
2025 GMC Sierra 2500HD AT4
- Used
- Diesel
The overview
- Exterior Color
- Gray
- Interior Color
- Jet Black
- Odometer
- 39,518 miles
- Body/Seating
- Crew Cab Short Bed Truck/5 seats
- Seats
- 5 seats
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4x4
- Engine
- 6.6L V8 32V DDI OHV Turbo Diesel
- VIN
- 1GT4UPEYXSF261021
- Stock Number
- P261021
The highlights
- 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
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
- 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
Notes from the dealer
2025 GMC Sierra 2500HD AT4 4WD Duramax Diesel X31 Off-Road Clean CARFAX One Owner Experience premium luxury without sacrificing heavy-duty capability in this 2025 GMC Sierra 2500HD AT4. Powered by the legendary 6.6L Duramax Turbo Diesel and paired with the Allisonà 10-speed automatic transmission, this Sierra is built for serious towing, off-road adventures, and everyday comfort. Finished in stunning Thunderstorm Gray, it's one of the most desirable heavy-duty trucks on the market. Premier Certified 2025 GMC Sierra 2500HD AT4 4WD is powered by the 6.6L Duramax V8 Turbo Diesel and paired with the Allisonà 10-speed automatic transmission, delivering exceptional power, torque, and confidence whether you're towing heavy equipment or heading off the beaten path. Finished in Thunderstorm Gray, this Clean CARFAX, CARFAX One-Owner Sierra is loaded with Preferred Equipment Group 4SB, the X31 Off-Road Package, premium leather seating, and GMC's latest trailering and safety technology. Key Features Premier Certified Clean CARFAX CARFAX One-Owner 6.6L Duramax Turbo Diesel V8 Allisonà 10-Speed Automatic Transmission 4WD AT4 Premium Off-Road Package X31 Off-Road Package Preferred Equipment Group 4SB Perforated Leather-Appointed Seats with Kalahari Accents Heated & Ventilated Front Seats Heated Rear Outboard Seats Apple CarPlay & Android Auto Wireless Phone Projection Wireless Charging Bose Premium 7-Speaker Audio System HD Surround Vision Camera Bed View Camera with Trailer Camera Provisions Trailer Viewing Software Trailer Side Blind Zone Alert Rear Cross Traffic Alert Safety Alert Seat Front & Rear Park Assist Remote Vehicle Start Spray-On GMC Bedliner LED Cargo Area Lighting 120-Volt Bed Power Outlet 120-Volt Interior Power Outlet Push Button Start 20 High Gloss Black Aluminum Wheels Gloss Black AT4 Grille Performance & Capability Allisonà 10-Speed Automatic Transmission Legendary 6.6L Duramax Turbo Diesel 2-Speed Active Transfer Case X31 Off-Road Suspension 3.42 Rear Axle Ratio Advanced Trailering System HD Surround Vision with Trailer Camera Capability Heavy-Duty Towing & Payload Capability Built for Ranching, Towing, Construction, Off-Roading, and Everyday Driving Why Buyers Love It The 2025 GMC Sierra 2500HD AT4 is the perfect combination of luxury, technology, and heavy-duty performance. The proven Duramax 6.6L Turbo Diesel and Allisonà 10-speed transmission provide outstanding towing confidence, while the AT4 and X31 Off-Road Package deliver exceptional capability wherever the roador trail
Disclaimer:
The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.
1Dealer Discount applied to everyone
1Dealer Discount applied to everyone