ALL VEHICLES SUBJECT TO A $225 DEALER DOC FEE. NEW VEHICLES PRE-LOADED WITH OUR VIP PACKAGE FOR $2995. THIS INCLUDES 1 YEAR OIL CHANGES AND TIRE ROTATIONS. ONE YEAR INTERIOR AND EXTERIOR PROTECTION. WINDOW TINT, ALL-WEATHER FLOOR MATS, AND WHEEL LOCKS. 1 YEAR THEFT PROTECTION. LIFETIME POWERTRAIN WARRANTY* SOME EXCLUSIONS APPLY TO THE LIFETIME WARRANTY
- 6.6L V8 Diesel Turbocharged (Duramax) (B20-Diesel Compatible) (Includes (K05) Engine Block Heater) (470 hp [350.5 kW] @ 2800 rpm, 975 lb-ft of torque [1322 Nm] @ 1600 rpm)
- 12 Speakers
- Bose Premium Series 12-Speaker System
- Premium audio system: Premium GMC Infotainment System
- 120-Volt Bed Mounted Power Outlet
- 120-Volt Instrument Panel Power Outlet
- Heads-Up Display
- Off-Road Suspension
- Auto-dimming Rear-View mirror
- Automatic Emergency Braking
- Bed View Camera with Two Trailer Camera Provisions
- Forward Collision Alert
- Front Pedestrian Braking
- HD Surround Vision
- Heated steering wheel
- Inside Rearview Auo-Dimming Rear Camera Mirror
- Multicolor 15 Diagonal Head-Up Display
- Rear Cross Traffic Alert
- Trailer Cam Provisions and Trailer Viewing Software
- Trailer Side Blind Zone Alert
- Ultrasonic Front and Rear Park Assist
- Wireless Charging
This 2026 GMC Sierra 2500HD AT4X in Sterling Metallic is packed with premium features and capabilities that elevate the driving experience. Powered by a robust 6.6L V8 Diesel Turbocharged (Duramax) engine, this truck delivers exceptional performance and towing capacity. The off-road-focused AT4X trim level ensures you can tackle any terrain with confidence, thanks to its specialized suspension and advanced 4WD system.
Inside, you'll find a wealth of cutting-edge technology, including a Bose premium audio system, a large heads-up display, and a suite of advanced safety features like Automatic Emergency Braking and HD Surround Vision. The cabin is also equipped with luxurious touches like heated and ventilated seats, a heated steering wheel, and wireless charging for your mobile devices.
Whether you're hauling heavy loads, navigating rugged trails, or simply enjoying the open road, this 2026 GMC Sierra 2500HD AT4X is the ultimate companion. Visit our showroom today to experience its unparalleled capabilities and premium refinements firsthand.
2026 GMC Sierra 2500 HD AT4X
- New
- Diesel
$99,465MSRP
$88,524Featured Price
Vanguard GMC of Carrollton
Call 469-521-7652
We’re here to help
The overview
- Exterior Color
- Sterling Metallic
- Interior Color
- Obsidian Rush, Full Grain Leather seat trim
- Body/Seating
- Truck/5 seats
- Transmission
- Automatic
- Drivetrain
- 4WD
- Engine
- 6.6L Duramax Turbo-Diesel V8 engine
- VIN
- 1GT4UZEY5TF311577
- Stock Number
- TF311577
The highlights
- Lane departure
- Leather upholstery
- Automatic temperature control
- Emergency communication system
- Power moonroof
- Premium audio system
- Wireless phone connectivity
- Parking sensors
- Exterior parking camera front
- Exterior parking camera left
- Exterior parking camera right
- Exterior parking camera rear
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
- 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 tires: 305/70RR18.0E
- Front wheel independent suspension
- Power steering
- Rear tires: 305/70RR18.0E
- Single rear wheels
- Speed-sensing steering
- Wheel size: 18"
- 1st row LCD monitors: 2
- AM/FM radio: SiriusXM with 360L
- Premium audio system: Premium GMC Infotainment System
- Primary LCD size: 13.4"
- Satellite radio trial duration with new vehicle purchase (months): 3
- Smart device integration: Apple CarPlay/Android Auto
- Speaker type: Bose Performance Series
- Speakers: 12
- Steering wheel mounted audio controls
- Turn-by-turn navigation directions: OnStar Turn-by-Turn Navigation
- Wireless Phone Charger: front
- Wireless phone connectivity: Bluetooth
- Basic warranty: 36 months/36,000miles
- Corrosion perforation warranty: 72 months/100,000miles
- Diesel engine warranty: 60 months/100,000miles
- Maintenance warranty: 12 months/ unlimited distance
- Powertrain warranty: 60 months/60,000miles
- Roadside assistance coverage: 60 months/60,000miles
- Front center armrest
- Front seats: bucket
- 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
- Electric motor 1 torque: none
- Electric motor horsepower: none
- Engine liters: 6.6L
- Engine location: front
- Fuel tank capacity: 36.0gal.
- Horsepower: 470hp @ 2,800RPM
- Hybrid electric powertrain type: none
- Hybrid system combined power torque: none
- Hybrid system net power: none
- 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
- Approach angle: 32 deg
- Departure angle: 26 deg
- Ground clearance (min): 295mm (11.6")
- Ramp breakover angle: 21 deg
- Auto-dimming door mirrors
- Bedliner
- 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: 3,717kg (8,195lbs)
- 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: 2,100mm (82.7")
- Exterior length: 6,369mm (250.8")
- Front headroom: 1,013mm (39.9")
- 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: 1,411kg (3,111lbs)
- 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: 7.9m (25.9')
- 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
- Tracker system: Stolen Vehicle Assistance
- Traction control
Notes from the dealer
Peace of mind
Factory warranty
36 months/36,000miles from the vehicle's original in-service date
A name you can trust
Vanguard GMC of Carrollton is dedicated to your satisfaction before, during, and after your purchase. We'll go the extra mile to take care of you.
More about usKBB.com Consumer Reviews
“Vehicle pricing includes all offers and incentives. Tax, title, $225 document preparation fee and License as well as Dealer Installed Options are not included in vehicle pricing and must be paid by the purchaser. Residency restrictions apply. See dealer for details.”
*While every reasonable effort is made to ensure the accuracy of this information, we are not responsible for any errors or omissions contained on these pages. Please verify any information in question with Vanguard Automotive Group.
Vehicle pricing includes all offers and incentives. Tax, title, $225 document preparation fee and License as well as Dealer Installed Options are not included in vehicle pricing and must be paid by the purchaser. Residency restrictions apply. See dealer for details.
*While every reasonable effort is made to ensure the accuracy of this information, we are not responsible for any errors or omissions contained on these pages. Please verify any information in question with Vanguard Automotive Group.