2025 GMC Sierra 2500HD AT4

  • Certified vehicle
  • Diesel

    The overview

    Exterior Color
    Thunderstorm Gray
    Interior Color
    Jet Black With Kalahari Accents
    Odometer
    41,122 miles
    Body/Seating
    Truck Crew Cab/5 seats
    Transmission
    Automatic
    Engine
    8
    VIN
    1GT4UPEYXSF129585
    Stock Number
    25T276A
    • This vehicle is dealer certified
    • Show Me the CARFAX 1-Owner Badge

    The highlights

    • Lane departure
    • Leather upholstery
    • Automatic temperature control
    • Emergency communication system
    • Power moonroof
    • 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
    • 1-touch down
    • 1-touch up
    • Adaptive Cruise Control
    • Air conditioning
    • Auto-dimming rearview mirror
    • Automatic temperature control
    • Driver door bin
    • Driver vanity mirror
    • Emergency communication system: OnStar
    • Front beverage holders
    • Front dual zone A/C
    • Garage door transmitter
    • Heated steering wheel
    • Illuminated entry
    • Memory seat
    • Moonroof sunshade: manual
    • Overhead console
    • Passenger door bin
    • Passenger vanity mirror
    • Power moonroof
    • 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: HD Surround Vision w/Hitch View yes
    • Telescoping steering wheel
    • Tilt steering wheel
    • Alloy wheels
    • Front anti-roll bar
    • Front wheel independent suspension
    • Power steering
    • Single rear wheels
    • Speed-sensing steering
    • Tires: all-terrain
    • 1st row LCD monitors: 2
    • Primary LCD size: 13.4"
    • Smart device integration: Apple CarPlay/Android Auto
    • Speaker type: Bose
    • Speakers: 7
    • Steering wheel mounted audio controls
    • Turn-by-turn navigation directions: OnStar Turn-by-Turn Navigation
    • Wireless Phone Charger: front
    • Wireless phone connectivity: Bluetooth
    • 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
    • Block heater
    • Compressor: intercooled turbo
    • Cylinder configuration: V-8
    • Drive type: four-wheel
    • Engine liters: 6.6L
    • Engine location: front
    • Fuel tank capacity: 36.0gal.
    • Horsepower: 470hp @ 2,800RPM
    • Hybrid traction battery type: none
    • Manual-shift auto
    • Mode select transmission
    • Number of valves: 32
    • Rear locking differential
    • Recommended fuel: Diesel
    • Standard fuel economy fuel type: diesel
    • Torque: 975 lb.-ft. @ 1,600RPM
    • Transmission: 10 speed automatic
    • Variable valve control
    • Ground clearance (min): 257mm (10.1")
    • 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
    • Compression ratio: 16.00 to 1
    • Curb weight: 3,733kg (8,229lbs)
    • Engine bore x stroke: 103.0mm x 99.0mm (4.06" x 3.90")
    • Engine displacement: 6.6 L
    • Engine torque: 975 lb.-ft. @ 1,600RPM
    • Exterior body width: 2,079mm (81.8")
    • Exterior height: 2,027mm (79.8")
    • 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")
    • GVWR: 5,148kg (11,350lbs)
    • Payload: 1,398kg (3,083lbs)
    • 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")
    • Towing capacity: 8,391kg (18,500lbs)
    • Turning radius: 8.0m (26.3')
    • Wheelbase: 4,039mm (159.0")
    • Appearance: digital/analog
    • Auto high-beam headlights
    • Blind spot: Trailer Side Blind Zone Alert warning
    • Compass
    • Configurable
    • Delay-off headlights
    • Exterior parking camera cargo
    • Exterior parking camera front
    • Exterior parking camera left
    • Exterior parking camera rear: HD Rear Vision Camera w/Hitch View yes
    • Exterior parking camera right
    • Front fog lights
    • Front reading lights
    • Fully automatic headlights
    • Heads up display
    • Lane departure: Lane Departure Warning warning
    • Low tire pressure warning
    • Oil pressure gauge
    • Outside temperature display
    • Parking sensors: UltraSonic 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: Forward Collision Alert with Automatic Braking mitigation
    • Front pedestrian detection: prevention
    • Ignition disable
    • Occupant sensing airbag
    • Overhead airbag
    • Panic alarm
    • Perimeter/approach lights
    • Rear collision: Rear Cross-Traffic Alert warning
    • Security system
    • Traction control
    Test drive this vehicle today at Regal Honda Acura GMC, located at 2615 Lakeland Hills Blvd in Lakeland next to Publix Field at Joker Marchant Stadium. Call (863) 204-4505 or (863) 204-4505 to schedule an appointment or get more information.

    - Power-Retractable Black Assist Steps includes LED lighting
    - Thunderstorm Gray
    - Engine Block Heater
    - Alternator, 220 AMP
    - AT4 PREMIUM PLUS PACKAGE
    - TRAILER TIRE PRESSURE MONITOR SENSORS
    - GOOSENECK / 5TH WHEEL PREP PACKAGE -- HITCH PLATFORM TO ACCEPT GOOSENECK OR 5TH WHEEL HITCH

    This 2025 GMC Sierra 2500HD AT4 is a true workhorse, built to handle the toughest jobs with confidence and capability. Powered by the robust Duramax 6.6L V8 Turbodiesel engine, this Sierra delivers an impressive 470 horsepower and 975 lb-ft of torque, giving you the muscle to tow, haul, and conquer any terrain.

    The AT4 trim level takes the Sierra's off-road prowess to the next level, with features like the X31 Off-Road Package, Hill Descent Control, and an advanced 4-Wheel Drive system. Whether you're navigating rugged job sites or exploring the great outdoors, this Sierra AT4 is up for the challenge.

    Inside, you'll find a wealth of premium amenities, including a Bose Premium 7-Speaker Sound System, Heated and Ventilated Front Seats, and a Multicolor 15" Diagonal Head-Up Display. The spacious cabin offers ample room for both work and play, with the convenience of features like Wireless Charging and the In-Vehicle Trailering System App.

    For those who demand the ultimate in capability and comfort, this 2025 GMC Sierra 2500HD AT4 is the perfect choice. Experience the power and versatility of this exceptional truck for yourself schedule a test drive today.

    The GMC Certified Pre-Owned program provides added peace of mind, with benefits that include:

    - 172 Point Inspection
    - Roadside Assistance
    - Warranty Deductible: $0
    - Transferable Warranty
    - Vehicle History
    - Limited Warranty: 12 Month/12,000 Mile (whichever comes first) from certified purchase date
    - Powertrain Limited Warranty: 72 Month/100,000 Mile (whichever comes first) from original in-service date
    - 24 months/24,000 miles (whichever comes first) Certified Pre-Owned Scheduled Maintenance Plan and 3 days/150 miles (whichever comes first) Vehicle Exchange Program
    - SiriusXM 3-month trial subscription

    Why Buy from Regal?

    Regal Pre-Owned Advantage:
    Every vehicle is safety inspected by an ASE Certified technician
    Detailed reconditioning process that can take up to 6 hours
    Most vehicles include a 60-day or 2,000-mile warranty
    Free trade appraisal in about 15 minutes
    Special financing available for all credit situations

    The Regal Automotive Group has proudly served Lakeland and Polk County drivers for nearly 50 years. Visit us today and experience a straightforward buying experience from a team committed to helping you find the right vehicle. car or truck may be modified from the factory settings. Some items may not be covered under warranty. Call dealer for details.

    Peace of mind

    vehicle history report

    Vehicle history report

    • Title information
    • Odometer readings
    • Accident data (if applicable)
    • Service history
    • Vehicle usage
    • Recall information (if applicable)
    • Warranty status
    Free CarFax report

    Optional add-on protection

    • GAP Protection
    • Lifetime Powertrain
    • Tires and Wheels
    • Paint Protection

    A name you can trust

    Regal Kia is dedicated to your satisfaction before, during, and after your purchase. We'll go the extra mile to take care of you.
    More about us

    KBB.com Consumer Reviews

    Kelley Blue Book Logo0.0out of 5 overall
      Price is plus tax, tag, title, any dealer-installed accessories, dealer fee of $989 and Electronic Registration Filing Fee of $299, which charges represent costs and profits to the dealer for items such as inspecting, cleaning, and adjusting vehicles and preparing documents related to the sale. All advertised pricing is on in-stock units only and is inclusive of all applicable manufacturer offers and may not be combined with other exclusive offers. All payment quotes received assumes that taxes and fees will be paid at the time of sale by the customer in addition to the down payment amount stated or shown. Certain offers presume financing through the Manufacturer Captive Lender, subject to approved credit. Should you purchase the vehicle through the use of other funds, or through other lending sources, certain offers may be excluded. See dealer for complete details.