Vehicle Notes
10-Speed Automatic, 4WD, Obsidian Rush Leather. 2025 GMC Sierra 2500HD AT4X Duramax 6.6L V8 Turbodiesel 4D Crew Cab 10-Speed Automatic Thunderstorm Gr…
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Chassis Details
Stock Number
Q450219
Stock Type
New
Year
2025
Make
Model
Class
3
GVWR
11,350
Drive Train
4WD
Cab Type
Crew
Vehicle Trim
AT4X
Vehicle VIN
1GT4UZEY4SF128461
Interior Color
Obsidian Rush, Full Grain Leather seat trim
Seating Capacity
5
Exterior Color Description
Thunderstorm Gray
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
- 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
- Recovery hooks, Red (Deleted with (ULV) AT4X AEV Edition.)
- SiriusXM Trial Subscription
- Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
- Wheel, Spare 18" (50.8 cm)
- Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
- 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
- Keyless Open and Start includes remote keyless entry
- 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
- Suspension, Off-Road Includes, 1.5" suspension lift: front suspension lift composed of: Control Arms, Ball Joints, Knuckles, DSSV Dampers, rear suspension lift composed of spacer block and DSSV Dampers and Half shafts w/ revised joints, 3-stage Leaf springs from 3500
- 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
- Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)
- Hill Descent Control
- Seats, ventilated driver and front passenger
- Pickup bed includes bed assist step
- Defogger, rear-window electric
- 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
- Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
- Premium Floor Liners with removable carpet insert, front
- 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.)
- Moldings, beltline, Black
- Remote vehicle starter system
- LED Signature DRL's
- Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
- Wireless Charging
- Steering column, manual Tilt-Wheel and telescoping
- Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
- Window, power front, passenger express up/down
- Lamps, cargo area cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
- Tire, spare, LT305/70R18-126/123R, 35" M/T
- Steering wheel audio controls
- Differential, driver-selectable full-locking rear, e-locking
- CornerStep, rear bumper (Not available with (ULV) AT4X AEV Edition.)
- Wheelhouse liners, rear
- Bedliner, 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.)
- Air filter, heavy-duty
- Air filtration monitoring
- IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)
- Assist steps, power retractable, Black includes LED lighting (Not available with any other assist steps.)
- Premium Floor Liners with removable carpet insert, rear
- Floor covering, color-keyed carpeting
- Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
- StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
- 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)
- Brake lining wear indicator
- Safety Alert Seat
- 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.)
- Seat trim, Full Grain Leather
- Daytime Running Lamps, LED signature lighting
- 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.)
- Cooling, external engine oil cooler
- OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
- Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
- Rear Seat Belt Indicator
- Transfer case, two-speed active, electronic Autotrac with push button control
- Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
- Rear Seat Reminder
- USB Ports, 2 (first row) located on console
- Fog lamps, LED
- USB ports, (2) charge-only, rear
- Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
- Seats, front bucket with center console (STD)
- Skid Plates, front aluminum
- Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
- Universal Home Remote
- 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
- Windows, power front, drivers express up/down
- Bluetooth for phone connectivity to vehicle infotainment system
- Cargo tie downs (12), fixed, rated at 500 lbs per corner
- Rear Cross Traffic Alert
- Tires, LT305/70R18-126/123R, 35" M/T
- 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
- Adaptive Cruise Control
- Bose Premium Series with 12-speaker system with CenterPoint Richbass woofer and AudioPilot
- 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.)
- Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
- Trailer Camera Provisions and trailer viewing software
- Bumper, rear body-color with bumper CornerSteps
- Door locks, power
- Headlamps, Animated LED projectors LED turn signals and Daytime Running Lamps
- Grille (Gloss Black header and grille insert bars with Dark Nickel inserts.)
- Skid Plates, Transfer case, steel
- Wipers, front rain-sensing
- Mirror caps, high gloss Black
- Window, power, rear sliding with rear defogger
- 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.)
- Multicolor 15" Diagonal Head-Up Display
- Trailer Side Blind Zone Alert
- Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
- Seat, Up-level Rear with Storage Package 60/40 folding bench, includes full-length bench seat, seatback storage on left and right side, center fold out armrest with 2 cupholders, full cab width under-seat storage, (includes child seat top tether anchor)
- Trailer brake controller, integrated
- Rear Camera Mirror inside rearview auto-dimming with full camera display
- Steering wheel, heated
- 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
- Theft-deterrent system, unauthorized entry
- Air conditioning, dual-zone automatic climate control
- Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display
- Windows, power rear, express down
- Driver memory recalls driver "presets" for power driver seat and outside mirrors
- Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
- Tailgate and bed rail protection caps, top
- 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
- Steering, Digital Variable Steering Assist this system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue
- Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
- Wireless phone projection for Apple CarPlay and Android Auto
- OnStar Basics (OnStar Fleet Basics for Fleet) Drive confidently with core OnStar services including select 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 select 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.)
- Door handles, body-color (With (ULV) AT4X AEV Edition door handles will be Gloss black.)
- Exterior Temperature Display, located in radio display
- Air vents, rear
- Mirrors, outside power-adjustable vertical trailering with heated and auto-dimming upper glass, (driver and passenger), lower convex mirrors, turn signal indicators, puddle lamps, (U12) perimeter lighting, auxiliary lighting, power folding/extending (extends 3.31" [84.25mm]) lighting
- Seat Belt Adjustable Guide Loops, front row only
- Seating, heated driver and front outboard passenger
- Sunroof, power
- Four wheel drive
- Seats, heated second row outboard seats
- 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
- Lamps, Smoked Amber roof marker, (LED) (Not available with (YF5) California state emissions requirements.)
- Steering wheel, leather-wrapped
- Cooling, auxiliary external transmission oil cooler
- GMC Premium information Display- 13.4" diagonal Multicolor touch screen
- Wheels, 18" (45.7 cm) machined aluminum wheel with High Gloss black accents (STD)
- Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible
- Engine block heater
- Transmission, Allison 10-speed automatic
- Exhaust brake
- Emissions, Colorado, Connecticut, Delaware, Maine, Maryland, Massachusetts, Minnesota, Nevada, New Jersey, New York, Oregon, Pennsylvania, Rhode Island, Vermont, Virginia and Washington state requirements
- Winter Grille Cover
- Thunderstorm Gray
- AT4X Preferred Equipment Group
- GVWR, 11,350 lbs. (5148 kg)
- Alternator, 220 amp
- Rear axle, 3.42 ratio
- Obsidian Rush, Full Grain Leather seat trim
- Snow Plow Prep/Camper Package
- Gooseneck / 5th Wheel Prep Package -- Hitch platform to accept Gooseneck or 5th Wheel hitch.
- CUSTOMER DIALOGUE NETWORK
- View All
Body Details
Body Type
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Virtual Inventory, Available Configurations and In-Transit inventory contains vehicles that have not actually been manufactured. These vehicles show consumers sample vehicles that may be available. Pricing, Options, Color and other data pertaining to these vehicles are provided for example only. All information pertaining to these vehicles should be independently verified through the dealer.
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