs. market Good deal-6.1%Good deal · based on 5 comparable cars

Where this price sits

In the typical middle range · 60% of 5 similar listings ask more than this car.

$33,152lowest$39,949highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

-6.1%
−25%Market value+25%
Good deal$2,289 below the market value of $37,321

Price range

$35,032
$33,152$39,949
3rd lowest price of 6 similar listings within 50 milesTick marks the market value · range of 5 similar listings

AutosXchange Insights

  • Compared with 5 used 2020–2021 GMC Sierra 1500 Denali listings within 50 mi.
  • Priced $2,289 below the market value of 5 comparable cars.
  • 3rd lowest price of 6 similar listings within 50 miles.
  • Has about 54,000 more miles than similar listings.
  • About 19,805 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # T261563A — 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 ($35,032).

$34.8k$34.9k$35.0k$35.1k$35.2k$35.3kNov 6Nov 8Nov 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 2020–2021 Sierra 1500 Denali · used · any miles · within 50 miles of St Louis, Missouri. All 5 comparable cars for sale, nearest first.

More GMC Sierra 1500 near St Louis

All years and trims. Nearest first.