Dave Sinclair Buick GMC · St Louis, MO

2026 GMC Sierra 2500 HD Denali Ultimate

108 miles · truck

1 / 26 photos

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026

MakeGMC

ModelSierra 2500 HD

TrimDenali Ultimate

VIN1GT4UXEYXTF337631

Stock numberLT261958

Mileage108 miles

BodyPickup

Engine6.6L V8 turbo

Cylinders8

Displacement6.6L

TransmissionAutomatic

Drivetrain4WD

FuelDiesel

ExteriorGlacier White Tricoat

InteriorAlpine Umber, Full Grain Leather Seat Trim

Towing20000

Vehicle description

Thank you for choosing Dave Sinclair Buick GMC This 2026 GMC Sierra 2500HD Denali Ultimate, has a Glacier White Tricoat exterior and a Alpine Umber interior. Please call us at (314) 272-4060 and reference stock number LT261958 for further details. WHY THIS VEHICLE? Max Trailering Package ($2,085 value)11,750 lbs (5,330 Kg) GVWRGooseneck/5th Wheel Prep PackagePreferred Equipment Group 5SBSiriusXM with 360L Trial SubscriptionPower Sliding Rear Window with DefoggerPower Front Passenger Windows with Express Up/downDeep-Tinted GlassKeyless Open and StartWHEELHOUSE LINERS, REARPush Button StartRemote Vehicle Starter SystemElectric Rear-Window DefoggerWIPERS, FRONT RAIN-SENSINGPower SunroofBEDLINER, SPRAY-ONTechnology PackageFloor-Mounted Center ConsoleSignature Denali Ultimate Grille in Vadar ChromeSafety 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 SeatsSTEERING COLUMN, MANUAL TILT AND TELESCOPING2-Speed Active Transfer CaseSierra HD Pro SafetyWireless Phone ProjectionProGrade Trailering SystemTrailer Tire Pressure Monitor SensorsTrailer Cam Provisions and Trailer Viewing SoftwareLED 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 Series 12-Speaker SystemUnauthorized Entry Theft-Deterrent SystemHD Surround VisionBED VIEW CAMERAX31 Off-Road Package Safety and Security The vehicle is equipped with a system that senses, and then prepares, the vehicle and/or occupants, for an impending forward collision. 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. The vehicle is equipped with a camera that displays an image of the area behind the vehicle on an interior display.Technology and Telematics 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, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE, TRANSMISSION, 10-SPEED AUTOMATIC, GVWR, 11,750 LBS. (5330 KG), REAR AXLE, 3.42 RATIO, WHEELS, 20" (50.8 CM) ULTRA-BRIGHT MACHINED ALUMINUM WHEELS, TIRES, LT275/65R20 ALL-TERRAIN, BLACKWALL, GLACIER WHITE TRICOAT, SEATS, FRONT BUCKET, ALPINE UMBER, FULL GRAIN LEATHER SEAT TRIM, AUDIO SYSTEM, 13.4" DIAGONAL PREMIUM GMC INFOTAINMENT SYSTEM WITH GOOGLE BUILT IN APPS SUCH AS NAVIGATION AND VOICE ASSISTANCE, MAX TRAILERING PACKAGE, GOOSENECK / 5TH WHEEL PREP PACKAGE -- HITCH PLATFORM TO ACCEPT GOOSENECK OR 5TH WHEEL HITCH., LICENSE PLATE KIT, FRONT, INCANDESCENT LIGHTING 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
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
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
MultiPro Audio System by Kicker
Bluetooth® compatibility for wireless playback
3.5mm and USB inputs for audio playbacks
A custom ABS baffle with full gasket sealing
A weatherproof amplifier hidden in the tailgate
Place and receive hands-free phone calls
Side Bed Step
Black textured step pads help provide secure footing
Power sunroof
Retracts into the roof
Offers tilt and slide features with express-open and -close
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
Winter Grille Cover
20" Ultra Bright machined aluminum wheels with gloss Black inserts
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
Grille (Signature Denali Ultimate grille in Vadar chrome with High Gloss Black surround.)
Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
20" LT275/65R20 all-terrain, blackwall tires
Body-color front bumper
IntelliBeam
Cargo tie-downs
12-fixed rated at 500 lbs. per corner
Chrome beltline moldings
Power-retractable assist steps with LED perimeter lighting
Textured step pads help provide secure footing
Retracts when not in use
Deploy Running Board mode for car wash cleaning
LED perimeter lighting
Bright accent strip
Animated LED Signature Tail lamps with Stop, turn and Reverse lamps
LED taillamps with LED stop lights and animation
Rear wheelhouse liners
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
Front license plate bracket
Glacier White Tricoat
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
Leather-wrapped steering wheel
Soft, supple leather trim adds comfort to your drive
Rear Seat Reminder
Ventilated driver and front passenger seats
Individually controlled
Cooling feature includes both seatbacks and cushions
Power sliding rear window with rear defogger
Rear Camera Mirror
The feature also allows brightness, vertical tilt and zoom adjustments
Driver memory
Power windows with driver and front passenger express-up/down
If obstruction is detected, the anti-pinch feature will auto-reverse
Head-Up Display
Multi-color 15" diagonal Head-Up Display
Adjustable vertical position and brightness of the display
Theft-deterrent unauthorized entry system
Helps deter unauthorized entry, helping to protect your vehicle
Seat trim, Full Grain Leather
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
16-way power passenger seat with power lumbar and massage
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
16-way power driver seat with power lumbar and massage
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
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
Manual tilt and telescoping steering column
Rear window defogger
Outside temperature display
Located in infotainment display
Front carpeted floor mats
Front center console
Heated rear outboard seats
Passengers can manage heat settings with their own controls
Heated driver and front outboard passenger seats
Alpine Umber, Full Grain 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
Heavy-duty dual batteries with 1460 cold-cranking amps
70 Amp-hr
Maintenance-free with rundown protection and retained accessory power
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
220-amp alternator
Integrated trailer brake controller
Integrated with the antilock brake system (ABS)
11,750 lbs. GVWR
Emissions, Federal requirements
Gooseneck / 5th Wheel Prep Package
Hitch platform to accept Gooseneck or 5th wheel hitch
Box mounted 7-pin trailer harness
ProGrade Trailering System
Hitch Guidance with Hitch View
X31 Off-Road Package
Twin-tube Rancho shocks
Technology Package
AT4 Preferred Package on AT4
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
Max Trailering Package
3500 HD Frame
3500 HD Leaf Springs
12" Rear axle
3500 HD Shock Package
Gooseneck / 5th Wheel Prep provisions
Bed stamped holes with caps installed
Denali Ultimate Preferred Equipment Group includes standard equipment
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

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$122,683Dealer asking price · 108 mi

Market value$97,915Market value · based on 17 comparable cars

vs. market High price+25.3%High price · based on 17 comparable cars

Where this price sits

Among the highest-priced · 0% of 17 similar listings ask more than this car.

Market value $97,915

This car$122,683

$86,315lowest$122,683highest

Middle 50% of asking pricesMarket valueThis car

Price vs. market value

−25%Market value+25%

High price$24,768 above the market value of $97,915

Price range

$86,315$122,683

18th lowest price of 18 similar listings within 50 milesTick marks the market value · range of 17 similar listings

AutosXchange Insights

Compared with 17 new 2026 GMC Sierra 2500 Denali Ultimate listings within 50 mi.
Priced $24,768 above the market value of 17 comparable cars — compare options, condition and history.
18th lowest price of 18 similar listings within 50 miles.
About 108 miles per year of age (U.S. average is roughly 12,000–14,000).
Stock # LT261958 — 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 ($122,683).0 price changes at this dealership: $122,683 → $122,683.

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 2500 Denali Ultimate · new · within 50 miles of St Louis, Missouri. Showing the 12 nearest of 17 comparable cars for sale, nearest first.

26 photos