Dave Sinclair Buick GMC · St Louis, MO

2026 GMC Sierra 1500 Denali

4 miles · truck

1 / 25 photos

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026

MakeGMC

ModelSierra 1500

TrimDenali

VIN3GTPHGE89TG433394

Stock numberT261701

Mileage4 miles

BodyPickup

Engine3.0L 6-cyl turbo

Displacement3.0L

TransmissionAutomatic

Drivetrain4x2

FuelDiesel

MPG23 city / 28 hwy

ExteriorSterling Metallic

InteriorJet Black, Forge Perforated Leather Seat Trim

Towing9100

Vehicle description

Thank you for choosing Dave Sinclair Buick GMC This 2026 GMC Sierra 1500 Denali, has a Sterling Metallic exterior and a Jet Black interior. Please call us at (314) 272-4060 and reference stock number T261701 for further details. WHY THIS VEHICLE? Technology Package ($1,275 value)Rear Camera MirrorMulticolor 15" Diagonal Head-Up DisplayPreferred Equipment Group 5SAPower Sliding Rear Window with Rear DefoggerPower 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 SystemChrome Wheel to Wheel Assist StepsElectric Rear-Window DefoggerFront Rain-Sensing WipersSpray-On Pickup Bedliner with GMC LogoFloor-Mounted Center ConsoleAuto-Locking Rear DifferentialChrome Header with Signature Denali Chrome GrilleIntegrated Trailer Brake ControllerHeavy-Duty Air FilterWireless ChargingHeated Driver and Front Outboard Passenger SeatingHeated 2nd Row Outboard Seats120-Volt Interior Power OutletAuxiliary External Transmission Oil CoolerVentilated Driver and Front Passenger Seats170 Amp AlternatorPower Rake and Telescoping Steering ColumnGMC Pro SafetyHitch View20" X 9" Multi-Dimensional Polished Aluminum WheelsTrailer Camera ProvisionsPerimeter LightingSiriusXM with 360L Trial Subscription2 Charge/data USB Ports Inside Center Console2 USB Ports2 type-C Charge-Only Rear USB PortsUltrasonic Front and Rear Park AssistOnStar Services CapableIn-Vehicle Trailering System AppLED Cargo Area LightingRear Cross Traffic BrakingUniversal Home RemoteSteering Wheel Audio ControlsRear Pedestrian DetectionTrailer Side Blind Zone AlertPremium Bose 7-Speaker Sound SystemTheft Deterrent System (unauthorized Entry)HD Surround VisionBed View CameraChrome Recovery HooksWi-Fi Hotspot CapableDenali Premium Suspension with Adaptive Ride ControlTrailering Package 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, DURAMAX 3.0L TURBO-DIESEL I6, TRANSMISSION, 10-SPEED AUTOMATIC WITH ELECTRONIC PRECISION SHIFT, ELECTRONICALLY CONTROLLED, GVWR, 7000 LBS. (3175 KG), REAR AXLE, 3.23 RATIO, WHEELS, 20" X 9" (50.8 CM X 22.9 CM) MULTI-DIMENSIONAL POLISHED ALUMINUM, TIRES, 275/60R20 ALL-SEASON, BLACKWALL, STERLING METALLIC, SEATS, FRONT BUCKET, JET BLACK, FORGE PERFORATED LEATHER SEAT TRIM, AUDIO SYSTEM, 13.4" DIAGONAL PREMIUM GMC INFOTAINMENT SYSTEM WITH GOOGLE BUILT IN APPS SUCH AS NAVIGATION AND VOICE ASSISTANCE, INCLUDES COLOR TOUCH-SCREEN, MULTI-TOUCH DISPLAY, AM/FM STEREO,

Features & options (250)

Adaptive Cruise Control
Bluetooth®
Heated Steering Wheel
Remote Start
Android Auto
Apple CarPlay
Keyless Entry
Leather Seats
Wi-Fi Hotspot
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
Turbo Charged Engine
Premium Sound System
SiriusXM with 360L Trial Subscription
Wireless Apple CarPlay/Wireless Android Auto capability for compatible phones
Can use Apple CarPlay and Android Auto wirelessly
Place and receive hands-free phone calls
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
Wi-Fi Hotspot capable
May require additional optional equipment
Steering-wheel mounted controls
SiriusXM Trial Subscription
Perimeter Lighting
GMC MultiPro Tailgate
Spare tire carrier lock
Helps keep spare tire secure
Utilizes the same key as the door and ignition
Rainsense automatic wipers
Cab-mounted cargo area lamps
With switch in switch bank left of the steering wheel
Illuminates the cargo bed area
Heated, power, driver-side auto-dimming, power-folding outside mirrors
Puddle lamps
Memory setting
Body-color rear bumper
Spray-on bedliner
Includes logo on all trims except PRO
Full chrome surround window moldings
Cargo bed LED lighting
Provides light to find cargo in the bed
Rear pillar lamps
Chrome mirror caps
17" full-size spare steel wheel with Black finish
Rear wheelhouse liners
Grille (Signature Denali grille Chrome header with Signature Chrome Denali Grille.)
LED fog lamps
Help minimize glare in adverse driving conditions
17" 255/80R17SL all-season, blackwall spare tire
Tailgate with EZ Lift assist, power lock & release
Hitch area lighting
CornerStep rear bumper
Located at each end of the rear bumper
Textured step pads to help provide secure footing
20" multi-dimensional polished aluminum wheels
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
Deep-tinted glass
Provides added protection from sun and glare
LED projectors with Fade-on/ Fade-off animation, LED turn signals and Daytime Running Lamps
20" 275/60R20 all-season, blackwall tires
Body-color front bumper
Taillamps, LED LED signature taillight with LED stop, turn & reverse and Fade-on/Fade-off animation
IntelliBeam
Chrome door handles
Tailgate and bed rail protection caps
Front license plate bracket
Sterling Metallic
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
Heated rear outboard seats
USB ports
(2) First row, located on console
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
12.3" diagonal color Driver Information Center
Keyless Open and Start
In-Vehicle Trailering App
Checklist
Trailer light sequencing
Trailer maintenance reminders
Trailer security alerts
Trailer mileage
Tow/haul reminder
Trailer electrical diagnostics
12-way power driver seat
Includes 4-way power lumbar
Front center console
120-volt box-mounted power outlet
3-prong auxiliary household-style outlet
Located in the pickup bed
Rear window defogger
Power door locks
Programmable
Power windows with rear express-down
Rear air vents
Provides cabin comfort for rear occupants
Carpeted floor covering
Color-keyed to match the interior
Driver memory
Front 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 with corner applique
Assist handles
Front A-pillar mounted for Driver and Passenger
Rear B-pillar mounted
Wrapped steering wheel
Front bucket seats
Includes center console
Heated driver and front outboard passenger seats
Individually controlled
Rear carpeted floor mats
Denali Ultimate model has premium floor mats
13.4" diagonal multicolor reconfigurable Infotainment screen
Seat trim, Forge perforated leather front
Outside temperature display
Located in infotainment display
Theft-deterrent unauthorized entry system
Helps deter unauthorized entry, helping to protect your vehicle
You can always override the feature and take control
Ventilated driver and front passenger seats
Cooling feature includes both seatbacks and cushions
Power windows
Front passenger with express-up/down
Dual-zone automatic climate control
Allows individual climate settings for both driver and front passenger
Steering column lock, electrical
(2) Data/charge ports located inside center console
Compass
Located in instrument cluster
120-volt power outlet
Located on the instrument panel
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)
(2) Charge ports located on rear of console
Universal Home Remote
3-channel programmable
12-way power passenger seat
Driver with express-up/down
Head-Up Display
Multi-color 15" diagonal Head-Up Display
Adjustable vertical position and brightness of the display
Rear Camera Mirror
The feature also allows brightness, vertical tilt and zoom adjustments
Jet Black, Forge perforated leather seat trim
Automatic locking rear differential
Capless fuel fill
Dual-outlet exhaust
Integrated into rear bumper
Aluminized stainless-steel muffler and tailpipes
Chrome vertical recovery hooks
Two front frame-mounted
Electric Power Steering
Electric, rack-mounted with variable assist
Steering assist is greater during low-speed maneuvers, such as parking
Heavy-duty 730 cold-cranking amps battery
80 Amp-hr
Maintenance-free with rundown protection and retained accessory power
Brake pad wear indicator
Rear wheel drive
4-wheel antilock disc brakes
Fully boxed frame
Hydroformed front section
High-strength steel
Integrated trailer brake controller
Integrated with the antilock brake system (ABS)
3.23 rear axle ratio
Cargo tie-downs (12)
Aluminized stainless-steel muffler and tailpipe
Emissions, Federal requirements
Heavy-duty 850 cold-cranking amps battery
95 Amp-hr
7,000 lbs. GVWR
220-amp alternator
Denali Preferred Equipment Group includes standard equipment
Technology Package
Bed View Camera on AT4
LED Daytime Running Lamps
Daytime Running Lamps automatically illuminate signature lighting
Rear Seat Reminder
Following Distance Indicator
Designed to help you maintain a safe following distance
6 airbags
Dual-stage frontal airbags for driver and front outboard passenger
Head-curtain airbags for outboard seating positions
Rear Seat Belt Indicator
Front and Rear Park Assist
These can help you park and avoid collisions
Bed View Camera
Includes 2 Trailer Camera Provisions
Hitch View
Shows a close-up view of the trailer hitch
Tire Pressure Monitoring System with Tire Fill Alert
Rear Cross Traffic Braking
Forward Collision Alert
OnStar services capable
Seat Belt Adjustable Guide Loops
Front row only
Inside/Rear Trailer Camera Input
Includes trailer viewing software
Buckle to Drive
Lane Keep Assist with Lane Departure Warning
You may receive additional Lane Departure Warning alerts if needed
Safety Alert Seat
You can also switch to beeping crash avoidance alerts
HD Surround Vision
Can help you park or avoid vehicles and objects
Trailer Side Blind Zone Alert
Hitch Guidance
Can help you line up the hitch to your trailer
Enhanced Automatic Emergency Braking
3 Years OnStar One
Safety Services, Wi-Fi, and In-Vehicle Apps, all connected by OnStar
Info at OnStar.com/plans
Rear Pedestrian Alert
Limited nighttime and low visibility performance
OnStar Basics
Drive confidently with core OnStar services including
Remote commands
Built-in voice assistance
Real-time traffic and navigation
Automatic Crash Response to help if you're in need
Front Pedestrian Braking
DriveType: Rear Wheel Drive
City: 23 MPG
Hwy: 28 MPG
Combined: 25 MPG

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

AutosXchange Intel

Vehicle price analysis

Live listings · nationwide

Asking price$57,254Dealer asking price · 4 mi

Market value$64,102Market value · based on 64 comparable cars

vs. market-10.7%Not rated · prices vary widely

Where this price sits

Among the lowest-priced · 95% of 64 similar listings ask more than this car.

Market value $64,102

This car$57,254

$56,830lowest$78,640highest

Middle 50% of asking pricesMarket valueThis car

Price vs. market value

−25%Market value+25%

Not rated · comparable prices vary too widely$6,848 below the market value of $64,102

Price range

$56,830$78,640

2nd lowest price of 65 similar listings nationwideTick marks the market value · range of 64 similar listings

AutosXchange Insights

Compared with 64 new 2026 GMC Sierra 1500 Denali listings nationwide.
Priced $6,848 below the market value of 64 comparable cars.
2nd lowest price of 65 similar listings nationwide.
About 4 miles per year of age (U.S. average is roughly 12,000–14,000).
Stock # T261701 — 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 ($57,254).0 price changes at this dealership: $57,254 → $57,254.

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 11); 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 Denali · new · nationwide. Showing the 12 nearest of 64 comparable cars for sale, nearest first.

25 photos