Meet the 2021 GMC Sierra 2500HD AT4, a heavy-duty truck engineered to handle serious work and deliver commanding presence on any road. This black powerhouse combines rugged capability with premium comfort, making it an exceptional choice for those who demand both performance and refinement.
- Duramax 6.6L V8 Turbodiesel engine with 445 hp and 910 lb-ft of torque
- 10-Speed Automatic transmission with 4WD
- AT4 Premium Plus Package with premium features and enhancements
- Gooseneck/5th Wheel Package with bed view camera and trailer camera provisions
- Power-retractable black assist steps with LED lighting
- Heated and ventilated front bucket seats with leather interior
- Power sunroof and power driver/passenger seats with memory functions
- Premium GMC Infotainment System with Apple CarPlay and Android Auto
- Blind spot monitor, lane departure warning, and forward collision alert
- Multicolor 15" head-up display with 8" driver information center
- Ultrasonic front and rear park assist with HD surround vision
- Alloy wheels with new tires
- Rear backup camera and bed view camera system
The Sierra's turbocharged diesel engine delivers the torque you need for towing and hauling, while the heavy-duty front spring and camper package provides the structural support for demanding applications. At 95,756 miles, this truck shows responsible use and remains well within its operational prime, backed by the durability GMC diesel owners trust.
Inside, the cabin reflects AT4's commitment to comfort during long drives. Leather seating surfaces, heated and ventilated front seats, and a heated steering wheel create an environment focused on driver and passenger wellbeing. The power sunroof adds natural light and ventilation, while dual-zone automatic climate control keeps everyone comfortable regardless of conditions.
Technology integration throughout the Sierra prioritizes both connectivity and safety. The premium infotainment system responds to your smartphone through Apple CarPlay and Android Auto, keeping you connected without distraction. The blind spot monitor, lane departure warning system, and forward collision alert work together as active safety layers. The multicolor head-up display projects essential information directly into your line of sight, reducing the need to look away from the road.
The truck bed is equipped with a spray-on liner featuring the AT4 logo, protecting your cargo investment while maintaining the truck's aesthetic. The bed view camera combined with trailer camera provisions transforms backing up and hitchingâ"critical features when precision matters. Wireless phone projection and a 4G LTE Wi-Fi hotspot capable system ensure you stay connected wherever the road takes you.
This 2021 Sierra 2500HD AT4 represents a significant investment in capability, comfort, and reliability. We invite you to schedule a test drive and experience firsthand how this truck responds to both highway cruising and off-road demands.
2021 GMC Sierra 2500HD AT4 Truck
- Used
- Diesel
$55,850Retail Value
$54,012Grand Strand Price
The overview
- Exterior Color
- Onyx Black
- Interior Color
- Jet Black With Kalahari Accents
- Odometer
- 95,756 miles
- Body/Seating
- Truck/5 seats
- Seats
- 5 seats
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4WD
- Engine
- Duramax 6.6L V8 Turbodiesel
- VIN
- 1GT49PEY5MF258936
- Stock Number
- N26661A
The highlights
- Leather upholstery
- Automatic temperature control
- 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
- Remote keyless entry
The full specifications
- 1-touch down
- 1-touch up
- Air conditioning
- Auto-dimming rearview mirror
- Automatic temperature control
- Driver door bin
- Driver vanity mirror
- 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: Android Auto/Apple CarPlay
- Steering wheel mounted audio controls
- 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
- 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
- Left rear passenger door: conventional
- Power door mirrors
- Rear cargo: tailgate
- Rear step bumper
- Right rear passenger: conventional
- Skid plates
- Trailer hitch receiver
- Trailer sway control
- Turn signal indicator mirrors
- 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
Notes from the dealer
Peace of mind
Vehicle history report
- Title information
- Odometer readings
- Accident data (if applicable)
- Service history
- Vehicle usage
- Recall information (if applicable)
- Warranty status
A name you can trust
Grand Strand Nissan is dedicated to your satisfaction before, during, and after your purchase. We'll go the extra mile to take care of you.
More about us
Grand Strand Nissan has been serving our local community under the same ownership since 1994 and several of our current staff members and managers have been with us since 1998. Because of this feat, we have a long-running commitment to every customer that walks through our doors. We want to ensure you have a fantastic experience at our dealership that's unlike any other you've had before. **** Our goal is to provide the same rich, satisfying experience online that you will receive in our dealership. We pride ourselves in delivering better customer service and we guarantee you wont find a better deal anywhere. At Grand Strand Nissan you don't have to worry about gimmicks or hidden costs. **** PLEASE contact our Internet Sales Team for a professional, no pressure purchase experience or stop by and check out the great selection in person. Thank you for shopping Grand Strand Nissan. *Pricing Excludes tax, tag registration, and dealer closing fee. Photos may not represent actual vehicle. Options, colors, trims and body style may vary. See dealer for complete details.
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