Summit White AT4 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather.
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Recent Arrival!
Used 2022 GMCSierra 2500 HD AT4
Odometer: 76000 miles
- Exterior Color
- Summit White
- Interior Color
- Jet Black
- Odometer
- 76,000 miles
- Body/Seating
- Truck Crew Cab/5 seats
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4x4
- Engine
- V-8 cyl
- VIN
- 1GT49PEY2NF260936
- Stock Number
- T260936
GMC
Sierra 2500 HD
Highlighted Features
- Leather upholstery
- Automatic temperature control
- Emergency communication system
- Premium audio system
- Wireless phone connectivity
- Front dual zone A/C
- Auto-dimming rearview mirror
- Split folding rear seat
- Memory seat
- Heated front seats
- Ventilated front seats
- Perimeter/approach lights
Included Packages & Accessories
- 3.73 Rear Axle Ratio
- 3.42 Axle Ratio
- 18" Machined Aluminum Wheels
- Wheels: 20" High Gloss Black Painted (LPO) (DISC)
- Wheels: 20" Transit Aluminum
- Perforated Leather-Appointed Front Seat Trim
- Not Equipped w/Heated Steering Wheel (DISC)
- Power Sunroof
- Rear Underseat Storage (LPO)
- Not Equipped w/Heated 2nd Row Outboard Seats
- Power-Retractable Black Assist Steps
- Front License Plate Kit
- Pickup Box
- Not Equipped w/Front & Rear Park Assist
- 220 Amps Alternator
- Engine Block Heater
- Winter Grille Cover
- Exhaust Brake
- Heavy-Duty 80 Amp Battery
- 2 USB Ports (1st Row)
- Lane Departure Warning System
- 4-Wheel Disc Brakes
- Emergency communication system: OnStar and GMC Connected Services capable
- Apple CarPlay/Android Auto
- Premium audio system: Premium GMC Infotainment System
- AM/FM radio: SiriusXM with 360L
- Compass
- 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
- 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 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
- 6 Speakers
- Preferred Equipment Group 4SB
- 10-Way Power Driver Seat Adjuster w/Lumbar
- AT4 Preferred Package
- Driver Alert Package I
- Driver Alert Package II
- Radio: AM/FM w/Premium GMC Infotainment System
- Radio: AM/FM w/Prem GMC Infotainment System & Navi
- Electric Rear-Window Defogger
- Front Prem Floor Liners w/Removable Carpet Insert
- OnStar & GMC Connected Services Capable
- 120-Volt Instrument Panel Power Outlet
- Bed View Camera w/2 Trailer Camera Provisions
- Spray-On Pickup Box Bed Liner w/AT4 Logo
- Deep-Tinted Glass
- LED Smoked Amber Roof Marker Lamps
- LED Cargo Area Lighting
- Ultrasonic Front & Rear Park Assist
- Integrated Trailer Brake Controller
- Gooseneck/5th Wheel Package
- Gooseneck/5th Wheel Prep Package
- Skid Plates
- Off-Road Suspension
- 2-Speed Active Transfer Case
- SiriusXM w/360L
- Driver Memory
- Power Sliding Rear Window w/Defogger
- 10-Way Power Passenger Seat Adjuster w/Lumbar
- GMC Connected Access Capable
- Power Front Passenger Windows w/Express Up/Down
- Power Rear Windows w/Express Down
- Keyless Open & Start
- Power Door Locks
- Power Windows w/Driver Express Up/Down
- Rear Wheelhouse Liners
- Rear Prem Floor Liners w/Removable Carpet Insert
- Remote Vehicle Starter System
- Compass Located In Instrument Cluster
- Floor-Mounted Center Console
- Painted Black Surround Grille
- Safety Alert Seat
- Hill Descent Control
- Wireless Charging
- Heated Driver & Front Outboard Passenger Seats
- 120-Volt Bed Mounted Power Outlet
- 12-Volt Rear Auxiliary Power Outlet
- Heated & Ventilated Front Bucket Seats
- 2 USB Ports
- Electrical Lock Control Steering Column
- Manual Tilt-Wheel/Telescoping Steering Column
- ProGrade Trailering System
- Hitch Guidance w/Hitch View
- IntelliBeam Automatic High Beam On/Off
- In-Vehicle Trailering System App
- 4.2" Diagonal Color Display Driver Info Center
- Following Distance Indicator
- Forward Collision Alert
- Rear Cross Traffic Alert
- Universal Home Remote
- Red Recovery Hooks
- Automatic Emergency Braking
- Steering Wheel Audio Controls
- Lane Change Alert w/Side Blind Zone Alert
- Bose Premium 7 Speaker Sound System
- 6-Speaker Audio System Feature
- 2nd Row Dual USB Charge-Only Ports
- Unauthorized Entry Theft-Deterrent System
- HD Rear Vision Camera
- HD Surround Vision w/2 Trailer View Camera Provisions
- Wi-Fi Hotspot Capable
- Wireless Phone Projection
- X31 Off-Road Package
- Front Bucket Seats
Included Packages & Options
- AT4 Preferred Package$2,075
- Bed View Camera w/2 Trailer Camera Provisions
- HD Surround Vision w/2 Trailer View Camera Provisions
- Universal Home Remote
- Power Sliding Rear Window w/Defogger
- Radio: AM/FM w/Prem GMC Infotainment System & Navi
- Bose Premium 7 Speaker Sound System
- LED Smoked Amber Roof Marker Lamps
- Wireless Charging
- Driver Alert Package I$890
- Ultrasonic Front & Rear Park Assist
- Lane Change Alert w/Side Blind Zone Alert
- Rear Cross Traffic Alert
- Gooseneck/5th Wheel Package$795
- Gooseneck/5th Wheel Prep Package
- Bed View Camera w/2 Trailer Camera Provisions
- Driver Alert Package II$645
- Forward Collision Alert
- Automatic Emergency Braking
- IntelliBeam Automatic High Beam On/Off
- Following Distance Indicator
- Safety Alert Seat
Included Options
- Power Sunroof$995
- Power-Retractable Black Assist Steps$1,895
- 220 Amps Alternator$150
- Engine Block Heater$100
Detailed Specifications
- 1-touch down
- 1-touch up
- Air conditioning
- Auto-dimming rearview mirror
- Automatic temperature control
- Driver door bin
- Driver vanity mirror
- Emergency communication system: OnStar and GMC Connected Services capable
- 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: keyfob
- Remote keyless entry
- Speed control
- 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
- AM/FM radio: SiriusXM with 360L
- Premium audio system: Premium GMC Infotainment System
- Primary LCD size: 8.0"
- Smart device integration: Apple CarPlay/Android Auto
- Steering wheel mounted audio controls
- Turn-by-turn navigation directions: OnStar Turn-by-Turn Navigation
- Wireless phone connectivity: Bluetooth
- Front center armrest
- Front seats: bucket
- Heated front 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
- Standard fuel economy fuel type: gasoline
- 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: 2,023mm (79.7")
- Exterior length: 6,352mm (250.1")
- 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: 1,013mm (39.9")
- 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: 4,037mm (158.9")
- Appearance: analog
- Compass
- Delay-off headlights
- Front fog lights
- Front reading lights
- Fully automatic headlights
- Low tire pressure warning
- Oil pressure gauge
- Outside temperature display
- 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
- Ignition disable
- Occupant sensing airbag
- Overhead airbag
- Panic alarm
- Perimeter/approach lights
- Security system
- Traction control
Dealer Notes
KBB.com Consumer Reviews

Overall3.8Out of 5
- 2.0
Transmission trash
By Jason | on Monday, April 07, 2025
Bought a 2023 GMC Duramax diesel Sierra SLT had it for two years hit 50,000 miles. The throttlebody broke went in for service. Got it back three weeks at 62,000 miles now my transmission is slipping. I travel back-and-forth from South Carolina to North Carolina for work daughter’s truck would be my forever truck. What a joke Hundred thousand dollar truck junk… - 5.0
Fantastic truck
By Jjj | on Sunday, November 07, 2021
This one of the most solid vehicles that I have ever driven! The 401 hp engine is more than enough power and the transmission is smooth! Highly recommend this truck!… - 3.0
Don't judge a truck by the appearance
By jmil | on Wednesday, May 11, 2022
Great truck, loved it until the DEF tank heater malfunctioned and shut down the truck. Now sitting waiting for the replacement tank for over 10 weeks. Turns out every HD truck 2020 and 2021 has the same problem and all will need this replacement that is being produced at a snail's pace by GM. Per the dealership, last count, over 9000 trucks like mine are idle waiting for this part. $65000 waste of money and terrible service by GMC (not the local dealership).…
Based on 13 consumer ratings for 2020–2025 models. | Privacy
Courtesy Transportation Vehicles may have more mileage than standard new vehicle inventory. Contact dealership for more information.
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