Meet the 2025 GMC Sierra 2500HD AT4, a heavy-duty truck built to handle serious work and weekend adventures with confidence and capability.
- Duramax 6.6L V8 Turbodiesel engine with 10-speed automatic transmission
- 4WD with 2-speed active transfer case and off-road suspension
- AT4 Preferred Package and X31 Off-Road Package
- Hill Descent Control for enhanced off-road performance
- Power sliding rear window with defogger
- LED smoked amber roof marker lamps
- Universal home remote
- Bose premium 7-speaker sound system with SiriusXM 360L
- Apple CarPlay and Android Auto connectivity
- HD surround vision with bed view camera and trailer camera provisions
- Heated and ventilated leather front seats with 10-way power adjustment
- Spray-on pickup bedliner with GMC logo
- 20-inch high-gloss black aluminum wheels
- Automatic emergency braking and front pedestrian braking
This Sierra 2500HD arrives with a fresh oil change, ready to serve your demanding needs. The Duramax diesel engine pairs with the 10-speed automatic transmission to deliver the torque and pulling power you expect from a truck in this class. The 4WD system includes a 2-speed active transfer case and off-road-tuned suspension, making this AT4 equally comfortable on pavement and unpaved terrain.
The AT4 Preferred Package elevates your experience with premium features like the universal home remote and those distinctive LED smoked amber roof marker lamps. The X31 Off-Road Package adds Hill Descent Control, giving you additional confidence when tackling steep grades. The power sliding rear window with defogger adds practicality for ventilation and rear visibility.
Inside, the Sierra surrounds you with comfort and technology. The Bose premium sound system pairs with SiriusXM 360L satellite radio to keep you entertained throughout your day. Apple CarPlay and Android Auto keep your smartphone seamlessly integrated, while the wireless charging and multiple USB ports ensure your devices stay powered. The dual-zone climate control, heated and ventilated leather front seats, and heated steering wheel ensure comfort in any season.
Safety and visibility are prioritized throughout the cabin. The automatic emergency braking system, forward collision alert, and front pedestrian braking work together to help protect you and your passengers. The HD surround vision system, bed view camera, and trailer camera provisions make maneuvering and backing up considerably easier. Lane departure warning, rear cross-traffic alert, and ultrasonic park assist round out the comprehensive safety suite.
Practicality extends to every detail. The spray-on bedliner with GMC logo protects your cargo area, while the 3.73 rear axle ratio balances performance and efficiency. LED cargo area lighting illuminates your workspace, and the 120-volt power outlets let you operate tools and devices anywhere. The trailer side blind zone alert and in-vehicle trailering system app make towing more intuitive.
The 2025 Sierra 2500HD AT4 is ready to work as hard as you do. Visit our showroom today to experience this capable truck firsthand and discuss how it can become part of your next chapter.
Pre-Owned 2025 GMCSierra 2500HD AT4 Truck Crew Cab
- Diesel
- Exterior Color
- Black
- Interior Color
- Jet Black
- Odometer
- 28,034 miles
- Body/Seating
- Truck Crew Cab/5 seats
- Seats
- 5 seats
- Transmission
- Automatic
- Drivetrain
- 4WD
- Engine
- 8
- VIN
- 1GT1UPEY4SF253760
- Stock Number
- AP5445
Highlighted Features
- Lane departure
- Leather upholstery
- Automatic temperature control
- Emergency communication system
- 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
Included Packages & Accessories
- Engine: Duramax 6.6L Turbo-Diesel V8
- Capped Fuel Fill
- 220-Amp Alternator
- Dual Heavy-Duty 70 Amp Battery
- Winter Grille Cover
- Exhaust Brake
- Engine Block Heater
- GVWR: 11,350 lbs
- 3.42 Axle Ratio
- Transmission: Allison 10-Speed Automatic
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
- Emergency communication system: OnStar
- 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: 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
- 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
Standard Features
- Capped Fuel Fill
- 220-Amp Alternator
- Dual Heavy-Duty 70 Amp Battery
- Winter Grille Cover
- Exhaust Brake
- Engine Block Heater
- GVWR: 11,350 lbs
- 3.42 Axle Ratio
- Transmission: Allison 10-Speed Automatic
Dealer Notes
*The advertised price does not include sales tax, vehicle registration fees, finance charges, and any other fees required by law. Price INCLDUES $490 PA documentation fee. We attempt to update this inventory on a regular basis. However, there can be lag time between the sale of a vehicle and the update of the inventory. Although every reasonable effort has been made to ensure the accuracy of the information contained on this site, absolute accuracy cannot be guaranteed. This site, and all information and materials appearing on it, are presented to the user "as is" without warranty of any kind, either express or implied. All vehicles are subject to prior sale.