Dave Sinclair Buick GMC · St Louis, MO

2026 GMC Sierra 1500 SLT

3 miles · truck

1 / 25 photos

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026

MakeGMC

ModelSierra 1500

TrimSLT

VIN3GTUUDED3TG430128

Stock numberT261770

Mileage3 miles

BodyPickup

Engine5.3L 8-cyl

Cylinders8

Displacement5.3L

TransmissionAutomatic

Drivetrain4WD

FuelGasoline

MPG15 city / 18 hwy

ExteriorSummit White

Towing9200

Vehicle description

Thank you for choosing Dave Sinclair Buick GMC This 2026 GMC Sierra 1500 SLT, has a Summit White exterior and a Jet Black interior. Please call us at (314) 272-4060 and reference stock number T261770 for further details. WHY THIS VEHICLE? SLT Convenience PackageFront Bucket SeatsFloor-Mounted Center ConsoleWireless ChargingVentilated Driver and Front Passenger SeatsPower Rake and Telescoping Steering ColumnPremium Bose 7-Speaker Sound SystemSLT Premium Plus Package ($5,335 value)Chrome Wheel to Wheel Assist StepsSpray-On Pickup Bedliner with GMC Logo20" Polished Aluminum WheelsProGrade Trailering SystemHitch ViewIn-Vehicle Trailering System AppPreferred Equipment Group 4SAPower Front Passenger Windows with Express Up/downPower Rear Windows with Express DownDeep-Tinted GlassPower Door LocksKeyless Open and StartPower Front Windows with Driver Express Up/downRear Wheelhouse LinersColor-Keyed Carpeting Floor CoveringPush Button StartRemote Vehicle Starter SystemElectric Rear-Window DefoggerFront Rain-Sensing WipersAuto-Locking Rear DifferentialChrome Header and Chrome Grille Insert BarsIntegrated Trailer Brake Controller120-Volt Interior Power OutletAuxiliary External Transmission Oil Cooler170 Amp Alternator5.3L EcoTec3 V8 EngineManual Tilt-Wheel and Telescoping Steering ColumnSingle Speed Transfer CaseGMC Pro SafetyPerimeter LightingSiriusXM with 360L Trial Subscription2 type-C Charge-Only Rear USB Ports2 Charge/data USB PortsOnStar Services CapableLED Cargo Area LightingSteering Wheel Audio Controls6-Speaker Audio System FeatureTheft Deterrent System (unauthorized Entry)HD Rear Vision CameraFront Frame-Mounted Black Recovery HooksWi-Fi Hotspot CapableTrailering PackageSLT Preferred PackagePower Sliding Rear Window with Rear DefoggerHeated 2nd Row Outboard SeatsAdaptive Cruise ControlUniversal Home RemoteSierra Safety Plus PackageSafety Alert SeatTrailer Camera ProvisionsUltrasonic Front and Rear Park AssistRear Cross Traffic BrakingRear Pedestrian DetectionTrailer Side Blind Zone AlertHD Surround Vision 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. Rear camera - Watching your back! The rear camera helps you see obstacles and hazards you otherwise couldn't by showing enhanced images of what is behind you. The rear camera is an extra set of eyes that's both convenient and safe.Technology and Telematics Apple CarPlay/Android Auto smart device wireless mirroring 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, 10-SPEED AUTOMATIC WITH ELECTRONIC PRECISION SHIFT, ELECTRONICALLY CONTROLLED, GVWR, 7100 LBS. (3221 KG), REAR AXLE, 3.23 RATIO, WHEELS, 20" POLISHED ALUMINUM WHEELS, TIRES, 275/60R20 ALL-SEASON, BLACKWALL, TIRE, SPARE 255/80R17SL ALL-SEASON, BLACKWALL, SUMMIT WHITE, SEATS, FRONT BUCKET, JET BLACK, PERFORATED LEATHER-APPOINTED FRONT OUTBOARD SEAT TRIM, AUDIO SYSTEM, 13.4" DIAGONAL PREMIUM GMC INFOTAINMENT SYSTEM WITH GOOGLE BUILT IN APPS SUCH AS NAVIGATION AND VOICE A

Features & options (250)

Adaptive Cruise Control
Bluetooth®
Heated Steering Wheel
Remote Start
4WD/AWD
Android Auto
Apple CarPlay
Keyless Entry
Keyless Ignition System
Leather Seats
Wi-Fi Hotspot
Auto Dimming Mirror
Emergency Brake Assist
Lane Departure Warning
Lane Keep Assist
Wireless Phone Charging
Blind Spot Monitor
Forward Collision Warning
Navigation System
Parking Assistance
Rear View Camera
Tow Hitch/Tow Package
Automatic Climate Control
Entertainment System
Premium Sound System
SiriusXM Trial Subscription
Wireless Apple CarPlay/Wireless Android Auto capability for compatible phones
Can use Apple CarPlay and Android Auto wirelessly
Wi-Fi Hotspot capable
May require additional optional equipment
Steering-wheel mounted controls
13.4" diagonal GMC Premium Infotainment System with Google built-in
Bluetooth® streaming audio for music and select phones
Wireless Apple CarPlay capability for compatible phones
Wireless Android Auto capability for compatible phones
Customize and manage entertainment and vehicle feature setting
Voice-activated technology for phone
SiriusXM with 360L Trial Subscription
Place and receive hands-free phone calls
Chrome front bumper
Deep-tinted glass
Provides added protection from sun and glare
Grille (Chrome header and chrome grille insert bars with gloss black accents.)
Rainsense automatic wipers
17" full-size spare steel wheel with Black finish
LED reflector (high intensity) headlamps with Fade-on/ Fade-off animation, LED turn signals and Daytime Running Lamps
Cargo bed LED lighting
Provides light to find cargo in the bed
Rear pillar lamps
Perimeter Lighting
Chrome rear bumper
With integrated CornerSteps
Spare tire carrier lock
Helps keep spare tire secure
Utilizes the same key as the door and ignition
IntelliBeam
Heated, power, driver-side auto-dimming, power-folding outside mirrors
Puddle lamps
Memory setting
Taillamps, LED LED signature taillight with LED stop, turn & reverse and Fade-on/Fade-off animation
Cab-mounted cargo area lamps
With switch in switch bank left of the steering wheel
Illuminates the cargo bed area
Chrome mirror caps
GMC MultiPro Tailgate
Full chrome surround window moldings
Rear wheelhouse liners
Tailgate with EZ Lift assist, power lock & release
Hitch area lighting
Tailgate and bed rail protection caps
CornerStep rear bumper
Located at each end of the rear bumper
Textured step pads to help provide secure footing
LED fog lamps
Help minimize glare in adverse driving conditions
Chrome door handles
17" 255/80R17SL all-season, blackwall spare tire
6" chrome rectangular full length assist steps
Textured step pads help provide secure footing
Extends from wheel well to wheel well
Power sliding rear window with rear defogger
20" Polished aluminum wheels with technical gray painted accents
20" 275/60R20 all-season, blackwall tires
Summit White
Front license plate bracket
Spray-on bedliner
Includes logo on all trims except PRO
Carpeted floor covering
Color-keyed to match the interior
13.4" diagonal multicolor reconfigurable Infotainment screen
Rear air vents
Provides cabin comfort for rear occupants
120-volt box-mounted power outlet
3-prong auxiliary household-style outlet
Located in the pickup bed
Steering column lock, electrical
USB ports
(2) Data/charge ports located on instrument panel
Rear carpeted floor mats
Helps protect your interior from road debris and the elements
Denali model has unique premium carpet
Denali Ultimate model has premium floor mats
(2) Charge ports located on rear of console
Driver memory
Power windows
Front passenger with express-up/down
120-volt power outlet
Located on the instrument panel
Theft-deterrent unauthorized entry system
Helps deter unauthorized entry, helping to protect your vehicle
Keyless Open and Start
Power door locks
Programmable
10-way power driver seat with power lumbar
Moves the seat forward and back, and up and down
Tilt the seat cushion and seatbacks
12.3" diagonal color Driver Information Center
Assist handles
Front A-pillar mounted for Driver and Passenger
Rear B-pillar mounted
Driver with express-up/down
Dual-zone automatic climate control
Allows individual climate settings for both driver and front passenger
Up-level rear seat with storage package
60/40 Full-length folding bench seat
Seatback storage on left and right side
Center fold out armrest with 2 cupholders
Underseat storage (full cab width)
Compass
Located in instrument cluster
10-way power front passenger seat
Forward and back
Up and down
Tilt seat cushion back and upright
Recline seatback up and down
Includes 2-way power lumbar
Inside rearview auto-dimming mirror
Front carpeted floor mats
Denali Ultimate model has premium floor mats with corner applique
Power windows with rear express-down
Wrapped steering wheel
Rear window defogger
Outside temperature display
Located in infotainment display
Heated driver and front outboard passenger seats
Individually controlled
Seat trim, Perforated leather-appointed front outboard
Front center console
You can always override the feature and take control
Front bucket seats
Includes center console
Universal Home Remote
3-channel programmable
Power tilt and telescoping steering column
Use the driver memory to save and recall memory settings
Provides extra comfort when entering or exiting the vehicle
Jet Black, Perforated leather-appointed front outboard seat trim
Ventilated driver and front passenger seats
Cooling feature includes both seatbacks and cushions
In-Vehicle Trailering App
Checklist
Trailer light sequencing
Trailer maintenance reminders
Trailer security alerts
Trailer mileage
Tow/haul reminder
Trailer electrical diagnostics
Heated rear outboard seats
Wireless Charging
Uses induction technology for portable electronic devices
Convenient charging location at the front of the center console
Device may require optional case for phones that are compatible
Cargo tie-downs (12)
7,100 lbs. GVWR
Pickup bed
Roll-formed high-strength steel
4-wheel antilock disc brakes
3.23 rear axle ratio
Heavy-duty 730 cold-cranking amps battery
80 Amp-hr
Maintenance-free with rundown protection and retained accessory power
Brake pad wear indicator
Single-speed Autotrac Transfer Case
3 Transfer Case modes
2WD HI mode
Vehicle operates in 2-wheel drive
Suitable for routine driving on all road surfaces
4WD Auto mode
4WD HI mode
Terrain mode
Push Button Start
Automatic locking rear differential
Electric Power Steering
Electric, rack-mounted with variable assist
Steering assist is greater during low-speed maneuvers, such as parking
170-amp alternator
Aluminized stainless-steel muffler and tailpipe
Capless fuel fill
Fully boxed frame
Hydroformed front section
High-strength steel
Single-outlet exhaust
Black vertical recovery hooks
Two front frame-mounted
Four wheel drive
Integrated trailer brake controller
Integrated with the antilock brake system (ABS)
High-Capacity Suspension Package
Emissions, Federal requirements
GMC Pro Safety
Forward Collision Alert
Following Distance Indicator
Front Pedestrian Braking
Lane Keep Assist with Lane Departure Warning
Automatic Emergency Braking
Buckle to Drive
Safety Alert Seat on AT4, AT4X, Denali and Denali Ultimate
Trailering Package
Trailer hitch
Trailering hitch platform
Includes a 2" receiver hitch, 4-pin and 7-pin connectors
Hitch Guidance
SLT Preferred Equipment Group includes standard equipment
SLT Premium Plus Package
SLT Convenience Package
SLT Preferred Package
Sierra Safety Plus Package
ProGrade Trailering System
20" Polished aluminum wheels
6" Chrome assist steps
Spray-on bedliner with GMC Logo
Bucket seats
Center console
Heated and ventilated front seats
USB ports in center console
Bose Premium Sound System with Richbass woofer
Power Rake/ Telescoping steering column
Rear Cross Traffic Braking
Rear Pedestrian Alert
Trailer Camera Provisions
Trailer Side Blind Zone Alert
HD Surround Vision
Perimeter lighting on SLE and Elevation
Recovery hooks on 2WD SLE models
High gloss Black mirror caps on Elevation
Front and Rear Park Assist
Safety Alert Seat on SLT
Hitch Guidance with Hitch View
Power rear sliding window
Option/package discount

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$52,739Dealer asking price · 3 mi

Market value$56,372Market value · based on 48 comparable cars

vs. market-6.4%Not rated · prices vary widely

Where this price sits

Among the lowest-priced · 94% of 48 similar listings ask more than this car.

Market value $56,372

This car$52,739

$51,393lowest$71,660highest

Middle 50% of asking pricesMarket valueThis car

Price vs. market value

−25%Market value+25%

Not rated · comparable prices vary too widely$3,633 below the market value of $56,372

Price range

$51,393$71,660

4th lowest price of 49 similar listings within 50 milesTick marks the market value · range of 48 similar listings

AutosXchange Insights

Compared with 48 new 2026 GMC Sierra 1500 SLT listings within 50 mi.
Priced $3,633 below the market value of 48 comparable cars.
4th lowest price of 49 similar listings within 50 miles.
About 3 miles per year of age (U.S. average is roughly 12,000–14,000).
Stock # T261770 — 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 ($52,739).

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 2026 Sierra 1500 SLT · new · within 50 miles of St Louis, Missouri. Showing the 12 nearest of 48 comparable cars for sale, nearest first.

25 photos