This 2025 GMC Sierra 2500HD AT4 delivers premium capability with a powerful 6.6L V8 Diesel Turbocharged engine and 10-speed automatic transmission. Built for serious work and commanding presence, this truck combines rugged Thunderstorm Gray exterior styling with advanced technology and luxurious comfort features that set it apart on any job site or highway.
**Key Features:**
- 6.6L V8 Diesel Turbocharged Engine with 220-Amp Alternator
- Max Trailering Package for enhanced towing capability
- AT4 Premium Plus Package with premium appointments
- Engine Block Heater for cold-weather reliability
- Apple CarPlay and Android Auto with 15" Head-Up Display
- Bose Premium 7-Speaker Sound System with SiriusXM
- Heated and Ventilated Leather Front Seats with 10-Way Power Adjustment
- Advanced Safety Suite: Automatic Emergency Braking, Lane Departure Warning, Rear Cross Traffic Alert
- HD Surround Vision with Bed View Camera and Trailer Camera Provisions
- Wireless Phone Projection and Charging
This AT4 is equipped with an off-road suspension, 2-speed active transfer case, and comprehensive trailering technology including hitch guidance and in-vehicle trailering system app. The spray-on bedliner with GMC logo, heated power mirrors, and LED lighting package enhance both functionality and durability. Inside, you'll find dual-zone automatic climate control, power sunroof, premium floor liners, and OnStar services capability.
Step into this Sierra and experience the perfect balance of work-ready performance and refined comfort. This truck is ready to handle whatever you demand of it. Visit us today to take the wheel.
Used 2025 GMCSierra 2500 HD AT4
- Diesel
- Exterior Color
- Gray
- Interior Color
- Jet Black
- Odometer
- 80,647 miles
- Body/Seating
- Truck Crew Cab/5 seats
- Seats
- 5 seats
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4x4
- Engine
- V-8 cyl
- VIN
- 1GT4UPEY1SF231471
- Stock Number
- CT081364
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
- Wheels: 20" High Gloss Black 8 Spokes Aluminum
- Perforated Leather-Appointed Front Seat Trim
- 10-Way Power Driver Seat Adjuster w/Lumbar
- Radio: AM/FM w/Premium GMC Infotainment System
- Front Prem Floor Liners w/Removable Carpet Insert
- Spray-On Pickup Bedliner w/GMC Logo
- Pickup Box
- Off-Road High Clearance Step (LPO)
- 220-Amp Alternator
- Engine Block Heater
- Inside Rearview Auto-Dimming Rear Camera Mirror
- SiriusXM w/360L Trial Subscription
- Power Sliding Rear Window w/Defogger
- 10-Way Power Passenger Seat Adjuster w/Lumbar
- Power Front Passenger Windows w/Express Up/Down
- Keyless Open & Start
- Winter Grille Cover
- Rear Prem Floor Liners w/Removable Carpet Insert
- Gloss Black Header Grille & Grille Insert Bars
- Exhaust Brake
- Heated Driver & Front Outboard Passenger Seats
- Ventilated Driver & Front Passenger Seats
- Heavy-Duty 80 Amp Battery
- Hitch Guidance w/Hitch View
- IntelliBeam Automatic High Beam On/Off
- Trailer Cam Provisions & Trailer Viewing Software
- Ultrasonic Front & Rear Park Assist
- In-Vehicle Trailering System App
- Lane Departure Warning System
- Bed View Camera w/2 Trailer Camera Provisions
- 4-Wheel Disc Brakes
- Apple CarPlay/Android Auto
- Emergency communication system: OnStar
- AM/FM radio: SiriusXM with 360L
- Auto High-beam Headlights
- Compass
- 7 Speakers
- Auto-dimming Rear-View mirror
- Ventilated front seats
- Variably intermittent wipers
- Turn signal indicator mirrors
- Trip computer
- Traction control
- Tilt steering wheel
- Telescoping steering wheel
- Steering wheel mounted audio controls
- Split folding rear seat
- Speed-sensing steering
- Speed control
- Security system
- Remote keyless entry
- Rear window defroster
- Rear step bumper
- Rear seat center armrest
- Rear reading lights
- Rain sensing wipers
- Power windows
- Power steering
- Power passenger seat
- Power driver seat
- Power door mirrors
- Passenger vanity mirror
- Passenger door bin
- Panic alarm
- Overhead console
- Overhead airbag
- Outside temperature display
- Occupant sensing airbag
- Memory seat
- Low tire pressure warning
- Illuminated entry
- Heated steering wheel
- Heated rear seats
- Heated front seats
- Heated door mirrors
- Fully automatic headlights
- Front wheel independent suspension
- Front reading lights
- Front fog lights
- Front dual zone A/C
- Front anti-roll bar
- Dual front side impact airbags
- Dual front impact airbags
- Driver vanity mirror
- Driver door bin
- Delay-off headlights
- Bumpers: body-color
- Brake assist
- Automatic temperature control
- Auto-dimming door mirrors
- Alloy wheels
- ABS brakes
- Voltmeter
- Tachometer
- Front Center Armrest
- Electronic Stability Control
- Air Conditioning
- Preferred Equipment Group 4SB
- AT4 Preferred Package
- AT4 Premium Plus Package
- Technology Package
- Electric Rear-Window Defogger
- 120-Volt Instrument Panel Power Outlet
- 2 Charge-Only Rear USB Ports
- Power Sunroof
- Deep-Tinted Glass
- LED Smoked Amber Roof Marker Lamps
- LED Cargo Area Lighting
- Rear Wheelhouse Liners
- Gooseneck/5th Wheel Prep Package
- Max Trailering Package
- Skid Plates
- Off-Road Suspension
- 2-Speed Active Transfer Case
- Driver Memory
- Push Button Start
- Remote Vehicle Starter System
- Front Rain-Sensing Wipers
- Floor-Mounted Center Console
- Safety Alert Seat
- Hill Descent Control
- Wireless Charging
- Heated 2nd Row Outboard Seats
- 120-Volt Bed Mounted Power Outlet
- Manual Tilt-Wheel/Telescoping Steering Column
- Sierra HD Pro Safety
- Wireless Phone Projection
- ProGrade Trailering System
- Buckle to Drive
- 2 Charge/Data USB Ports Inside Center Console
- 2 USB Ports
- OnStar Services Capable
- Following Distance Indicator
- Forward Collision Alert
- Rear Cross Traffic Alert
- Universal Home Remote
- Automatic Emergency Braking
- Steering Wheel Audio Controls
- Front Pedestrian Braking
- Trailer Side Blind Zone Alert
- Bose Premium 7-Speaker Sound System
- Unauthorized Entry Theft-Deterrent System
- HD Surround Vision
- Multicolor 15" Diagonal Head-Up Display
- X31 Off-Road Package
- Front Bucket Seats
Standard 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
- 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): 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
- Engine displacement: 6.6 L
- 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")
- 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: 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
- AT4 Preferred Package
- Power Sunroof
- Technology Package
- Gooseneck/5th Wheel Prep Package
- Multicolor 15" Diagonal Head-Up Display
- Universal Home Remote
- LED Smoked Amber Roof Marker Lamps
- Sierra HD Pro Safety
- Safety Alert Seat
- Rear Cross Traffic Alert
- Trailer Side Blind Zone Alert
- Wireless Phone Projection
- Bose Premium 7-Speaker Sound System
- Floor-Mounted Center Console
- Electric Rear-Window Defogger
- Push Button Start
- Remote Vehicle Starter System
- OnStar Services Capable
- 120-Volt Instrument Panel Power Outlet
- 120-Volt Bed Mounted Power Outlet
- 2 Charge-Only Rear USB Ports
- 2 USB Ports
- 2 Charge/Data USB Ports Inside Center Console
- HD Surround Vision
- Heated 2nd Row Outboard Seats
- Deep-Tinted Glass
- Steering Wheel Audio Controls
- LED Cargo Area Lighting
- Manual Tilt-Wheel/Telescoping Steering Column
- Unauthorized Entry Theft-Deterrent System
- Wireless Charging
- Rear Wheelhouse Liners
- Front Rain-Sensing Wipers
- X31 Off-Road Package
- ProGrade Trailering System
- 2-Speed Active Transfer Case
- Forward Collision Alert
- Following Distance Indicator
- Front Pedestrian Braking
- Buckle to Drive
- Automatic Emergency Braking
- Driver Memory
- Hill Descent Control
- Skid Plates
- Off-Road Suspension
Dealer Notes
KBB.com Consumer Reviews
* The advertised price does not include sales tax, vehicle registration fees, other fees required by law or finance charges. Excludes $899 Document Fee and $98 Electronic Document Fee.
* Images, pricing and options shown are examples, only, and may not reflect exact vehicle color, trim, options, pricing or other specifications.
* While we make every effort to ensure the data listed here is correct, there may be instances where some of the pricing, options or vehicle features may be listed incorrectly as we get data from multiple data sources. Some models may have a market adjustment price, not displayed on the website. Please confirm the details of this vehicle with the dealer to ensure its accuracy. Dealer can not be held liable for data that is listed incorrectly.
* Images, pricing and options shown are examples, only, and may not reflect exact vehicle color, trim, options, pricing or other specifications.
* While we make every effort to ensure the data listed here is correct, there may be instances where some of the pricing, options or vehicle features may be listed incorrectly as we get data from multiple data sources. Some models may have a market adjustment price, not displayed on the website. Please confirm the details of this vehicle with the dealer to ensure its accuracy. Dealer can not be held liable for data that is listed incorrectly.