New 2025 GMC Sierra 3500 Denali Ultimate Crew Cab 4WD, Pickup

Stock #T6638
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New 2025 GMC Sierra 3500 Denali Ultimate Crew Cab 4WD, Pickup

Stock #T6638
New 2025 GMC Sierra 3500 Denali Ultimate Crew Cab 4WD, Pickup for sale #T6638 - photo 1
New 2025 GMC Sierra 3500 Denali Ultimate Crew Cab 4WD, Pickup for sale #T6638 - photo 1 New 2025 GMC Sierra 3500 Denali Ultimate Crew Cab 4WD, Pickup for sale #T6638 - photo 2 New 2025 GMC Sierra 3500 Denali Ultimate Crew Cab 4WD, Pickup for sale #T6638 - photo 3 New 2025 GMC Sierra 3500 Denali Ultimate Crew Cab 4WD, Pickup for sale #T6638 - photo 4 New 2025 GMC Sierra 3500 Denali Ultimate Crew Cab 4WD, Pickup for sale #T6638 - photo 5 New 2025 GMC Sierra 3500 Denali Ultimate Crew Cab 4WD, Pickup for sale #T6638 - photo 6 New 2025 GMC Sierra 3500 Denali Ultimate Crew Cab 4WD, Pickup for sale #T6638 - photo 7 New 2025 GMC Sierra 3500 Denali Ultimate Crew Cab 4WD, Pickup for sale #T6638 - photo 8 New 2025 GMC Sierra 3500 Denali Ultimate Crew Cab 4WD, Pickup for sale #T6638 - photo 9 New 2025 GMC Sierra 3500 Denali Ultimate Crew Cab 4WD, Pickup for sale #T6638 - photo 10 New 2025 GMC Sierra 3500 Denali Ultimate Crew Cab 4WD, Pickup for sale #T6638 - photo 11 New 2025 GMC Sierra 3500 Denali Ultimate Crew Cab 4WD, Pickup for sale #T6638 - photo 12 New 2025 GMC Sierra 3500 Denali Ultimate Crew Cab 4WD, Pickup for sale #T6638 - photo 13 New 2025 GMC Sierra 3500 Denali Ultimate Crew Cab 4WD, Pickup for sale #T6638 - photo 14 New 2025 GMC Sierra 3500 Denali Ultimate Crew Cab 4WD, Pickup for sale #T6638 - photo 15 New 2025 GMC Sierra 3500 Denali Ultimate Crew Cab 4WD, Pickup for sale #T6638 - photo 16 New 2025 GMC Sierra 3500 Denali Ultimate Crew Cab 4WD, Pickup for sale #T6638 - photo 17 New 2025 GMC Sierra 3500 Denali Ultimate Crew Cab 4WD, Pickup for sale #T6638 - photo 18 New 2025 GMC Sierra 3500 Denali Ultimate Crew Cab 4WD, Pickup for sale #T6638 - photo 19 New 2025 GMC Sierra 3500 Denali Ultimate Crew Cab 4WD, Pickup for sale #T6638 - photo 20 New 2025 GMC Sierra 3500 Denali Ultimate Crew Cab 4WD, Pickup for sale #T6638 - photo 21 New 2025 GMC Sierra 3500 Denali Ultimate Crew Cab 4WD, Pickup for sale #T6638 - photo 22 New 2025 GMC Sierra 3500 Denali Ultimate Crew Cab 4WD, Pickup for sale #T6638 - photo 23 New 2025 GMC Sierra 3500 Denali Ultimate Crew Cab 4WD, Pickup for sale #T6638 - photo 24
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Pricing Details

List Price $99,235
Accessories + $571
Price $99,806
Additional Upfit Cost

Price above does not include any of the Build & Quote options.

Vehicle available NOW in Wilmington, NC.

Contact Bob King Buick GMC for more info.

(910) 898-4312
Bob King Buick GMC logo
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Vehicle Notes

2025 GMC Sierra 3500HD Denali Ultimate 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel Onyx Black10-Speed Automatic, 4WD, Alpine Umber Leather.

Chassis Details

Stock Number
T6638
Stock Type
New
Year
2025
Make
GMC
Model
Sierra 3500
Class
3
GVWR
12,100
Drive Train
4WD
Cab Type
Crew
Vehicle Trim
Denali Ultimate
Vehicle VIN
1GT4UYEY0SF152668
Interior Color
Alpine Umber, Full Grain Leather seating surfaces
Seating Capacity
5
Exterior Color Description
Onyx Black
Engine Cylinder Count
8
Engine
6.6L Duramax Turbo-Diesel V8 engine
Transmission Type
Automatic
Fuel Type
Diesel
Engine Model
L5P
Engine Size (L)
6.6
Horsepower
470
Brake Type
Hydraulic

Vehicle Options

  • Assist steps, power-retractable with LED perimeter lighting and bright accent (Not available with any other assist steps.)
  • Hill Descent Control (Not available with dual rear wheels.)
  • Skid Plates protect the oil pan, front axle and transfer case
  • Remote vehicle starter system
  • LED Signature DRL's
  • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
  • Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Bed Step, Black integrated on forward portion of bed on driver and passenger side
  • USB Ports, 2, Charge/Data ports located inside center console
  • Driver memory, recalls driver "presets" for power driver seat and outside mirrors
  • Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Exhaust Brake
  • Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
  • Keyless Open and Start includes remote keyless entry
  • Indicator-Seat Belt WARNING, Rear Seat (Requires Crew Cab or Double Cab model.)
  • HD Surround Vision provides the driver with an overhead view of the scene around the vehicle on a center stack display. Includes front camera washer.
  • Front and Rear Park Assist, ultrasonic
  • Rear Seat Reminder
  • Daytime Running Lamps LED signature lighting
  • Glass, deep-tinted
  • Sierra HD Pro Safety includes (UEU) Forward Collision Alert, (UE4) Following Distance Indicator, (UKJ) Front Pedestrian Braking, (TQ5) IntelliBeam, (UFL) Lane Departure Warning, (T8Z) Buckle to Drive and (UHY) Automatic Emergency Braking
  • SiriusXM
  • Mirrors, outside power-adjustable vertical trailering with heated and auto-dimming upper glass, (driver and passenger) lower convex mirrors, turn signal indicators, puddle lamps, perimeter lighting, auxiliary lighting, power folding/extending (extends 3.31" [84.25mm])
  • Wheels, 20" (50.8 cm) Ultra-bright machined aluminum wheels with gloss black inserts with Black painted pockets (STD) (Requires single rear wheels.)
  • Seats, ventilated driver and front passenger
  • Defogger, rear-window electric
  • Pickup bed
  • ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App
  • Seat adjuster, passenger 16-way power including lumbar and massage
  • In-Vehicle Trailering App System, includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder, trailer electrical diagnostics and Trailer Tire Pressure Monitor System module (Includes trailer tire pressure monitoring alert when (PTT) trailer tire pressure monitor sensors are installed.)
  • Wireless Charging
  • Wheelhouse liners, rear (Not available with dual rear wheel models.)
  • Steering column, manual Tilt-Wheel and telescoping
  • Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
  • Tailgate, GMC MultiPro Tailgate with six functional load/access features. NOTE: Auto release can be disabled if ball hitch is installed. See Owner's manual for details
  • Mirror caps, chrome
  • 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, Bluetooth streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones. (STD)
  • Steering wheel audio controls
  • Window, power front, passenger express up/down
  • Tires, LT275/65R20 all-terrain, blackwall (STD) (Requires single rear wheels.)
  • Winter Grille Cover
  • Air filter, heavy-duty
  • Air filtration monitoring
  • IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Windows, power rear, express down
  • Single Rear Wheels
  • Window, power, rear sliding with rear defogger
  • Floor covering, color-keyed carpeting
  • Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
  • Transmission, Allison 10-speed automatic (STD)
  • Wireless Phone Projection for Apple CarPlay and Android Auto
  • 3 Years OnStar Premium Plan see onstar.com for information. Access the entire suite of OnStar Safety & Security Services and Connected Services. For retail customers, this includes the OnStar Guardian app, connectivity for available In-Vehicle Apps, In-Vehicle Wi-Fi Hotspot data and OnStar Remote Access through the myGMC mobile app. Fleet customers will receive OnStar Vehicle Insights instead of OnStar Remote Access. (Eligible vehicles receive 3-years of the OnStar Premium Plan, including the Connected Vehicle Plan and the OnStar Safety & Security Plan. Connected Vehicle Plan includes connectivity for available in-vehicle apps, OnStar Remote Access Plan (excluding Fleet vehicles, which will receive OnStar Vehicle Insights) and In-Vehicle Wi-Fi Hotspot data. OnStar Safety & Security Plan includes access to the OnStar Guardian App, Automatic Crash Response, Emergency Services, Crisis Assist, Roadside Assistance and Stolen Vehicle Assistance.)
  • Brake lining wear indicator
  • Recovery hooks, front, Chrome (Plant installed.)
  • Safety Alert Seat
  • Window, power front, drivers express up/down
  • LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
  • Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
  • Capped Fuel Fill
  • Cooling, external engine oil cooler
  • Floor mats, carpeted front (Includes Premium floor mats with corner applique.)
  • OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
  • Exterior Temperature Display located in radio display
  • Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
  • Seat trim, Full Grain Leather seats
  • Tire Pressure Monitoring System auto learn, includes Tire Fill Alert (does not apply to spare tire)
  • Headlamps, Animated LED projectors, LED turn signals and Daytime Running Lamps
  • USB Ports, 2 (first row) located on console
  • Fog lamps, LED
  • Steering, Digital Variable Steering Assist This system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue
  • USB ports, (2) charge-only, rear
  • Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
  • Moldings, beltline, stainless steel
  • Bose Premium Series with 12-speaker system with CenterPoint, Richbass woofer and AudioPilot
  • Seats, front bucket with center console (STD)
  • Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
  • Seat, Up-level Rear with Storage Package, 60/40 folding bench for Crew Cab models includes full-length bench seat, seatback storage on left and right side, center fold out armrest with 2 cupholders, full cab width underseat storage, (includes child seat top tether anchor)
  • Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
  • Universal Home Remote
  • Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible (470 hp [350.5 kW] @ 2800 rpm, 975 lb-ft of torque [1322 Nm] @ 1600 rpm) (STD)
  • Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt
  • Seat adjuster, driver 16-way power including lumbar and massage
  • Push Button Start
  • Bumper, front, body-color lower
  • LPO, MultiPro Tailgate Audio System by Kicker (dealer-installed)
  • Rear axle, 3.42 ratio
  • Bluetooth for phone connectivity to vehicle infotainment system
  • Cargo tie downs (12), fixed, rated at 500 lbs per corner
  • Rear Cross Traffic Alert
  • Lamps, Smoked Amber roof marker, (LED) (Standard with dual rear wheels. Not available with (YF5) California state emissions requirements on single rear wheels.)
  • Adaptive Cruise Control
  • Compass, located in instrument cluster
  • SiriusXM with 360L Trial Subscription. SiriusXM with 360L transforms your customers' ride with our most extensive and personalized radio experience on the road. (IMPORTANT: The SiriusXM trial subscription is not provided on vehicles that are ordered for Fleet Daily Rental ("FDR") use. Trial subscription is subject to the SiriusXM Customer Agreement and privacy policy, visit www.siriusxm.com which includes full terms and how to cancel. All fees, content, features, and availability are subject to change. Some features require GM connected vehicle services.)
  • Trailer Tire Pressure Monitor Sensors includes set of 4 sensors. Sensor functionality requires (UET) In-vehicle Trailering App to be ordered with the vehicle and installed by the factory. Sensors will be shipped loose with the truck and will need to be installed on trailer by customer. System is capable of monitoring up to 6 wheels. Additional or replacement sensors are available through GM Accessories
  • Buckle to Drive prevents vehicle from being shifted out of Park until driver seat belt is fastened; times out after 20 seconds and encourages seat belt use (Included and only available with (PDI) Sierra HD Pro Safety)
  • Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
  • Trailer Camera Provisions and trailer viewing software
  • Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Bumper, rear body-color with bumper CornerSteps
  • Door locks, power
  • Grille, Signature Denali Ultimate grille in Vader chrome with High Gloss Black surround
  • GVWR, 12,100 lbs. (5488 kg) with single rear wheels (STD) (Included and only available with TK30743 model and (L5P) Duramax 6.6L Turbo-Diesel V8 engine. Requires single rear wheels.)
  • Wipers, front rain-sensing
  • Bed View Camera camera in the CHMSL to show a view of the cargo bed, display located in infotainment screen, includes Two Trailer Camera Provisions
  • CornerStep, rear bumper
  • Engine block heater
  • Transfer case, two-speed active electronic Autotrac with push button control
  • Airbags, Dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)
  • Technology Package includes (DRZ) Rear Camera Mirror and (UV6) Multicolor 15" Diagonal Head-Up Display
  • Multicolor 15" Diagonal Head-Up Display
  • Trailer Side Blind Zone Alert
  • Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
  • Trailer brake controller, integrated
  • Rear Camera Mirror inside rearview auto-dimming with full camera display
  • Steering wheel, heated
  • Theft-deterrent system, unauthorized entry
  • Air conditioning, dual-zone automatic climate control
  • Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display
  • Bed Liner, Spray-on Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (Available with Ship Thru code (SQE), not available with any other Ship Thru code.)
  • Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
  • Tailgate and bed rail protection caps, top
  • Floor mats, carpeted rear (Unique premium carpet. Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)
  • Tire, spare LT275/70R18 all-terrain, blackwall (Included and only available with (QF9) LT275/65R20 all-terrain, blackwall tires on single rear wheel models.)
  • Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance
  • Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Air vents, rear
  • Alternator, 220 amps
  • Seat Belt Adjustable Guide Loops, front row only
  • Seating, heated driver and front outboard passenger
  • Sunroof, power
  • Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
  • Four wheel drive
  • Seats, heated second row outboard seats
  • StabiliTrak, stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist
  • Door handles, chrome
  • Teen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to help encourage safe driving behavior. It can limit certain available vehicle features, and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver
  • Steering wheel, leather-wrapped
  • Cooling, auxiliary external transmission oil cooler
  • X31 Off-Road Package includes (JHD) Hill Descent Control, (NZZ) skid plates, Off-Road suspension and Twin-tube Rancho shocks (Not available with dual rear wheels.)
  • Battery, heavy-duty 730 cold-cranking amps/70 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L5P) Duramax 6.6L Turbo-Diesel V8 engine.)
  • Auto-locking rear differential
  • GMC Premium information Display- 13.4" diagonal Multicolor touch screen
  • OnStar Basics (OnStar Fleet Basics for Fleet) Drive confidently with core OnStar services including remote commands, built-in voice assistance, real-time traffic and navigation, and Automatic Crash Response to help if you're in need. (OnStar Basics includes remote commands, Navigation, Voice Assistance, and Automatic Crash Response, for eligible vehicles with compatible software. For MY25 vehicles, OnStar Basics is standard for 8 years; OnStar plan, working electrical system, cell reception and GPS signal required. OnStar links to emergency services. Service coverage varies with conditions and location. Service availability, features and functionality vary by device and software version. See onstar.com for details and limitations.)
  • Gooseneck / 5th Wheel Prep Package
  • Alpine Umber, Full Grain Leather seating surfaces
  • Denali Ultimate Preferred Equipment Group
  • License plate kit, front
  • Emissions, Federal requirements
  • Onyx Black
  • GVWR, 12,100 LBS. (5488 KG)
  • CUSTOMER DIALOGUE NETWORK
  • View All

Build & Get a Quote

Body Details

Body Type
Pickup
Call For Pricing

Pricing Details

List Price $99,235
Accessories + $571
Price $99,806
Additional Upfit Cost

Price above does not include any of the Build & Quote options.

Vehicle available NOW in Wilmington, NC.

Contact Bob King Buick GMC for more info.

(910) 898-4312
Bob King Buick GMC logo
Vehicle Transportation
Get a quote to transport this specific vehicle from the dealer's location straight to your business. Powered by Crestline Auto Transport.
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