Fairfields Autos, located in beautiful Keene, NH, and serving the New Hampshire, Vermont, Massachusetts, and New England region. Our experienced sales staff is eager to share its knowledge and enthusiasm with you. Theyll work with you to find the right vehicle at a price you can afford. Come on in and take a test drive! Please call (603) 352-7700.
This 2025 GMC Sierra 3500HD Denali Ultimate 4WD is the pinnacle of heavy-duty luxury and capability, powered by the legendary Duramax 6.6L V8 Turbodiesel paired with a 10-speed automatic transmission. Finished in a sleek Black exterior with a premium Denali Ultimate leather interior, this truck delivers unmatched towing confidence, advanced technology, and top-tier comfort.
Equipped with standout capability and upfitter-ready features including:
Gooseneck / 5th Wheel Prep Package
Snow Plow Prep / Camper Package
Upfitter Switch Kit (5 switches)
High Idle Switch
Body-Color Wheel Arch Moldings (LPO)
Premium Front Floor Liners with Removable Carpet Inserts
ProGrade Trailering System
Trailer Camera Provisions
Trailer Tire Pressure Monitoring Sensors
Luxury Denali Ultimate interior highlights include:
Full-grain leather seating
Heated & ventilated front seats
Heated rear outboard seats
Massaging front seats
Bose Premium Series 12-speaker audio
13.4" GMC Premium Infotainment Display
15" Multicolor Head-Up Display
Wireless Apple CarPlay & Android Auto
Wireless charging
HD Surround Vision
Bed View Camera
Advanced safety and driver-assist technology includes:
Automatic Emergency Braking
Forward Collision Alert
Front Pedestrian Braking
Safety Alert Seat
Lane Keep Assist
Rear Cross-Traffic Alert
Front & Rear Park Assist
Driver Monitoring Technology
This Sierra has also been recently serviced and inspected, including:
Pre-delivery inspection completed, air filter replaced, cabin air filter replaced/cleaned, cooling fan clutch replaced, engine/powertrain module checked, fuel filter replaced, emissions or safety inspection performed, oil and filter changed, rear brake pads replaced, rear brake rotors replaced, windshield replaced and calibrated, and wipers replaced.
Whether you're towing heavy equipment, outfitting a work fleet vehicle, or driving one of the most luxurious heavy-duty trucks on the market, this Denali Ultimate 3500HD delivers capability without compromise.
Stop in today and experience it for yourself at Fairfield's Autos in Keene, NH.
2025 GMC Sierra 3500 HD Denali Ultimate
- Pre-Owned
- Diesel
The overview
- Exterior Color
- Onyx Black
- Interior Color
- Alpine Umber
- Odometer
- 54,486 miles
- Body/Seating
- Truck Crew Cab/5 seats
- Transmission
- 10 speed automatic
- Drivetrain
- 4x4
- Engine
- 8
- VIN
- 1GT4UYEYXSF150815
- Stock Number
- G26287A
The highlights
- Lane departure
- Leather upholstery
- Automatic temperature control
- 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
- Heads up display
The full 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
- 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
- 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: brand
- Speakers: 12
- Steering wheel mounted audio controls
- Wireless Phone Charger: front
- Wireless phone connectivity
- Front center armrest
- Front seats: bucket
- Genuine wood dashboard insert
- Genuine wood door panel insert
- Heated front seats
- Heated rear seats
- Leather steering wheel
- Leather upholstery
- Max seating capacity: 5
- Power 4-way driver lumbar support
- Power 4-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
- Ground clearance (min): 284mm (11.2")
- Auto-dimming door mirrors
- Bedliner
- Bumpers: body-color
- Door mirrors: chrome
- 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: 3,780kg (8,333lbs)
- 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: 2,053mm (80.8")
- 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: 5,488kg (12,100lbs)
- Payload: 1,691kg (3,729lbs)
- 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: 9,072kg (20,000lbs)
- 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
- Heads up display
- 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
Notes from the dealer
Track your progress
Peace of mind
Vehicle history report
- Title information
- Odometer readings
- Accident data (if applicable)
- Service history
- Vehicle usage
- Recall information (if applicable)
- Warranty status
Optional add-on protection
- GAP Protection
- Lifetime Powertrain
- Tires and Wheels
- Paint Protection
A name you can trust
Fairfield Kia is dedicated to your satisfaction before, during, and after your purchase. We'll go the extra mile to take care of you.
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