Used 2025 GMCSierra 3500HD AT4 Truck

  • Diesel
Located at
Fort Collins Dodge Chrysler Jeep Ram
Used vehicles may be subject to unrepaired manufacturer recalls. Please contact the manufacturer for recall assistance/questions before purchasing or check the NHTSA website for current recall information: https://vinrcl.safercar.gov/vin/
    Exterior Color
    Thunderstorm Gray
    Interior Color
    Jet Black With Kalahari Accents
    Odometer
    13,345 miles
    Body/Seating
    Truck/5 seats
    Seats
    5 seats
    Transmission
    10-Speed Automatic
    Drivetrain
    4WD
    Engine
    Duramax 6.6L V8 Turbodiesel
    VIN
    1GT4UVEY7SF187464
    Stock Number
    6651AX-1
    GMC Sierra 3500HD

    Highlighted Features

    • Lane departure
    • Leather upholstery
    • Automatic temperature control
    • Wireless phone connectivity
    • Parking sensors
    • Exterior parking camera front
    • Exterior parking camera left
    • Exterior parking camera right
    • Exterior parking camera rear
    • Front dual zone A/C
    • Auto high-beam headlights
    • Rain sensing wipers

    Included Packages & Accessories

    • AT4 Preferred Package
    • AT4 Premium Plus Package
    • Gooseneck/5th Wheel Prep Package
    • Hitch Package (LPO)
    • Preferred Equipment Group 4SB
    • Technology Package
    • X31 Off-Road Package
    • 7 Speakers
    • AM/FM radio: SiriusXM with 360L
    • Bose Premium 7-Speaker Sound System
    • Radio: AM/FM w/Premium GMC Infotainment System
    • SiriusXM w/360L Trial Subscription
    • Steering Wheel Audio Controls
    • Air Conditioning
    • Automatic temperature control
    • Electric Rear-Window Defogger
    • Front dual zone A/C
    • Rear window defroster
    • 120-Volt Bed Mounted Power Outlet
    • 120-Volt Instrument Panel Power Outlet
    • Driver Memory
    • Memory seat
    • Power driver seat
    • Power Front Windows w/Passenger Express Up/Down
    • Power steering
    • Power windows
    • Push Button Start
    • Remote keyless entry
    • Remote Vehicle Starter System
    • Steering wheel mounted audio controls
    • Universal Home Remote
    • Manual Tilt-Wheel/Telescoping Steering Column
    • Off-Road Suspension
    • Speed-sensing steering
    • Traction control
    • 4-Wheel Disc Brakes
    • ABS brakes
    • Dual front impact airbags
    • Dual front side impact airbags
    • Front anti-roll bar
    • Front wheel independent suspension
    • Keyless Open & Start
    • Low tire pressure warning
    • Occupant sensing airbag
    • Overhead airbag
    • Power Sunroof
    • Pickup Bed
    • Brake assist
    • Electronic Stability Control
    • Lane Departure Warning System
    • Exterior Parking Camera Rear
    • Hill Descent Control
    • Auto High-beam Headlights
    • Delay-off headlights
    • Front fog lights
    • Fully automatic headlights
    • Panic alarm
    • Security system
    • Unauthorized Entry Theft-Deterrent System
    • Speed control
    • 2-Speed Active Transfer Case
    • 220 Amp Alternator
    • Engine Block Heater
    • Exhaust Brake
    • Heavy-Duty 80 Amp-Hr Battery
    • Auto-dimming door mirrors
    • Black Front & Rear Molded Splash Guards (LPO)
    • Bumpers: body-color
    • Front License Plate Kit
    • Gloss Black Header & Grille Insert Bars
    • Heated door mirrors
    • IntelliBeam Automatic High Beam On/Off
    • LED Cargo Area Lighting
    • LED Smoked Amber Roof Marker Lamps
    • Off-Road High Clearance Step (LPO)
    • Power door mirrors
    • Rear step bumper
    • Rear Wheelhouse Liners
    • Spray-On Pickup Bedliner w/GMC Logo
    • Turn signal indicator mirrors
    • Winter Grille Cover
    • 2 Charge-Only Rear USB Ports
    • 2 Charge/Data USB Ports Inside Center Console
    • 2 USB Ports
    • Auto-Dimming Inside Rearview Mirror w/Camera
    • Auto-dimming Rear-View mirror
    • Automatic Emergency Braking
    • Bed View Camera w/2 Trailer Camera Provisions
    • Buckle to Drive
    • Compass
    • Driver door bin
    • Driver vanity mirror
    • Floor-Mounted Center Console
    • Following Distance Indicator
    • Forward Collision Alert
    • Front Pedestrian Braking
    • Front reading lights
    • GMC Premium 13.4" Diagonal Information Display
    • HD Surround Vision
    • Heated steering wheel
    • Illuminated entry
    • Multicolor 15" Diagonal Head-Up Display
    • Outside temperature display
    • Overhead console
    • Passenger vanity mirror
    • Prem Front Floor Liners w/Removable Carpet Insert
    • Prem Rear Floor Liners w/Removable Carpet Insert
    • Rear Cross Traffic Alert
    • Rear reading lights
    • Rear seat center armrest
    • Safety Alert Seat
    • Tachometer
    • Telescoping steering wheel
    • Tilt steering wheel
    • Trailer Camera Provisions
    • Trailer Side Blind Zone Alert
    • Trip computer
    • Ultrasonic Front & Rear Park Assist
    • Voltmeter
    • Wireless Charging
    • Wireless Phone Projection
    • 10-Way Power Driver Seat Adjuster w/Lumbar
    • 10-Way Power Passenger Seat Adjuster w/Lumbar
    • Front Bucket Seats
    • Front Center Armrest
    • Heated 2nd Row Outboard Seats
    • Heated Driver & Front Outboard Passenger Seats
    • Heated front seats
    • Heated rear seats
    • Perforated Front Leather Seat Trim
    • Power passenger seat
    • Split folding rear seat
    • Ventilated Driver & Front Passenger Seats
    • Ventilated front seats
    • Passenger door bin
    • Hitch Guidance w/Hitch View
    • Alloy wheels
    • Wheels: 20" High Gloss Black 8 Spoke Aluminum
    • Deep-Tinted Glass
    • Front Rain-Sensing Wipers
    • Power Sliding Rear Window w/Defogger
    • Rain sensing wipers
    • Variably intermittent wipers

    Detailed Specifications

    • 1-touch down
    • 1-touch up
    • Adaptive Cruise Control
    • Air conditioning
    • Auto-dimming rearview mirror
    • Automatic temperature control
    • Driver door bin
    • Driver vanity mirror
    • Front beverage holders
    • Front dual zone A/C
    • Heated steering wheel
    • Illuminated entry
    • Memory seat
    • Overhead console
    • Passenger door bin
    • Passenger vanity mirror
    • Power windows
    • Proximity key: doors and push button start
    • Rear beverage holders
    • Rear door bins
    • Remote engine start
    • Remote keyless entry
    • Speed control
    • Surround View Monitor
    • Telescoping steering wheel
    • Tilt steering wheel
    • Alloy wheels
    • Front anti-roll bar
    • Front tires: 275/65SR20.0E
    • Front wheel independent suspension
    • Power steering
    • Rear tires: 275/65SR20.0E
    • Single rear wheels
    • Speed-sensing steering
    • Tires: all-terrain
    • Wheel size: 20"
    • 1st row LCD monitors: 2
    • AM/FM radio: SiriusXM with 360L
    • Primary LCD size: 13.4"
    • Smart device integration
    • Speaker type: Bose
    • Speakers: 7
    • Steering wheel mounted audio controls
    • Wireless Phone Charger: front
    • Wireless phone connectivity
    • Front center armrest
    • Front seats: bucket
    • Heated front seats
    • Heated rear seats
    • Leather upholstery
    • Max seating capacity: 5
    • Power 2-way driver lumbar support
    • Power 2-way passenger lumbar support
    • Power driver seat
    • Power passenger seat
    • Rear seat center armrest
    • Rear seats: split-bench
    • Rear seats Folding position: fold-up cushion
    • Seat Upholstery: leather
    • Split folding rear seat
    • Ventilated front seats
    • Cylinder configuration: V-8
    • Drive type: four-wheel
    • Engine liters: 6.6L
    • Engine location: front
    • Fuel tank capacity: 36.0gal.
    • Hybrid traction battery type: none
    • Manual-shift auto
    • Mode select transmission
    • Rear locking differential
    • Transmission: 10 speed automatic
    • Variable valve control
    • Ground clearance (min): 284mm (11.2")
    • Auto-dimming door mirrors
    • Bedliner
    • Bumpers: body-color
    • Heated door mirrors
    • Hitch Class: IV
    • Left rear passenger door: conventional
    • Power door mirrors
    • Rear cargo: tailgate
    • Rear step bumper
    • Right rear passenger: conventional
    • Skid plates
    • Trailer hitch
    • Trailer sway control
    • Turn signal indicator mirrors
    • Engine displacement: 6.6 L
    • Exterior body width: 2,079mm (81.8")
    • Exterior height: 2,054mm (80.9")
    • Exterior length: 6,369mm (250.8")
    • Front headroom: 1,093mm (43.0")
    • Front hiproom: 1,554mm (61.2")
    • Front legroom: 1,131mm (44.5")
    • Front shoulder room: 1,677mm (66.0")
    • Rear headroom: 1,019mm (40.1")
    • Rear hiproom: 1,530mm (60.2")
    • Rear legroom: 1,102mm (43.4")
    • Rear shoulder room: 1,659mm (65.3")
    • Turning radius: 8.0m (26.3')
    • Wheelbase: 4,039mm (159.0")
    • Appearance: digital/analog
    • Auto high-beam headlights
    • Blind spot: warning
    • Compass
    • Configurable
    • Delay-off headlights
    • Exterior parking camera cargo
    • Exterior parking camera front
    • Exterior parking camera left
    • Exterior parking camera rear
    • Exterior parking camera right
    • Front fog lights
    • Front reading lights
    • Fully automatic headlights
    • Lane departure: warning
    • Low tire pressure warning
    • Oil pressure gauge
    • Outside temperature display
    • Parking sensors: front and rear
    • Rain sensing wipers
    • Rear reading lights
    • Rear window defroster
    • Tachometer
    • Trip computer
    • Variably intermittent wipers
    • Voltmeter
    • 4 wheel disc brakes
    • ABS brakes
    • Brake assist
    • Dual front impact airbags
    • Dual front side impact airbags
    • Electronic stability
    • Forward collision: mitigation
    • Front pedestrian detection: prevention
    • Ignition disable
    • Occupant sensing airbag
    • Overhead airbag
    • Panic alarm
    • Perimeter/approach lights
    • Rear collision: warning
    • Security system
    • Traction control

    Dealer Notes

    This powerful 2025 GMC Sierra 3500HD AT4 delivers premium capability and refinement in a stunning Thunderstorm Gray finish. Equipped with the legendary Duramax 6.6L V8 Turbodiesel engine and 10-speed automatic transmission, this heavy-duty truck is built for serious work and weekend adventures. The AT4 Premium Plus Package elevates comfort and style with distinctive design elements and enhanced functionality.

    - Duramax 6.6L V8 Turbodiesel with 220-Amp Alternator
    - Gooseneck/5th Wheel Prep Package for maximum towing flexibility
    - Bose Premium 7-Speaker Sound System with Steering Wheel Controls
    - 20" High Gloss Black 8-Spoke Aluminum Wheels with BFGoodrich Off-Road T/A KO3 Tires
    - Engine Block Heater for reliable cold-weather starts
    - Heated and Ventilated Leather Front Seats with Memory Driver Seat
    - Multicolor 15" Head-Up Display and HD Surround Vision
    - Automatic Emergency Braking with Front Pedestrian Braking
    - Power Sunroof and Power Sliding Rear Window with Defogger
    - Hitch Guidance with Hitch View and Remote Vehicle Starter System

    This truck shows just over 13,000 miles and presents excellent condition. The Gooseneck/5th Wheel Prep Package combined with the front and rear molded splash guards and off-road suspension makes this Sierra ready for any terrain. Technology features including the GMC Premium 13.4" Information Display, wireless charging, and wireless phone projection keep you connected on the job or the road.

    Visit us today to experience the commanding presence and premium capability of this AT4 in person. We're confident you'll appreciate the quality engineering and thoughtful features that make this Sierra 3500HD an outstanding choice for serious truck buyers.

    KBB.com Consumer Reviews

    Kelley Blue Book - KBB.com
    Overall0.0Out of 5

      *The advertised price of vehicle(s) does not include sales taxes, vehicle registration fees, finance charges and, if applicable, cost of emissions test, and/or transportation cost incurred after sale to deliver the vehicle to the purchaser at the purchaser's request.

      *You may not qualify for the offers, incentives, discounts, and/or financing. Offers, incentives, discounts, and/or financing are subject to expiration and other restrictions. See dealer for qualifications and complete details.

      * Images and options shown are examples only, and may not reflect exact vehicle color, trim, options, and/or other specifications.

      * In transit means that vehicles have been built but have not yet arrived at your dealer. Images shown may not necessarily represent identical vehicles in transit to your dealership. See your dealer for complete details.

      *USED VEHICLES MAY BE SUBJECT TO UNREPAIRED MANUFACTURER RECALLS. PLEASE CONTACT THE MANUFACTURER OR A DEALER FOR THAT LINE MAKE FOR RECALL ASSISTANCE/QUESTIONS OR CHECK THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION WEBSITE FOR CURRENT RECALL INFORMATION BEFORE PURCHASING. For Recall Lookup please review this link - https://www.nhtsa.gov/recalls.