Used 2025 GMC Sierra 2500HD AT4

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Used 2025 GMC Sierra 2500HD AT4
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Used 2025 GMC Sierra 2500HD AT4


Vehicle Details
  • Stock #: T65A
  • VIN: 1GT4UPEY4SF113866
  • Mileage: 11198
  • Engine: Duramax 6.6L Turbo-Diesel V8 B20-Diesel Compatible Engine
  • Exterior Color: Summit White
  • Interior Color: Jet Black with Kalahari accents
  • Transmission: Automatic

Dealer Comments

Contact Jim Baier Inc today for information on dozens of vehicles like this 2025 GMC Sierra 2500HD AT4. There's a level of quality and refinement in this GMC Sierra 2500HD AT4 that you won't find in your average vehicle. This 4WD-equipped vehicle handles any condition on- or off-road with the sure footedness of a mountain goat. With unequaled traction and stability, you'll drive with confidence in any weather with this Summit White 2025 4WD GMC Sierra 2500HD AT4. This is about the time when you're saying it is too good to be true, and let us be the one's to tell you, it is absolutely true. This is the one. Just what you've been looking for.


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Installed Options
  • Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
  • Wireless phone projection for Apple CarPlay and Android Auto
  • Bose Sound System premium 7-speaker system with Richbass woofer
  • Bluetooth for phone connectivity to vehicle infotainment system
  • 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
  • Tires LT275/65R20 all-terrain blackwall
  • Cargo tie downs (12) fixed rated at 500 lbs per corner
  • Tailgate and bed rail protection caps top
  • Glass deep-tinted
  • IntelliBeam automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)
  • 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 (TCH) not available with any other Ship Thru code.)
  • Headlamps Animated LED projectors LED turn signals and Daytime Running Lamps
  • Tailgate gate function manual with EZ Lift includes power lock and release includes hitch area light
  • Tire spare LT275/70R18 all-terrain blackwall
  • Wheelhouse liners rear
  • Bumper front body-color lower
  • CornerStep rear bumper
  • Mirror caps high gloss Black
  • Bumper rear body-color with bumper CornerSteps
  • Grille (Gloss Black header and grille insert bars with Black Chrome accents.)
  • Taillamps Animated LED Signature Tail Stop turn and Reverse lamps
  • LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
  • Moldings beltline Black
  • Lamps cargo area cab mounted integrated with center high mount stop lamp with switch in bank on left side of steering wheel
  • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
  • Bed Step Black integrated on forward portion of bed on driver and passenger side
  • Fog lamps LED
  • Wipers front rain-sensing
  • Door handles body-color
  • Wheels 20" (50.8 cm) High Gloss black aluminum wheels 8 spokes
  • 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
  • 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
  • Rear Seat Reminder
  • Mirror inside rearview auto-dimming
  • USB Ports 2 (first row) located on console
  • Seats ventilated driver and front passenger
  • Steering wheel wrapped
  • USB ports (2) charge-only rear
  • GMC Premium information Display- 13.4" diagonal Multicolor touch screen
  • Seating heated driver and front outboard passenger
  • Exterior Temperature Display located in radio display
  • Keyless Open and Start includes remote keyless entry
  • Center Console floor-mounted with cup holders cell phone storage power cord management hanging file folder capability
  • Steering wheel audio controls
  • Floor covering color-keyed carpeting
  • Driver Information Center enhanced 12.3" diagonal reconfigurable multicolor digital display
  • Seats front bucket with center console
  • Adaptive Cruise Control
  • Air vents rear
  • Premium Floor Liners with removable carpet insert rear
  • Seats heated second row outboard seats
  • Window power front passenger express up/down
  • Air conditioning dual-zone automatic climate control
  • Power outlet instrument panel 120-volt (400 watts shared with (KC9) bed mounted power outlet)
  • Driver memory recalls driver "presets" for power driver seat and outside mirrors
  • Theft-deterrent system unauthorized entry
  • Seat trim Perforated front Leather
  • Assist handles front A-pillar mounted for driver and passenger rear B-pillar mounted
  • Premium Floor Liners with removable carpet insert front
  • Power outlet bed mounted 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
  • Windows power rear express down
  • Defogger rear-window electric
  • Remote vehicle starter system
  • Steering wheel heated
  • Compass located in instrument cluster
  • Seat adjuster driver 10-way power including lumbar
  • Windows power front drivers express up/down
  • Door locks power
  • Seat adjuster passenger 10-way power including lumbar
  • Wireless Charging
  • Steering column manual Tilt-Wheel and telescoping
  • USB Ports 2 Charge/Data ports located inside center console
  • 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)
  • Transmission Allison 10-Speed automatic
  • Pickup bed includes bed assist step
  • Cooling external engine oil cooler
  • Engine 6.6L V8 with Direct Injection and Variable Valve Timing gasoline (401 hp [299 kW] @ 5200 rpm 464 lb-ft of torque [629 N-m] @ 4000 rpm)
  • GVWR 10850 lbs. (4921 kg) (Included and only available with TK20743 model and (L8T) 6.6L V8 gas engine with 18" 20" or 22" wheels.)
  • Four wheel drive
  • Brake lining wear indicator
  • Trailer brake controller integrated
  • Rear axle 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
  • Battery heavy-duty 720 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L8T) 6.6L V8 gas engine.)
  • Steering Digital Variable Steering Assist this system automatically adjusts steering based on speed road conditions and other inputs to reduce driver effort and fatigue
  • Frame fully-boxed hydroformed front section and a fully-boxed stamped rear section
  • Skid Plates protect the oil pan front axle and transfer case
  • Suspension Off-Road includes twin-tube shocks
  • Push Button Start
  • Recovery hooks Red
  • Air filtration monitoring
  • Hill Descent Control
  • Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)
  • Transfer case two-speed active electronic Autotrac with push button control
  • Cooling auxiliary external transmission oil cooler
  • Air filter heavy-duty
  • Alternator 170 amps (Requires (L8T) 6.6L V8 gas engine.)
  • Auto-locking rear differential
  • Brakes 4-wheel antilock 4-wheel disc with DURALIFE rotors
  • 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.)
  • Trailering Package includes trailer hitch 7-pin and 4-pin connectors and (CTT) Hitch Guidance
  • X31 Off-Road Package includes (JHD) Hill Descent Control (NZZ) skid plates Off-Road suspension and Twin-tube Rancho shocks
  • 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
  • ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App
  • Rear Seat Belt Indicator
  • Safety Alert Seat
  • Rear Cross Traffic Alert
  • Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Hitch Guidance with Hitch View with image adjustment Pan/Zoom/Tilt
  • 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.
  • 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
  • Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Trailering Information Label provides max trailer ratings for tongue weight conventional gooseneck and 5th wheel trailering
  • Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Front and Rear Park Assist ultrasonic
  • Trailer Camera Provisions and trailer viewing software
  • Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
  • Daytime Running Lamps LED signature lighting
  • LED Signature DRL's
  • Tire Pressure Monitoring System auto learn includes Tire Fill Alert (does not apply to spare tire)
  • 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.)
  • OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
  • StabiliTrak stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist
  • 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
  • Trailer Side Blind Zone Alert
  • 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.)
  • Seat Belt Adjustable Guide Loops front row only
  • 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.)

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*All pricing and details are believed to be accurate, but we do not warrant or guarantee such accuracy. The prices shown above may vary from region to region, as will incentives, and are subject to change. Vehicle information is based off standard equipment and may vary from vehicle to vehicle. Call or email for complete vehicle information. All specifications, prices and equipment are subject to change without notice. Prices and payments do not include tax, titles, tags, finance charges, documentation charges, emissions testing charges, or other fees required by law, vehicle sellers or lending organizations.

Based on 2023 EPA mileage estimates, reflecting new EPA fuel economy methods beginning with 2008 models. Use for comparison purposes only. Do not compare to models before 2008. Your actual mileage will vary depending on how you drive and maintain your vehicle.

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Used 2025 GMC Sierra 2500HD AT4
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