Dave Sinclair Buick GMC · St Louis, MO

2026 GMC Sierra 2500 HD Denali

5 miles · truck

1 / 26 photos

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026

MakeGMC

ModelSierra 2500 HD

TrimDenali

VIN1GT4UREY0TF313124

Stock numberT261503

Mileage5 miles

BodyPickup

Engine6.6L V8 turbo

Cylinders8

Displacement6.6L

TransmissionAutomatic

Drivetrain4WD

FuelDiesel

ExteriorOnyx Black

InteriorJet Black, Forge Perforated Leather Seat Trim

Towing18500

Vehicle description

Thank you for choosing Dave Sinclair Buick GMC This 2026 GMC Sierra 2500HD Denali, has a Onyx Black exterior and a Jet Black interior. Please call us at (314) 272-4060 and reference stock number T261503 for further details. WHY THIS VEHICLE? Preferred Equipment Group 5SASiriusXM with 360L Trial SubscriptionPower Sliding Rear Window with DefoggerPower Front Passenger Windows with Express Up/downDeep-Tinted GlassKeyless Open and StartRear Wheelhouse LinersPush Button StartRemote Vehicle Starter SystemElectric Rear-Window DefoggerFront Rain-Sensing WipersSpray-On Pickup Bedliner with GMC LogoFloor-Mounted Center ConsoleSignature Chrome Denali GrilleSafety Alert SeatWireless ChargingHeated Driver and Front Outboard Passenger SeatsHeated 2nd Row Outboard Seats120-Volt Bed Mounted Power Outlet120-Volt Instrument Panel Power OutletVentilated Driver and Front Passenger SeatsManual Tilt-Wheel/telescoping Steering Column2-Speed Active Transfer CaseSierra HD Pro SafetyWireless Phone ProjectionProGrade Trailering SystemTrailer Cam Provisions and Trailer Viewing SoftwareLED Smoked Amber Roof Marker Lamps2 Charge/data USB Ports Inside Center Console2 USB Ports2 Charge-Only Rear USB PortsUltrasonic Front and Rear Park AssistOnStar Services CapableLED Cargo Area LightingRear Cross Traffic AlertUniversal Home RemoteSteering Wheel Audio ControlsTrailer Side Blind Zone AlertBose Premium 7-Speaker Sound SystemUnauthorized Entry Theft-Deterrent SystemHD Surround VisionBed View Camera with Two Trailer Camera ProvisionsPolished Exhaust TipX31 Off-Road PackageDenali Reserve Package ($1,835 value)Power SunroofTechnology 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 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE, TRANSMISSION, 10-SPEED AUTOMATIC, GVWR, 11,350 LBS. (5148 KG), REAR AXLE, 3.42 RATIO, WHEELS, 20" (50.8 CM) ULTRA-BRIGHT MACHINED WHEELS, TIRES, LT275/65R20 ALL-TERRAIN, BLACKWALL, ONYX BLACK, 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, DENALI RESERVE PACKAGE, TECHNOLOGY PACKAGE, ENGINE BLOCK HEATER, ALTERNATOR, 220 AMP, EXHAUST BRAKE, SUNROOF, POWER, WINTER GRILLE COVER, LICENSE PLATE KIT, FRONT, INCANDESCENT LIGHTING, MULTICOLOR 15" DIAGONAL HEAD-UP DISPLAY, REAR CAMERA MIRROR Please do not hesitate to contact us with any questions you may have. Our staff is happy to answer any and all inquiries in a timely fashion. We look forward to doing business with you!

Features & options (250)

Adaptive Cruise Control
Bluetooth®
Heated Steering Wheel
Remote Start
4WD/AWD
Android Auto
Apple CarPlay
Keyless Ignition System
Leather Seats
Wi-Fi Hotspot
Auto Dimming Mirror
Emergency Brake Assist
Lane Departure Warning
Sunroof/Moonroof
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 Trial Subscription
Wireless phone projection
For Apple CarPlay and Android Auto
Wi-Fi Hotspot capable
May require additional optional equipment
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
Side Bed Step
Black textured step pads help provide secure footing
Deep-tinted glass
Provides added protection from sun and glare
Rainsense automatic wipers
Spray-on bedliner
Includes GMC logo on all trims except PRO
18" LT275/70R18 all-terrain, blackwall spare tire
Cargo bed LED lighting
Provides light to find cargo in the bed
Smoked Amber LED roof marker lamps
Roof-mounted lamps near the front of the cab
Cab-mounted cargo area lamps
Activated by switch located on center switch bank
Illuminates the cargo bed area
Spare tire carrier lock
Helps keep spare tire secure
Outside power-adjustable vertical trailering mirrors with power folding/extending auto-dimming driver and passenger upper glass
Chrome mirror caps
AT4 and AT4X features high gloss Black mirror caps
Power folding/extending
Lower convex mirrors
Heated upper glass
Integrated turn signal indicators
Puddle lamps
Perimeter lighting
Auxiliary lighting
Extends 3.31-inches
Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
20" LT275/65R20 all-terrain, blackwall tires
Body-color front bumper
20" Ultra Bright machined aluminum wheels with bright chrome inserts
IntelliBeam
Cargo tie-downs
12-fixed rated at 500 lbs. per corner
Chrome beltline moldings
Grille (Signature Chrome Denali grille.)
Animated LED Signature Tail lamps with Stop, turn and Reverse lamps
LED taillamps with LED stop lights and animation
Rear wheelhouse liners
6" Chrome rectangular assist steps (factory installed)
Textured step pads help provide secure footing
Tailgate with EZ Lift assist, power lock & release
Hitch area lighting
Tailgate and bed rail protection caps
GMC MultiPro Tailgate
Power lock and release
CornerStep rear bumper
Located at each end of the rear bumper
Textured step pads to help provide secure footing
LED fog lamps
Body-color rear bumper
With integrated CornerSteps
Chrome door handles
Winter Grille Cover
Power sunroof
Retracts into the roof
Offers tilt and slide features with express-open and -close
Front license plate bracket
Onyx Black
Carpeted floor covering
Color-keyed to match the interior
Rear air vents
Provides cabin comfort for rear occupants
You can always override the feature and take control
120-volt power outlet
3-prong auxiliary household-style outlet
Located on the instrument panel
12-way power front passenger seat
Includes 8-way power front passenger seat
Includes a 4-way power lumbar control
Rear Seat Reminder
Ventilated driver and front passenger seats
Individually controlled
Cooling feature includes both seatbacks and cushions
Seat trim, Forge Perforated Leather
Power sliding rear window with rear defogger
Driver memory
Power windows with driver and front passenger express-up/down
If obstruction is detected, the anti-pinch feature will auto-reverse
Theft-deterrent unauthorized entry system
Helps deter unauthorized entry, helping to protect your vehicle
USB ports
(2) Data/charge ports located inside center console
Keyless Open and Start
Lockout protection helps you avoid locking keys in the vehicle
Power door locks
12.3" diagonal color Driver Information Center
High definition display provides crisp, premium appearance
Assist handles
Front A-pillar mounted for Driver and Passenger
Rear B-pillar mounted
Front bucket seats
(2) Charge ports located on rear of console
Steering-wheel mounted controls
Power windows with driver express-up/down
Dual-zone automatic climate control
Allows individual climate settings for both driver and front passenger
Wireless Charging
Uses induction technology for select portable electronic devices
Convenient charging location
Compass
Located in instrument cluster
Rear carpeted floor mats
Helps protect your interior from road debris and the elements
Denali models feature unique premium tufted carpeting
(2) First row, located on console
Universal Home Remote
3-channel programmable
Inside rearview auto-dimming mirror
Front carpeted floor mats
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)
Power windows with rear express-down
120-volt box-mounted power outlet
Located in the pickup bed
Wrapped steering wheel
Manual tilt and telescoping steering column
Rear window defogger
12-way power driver seat
Includes 8-way power driver seat
Includes 4-way power lumbar
Outside temperature display
Located in infotainment display
Front center console
Heated rear outboard seats
Passengers can manage heat settings with their own controls
Heated driver and front outboard passenger seats
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
4-wheel antilock disc brakes
Heavy-Duty Air Filter
Hill Descent Control
Uses antilock braking to help provide a smooth, controlled descent
Activates by pushing a button below the instrument panel
Off-Road suspension
Brake pad wear indicator
Chrome vertical recovery hooks
Two front frame-mounted
Fully boxed frame
Hydroformed front section
High-strength steel
Push Button Start
Automatic locking rear differential
Pickup bed
Roll-formed high-strength steel
Includes bed assist step
Digital Variable Steering Assist
Skid plates
Help protect the front underbody, oil pan and transfer case
In-Vehicle Trailering App
Checklist
Trailer maintenance reminders
Trailer security alerts
Trailer mileage
Tow/haul reminder
Trailer electrical diagnostics
Four wheel drive
Autotrac 2-speed transfer case with push button controls
4-button control 2WD, Auto, 4WD, 4WD LO
2WD High for most on-road and highway situations
Automatically engages 4WD until traction is regained
Integrated trailer brake controller
Integrated with the antilock brake system (ABS)
Heavy-duty dual batteries with 1460 cold-cranking amps
70 Amp-hr
Maintenance-free with rundown protection and retained accessory power
11,350 lbs. GVWR
220-amp alternator
Emissions, Federal requirements
ProGrade Trailering System
Hitch Guidance with Hitch View
X31 Off-Road Package
Twin-tube Rancho shocks
Trailering Package
Trailer hitch
Trailering hitch platform
Hitch Guidance
Sierra HD Pro Safety
Forward Collision Alert
Following Distance Indicator
Front Pedestrian Braking
Buckle to Drive
Automatic Emergency Braking
Denali Reserve Package
Technology Package
Sunroof
Denali Preferred Equipment Group includes standard equipment
AT4 Preferred Package on AT4
Option/package discount
3 Years OnStar One
Safety Services, Wi-Fi, and In-Vehicle Apps, all connected by OnStar
Info at OnStar.com/plans
LED Daytime Running Lamps
Signature LED Daytime Running Lamps
Trailering Information Label
6 airbags
Dual-stage frontal airbags for driver and front outboard passenger
Head-curtain airbags for outboard seating positions
Seat Belt Adjustable Guide Loops
Front row only
HD Surround Vision
Can help you park or avoid vehicles and objects
Teen Driver
Rear Cross Traffic Alert

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$75,499Dealer asking price · 5 mi

Market value$83,388Market value · based on 15 comparable cars

vs. market Good deal-9.5%Good deal · based on 15 comparable cars

Where this price sits

In the typical middle range · 60% of 15 similar listings ask more than this car.

Market value $83,388

This car$75,499

$75,059lowest$93,335highest

Middle 50% of asking pricesMarket valueThis car

Price vs. market value

−25%Market value+25%

Good deal$7,889 below the market value of $83,388

Price range

$75,059$93,335

4th lowest price of 16 similar listings within 50 milesTick marks the market value · range of 15 similar listings

AutosXchange Insights

Compared with 15 new 2026 GMC Sierra 2500 Denali listings within 50 mi.
Priced $7,889 below the market value of 15 comparable cars.
4th lowest price of 16 similar listings within 50 miles.
About 5 miles per year of age (U.S. average is roughly 12,000–14,000).
Stock # T261503 — 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 ($75,499).

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 15); 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 2500 Denali · new · within 50 miles of St Louis, Missouri. Showing the 12 nearest of 15 comparable cars for sale, nearest first.

2026 GMC Sierra 2500 HD Denali for sale at Dave Sinclair Buick GMC in St Louis, MO

Great deal

26 photos