2026 GMC Sierra 2500 HD

Condition New
Exterior Black
Transmission Automatic
Drive Train Four-wheel Drive
Trim AT4
Engine Gasoline
6.6L V8
Brakes 4-Wheel Anti-Lock Brakes

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2026 Sierra 2500 HD

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Vehicle Overview

Bold Onyx Black, ready for everyday adventures

Meet the 2026 AT4 in sleek Black — rugged capability wrapped in premium comfort. With full-time 4WD, locking differential and advanced traction/stability systems, this truck is built to conquer tough terrain. Inside you'll find leather heated and cooled power seats with lumbar support, a heated leather steering wheel, panoramic power sunroof, and a premium nav system with subwoofer for road-trip-ready comfort. Convenience and security come standard too: keyless entry, remote start with climate control, automatic headlights, heated mirrors, and a vehicle anti-theft system. Backed by a 3-year/36K basic and 5-year/100K powertrain warranty, the 2026 AT4 is ready — schedule your test drive today.
  • Checkmark Bold, head-turning presence
  • Checkmark Sleek, road-dominating silhouette
  • Checkmark Rugged, confidence-inspiring ride
  • Checkmark Luxurious, everyday practicality

Vehicle Equipment

  • Checkmark
    4WD/AWD
  • Checkmark
    Vehicle Stability Control System
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    Air Conditioning
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    Driver Airbag
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    Navigation Aid
Included Options
Power Sunroof
Standard Equipment
Child Safety Door Locks
Vehicle Anti-Theft
4WD/AWD
ABS Brakes
Locking Differential
Traction Control
Vehicle Stability Control System
Driver Airbag
Front Side Airbag
Front Side Airbag With Head Protection
Front Side Airbag With Head Protection
Passenger Airbag
Electronic Parking Aid
Keyless Entry
Remote Ignition
Air Conditioning
Separate Driver/Front Passenger Climate Controls
Cruise Control
Tachometer
Heated Steering Wheel
Leather Steering Wheel
Steering Wheel Mounted Controls
Tire Pressure Monitor
Trip Computer
AM/FM Radio
Navigation Aid
Subwoofer
Driver Multi-Adjustable Power Seat
Front Cooled Seat
Front Heated Seat
Front Power Lumbar Support
Leather Seat
Passenger Multi-Adjustable Power Seat
Automatic Headlights
Daytime Running Lights
Full Size Spare Tire
Power Windows
Heated Exterior Mirror
Electrochromic Interior Rearview Mirror
Anti-Brake System
4-Wheel ABS
Steering Type
R&P
Front Brake Type
Disc
Rear Brake Type
Disc
Front Suspension
IND
Rear Suspension
IND
Front Spring Type
Coil
Rear Spring Type
Coil
Tires
Lt275/65r20
Front Headroom
43.00 In.
Rear Headroom
40.10 In.
Front Legroom
44.50 In.
Rear Legroom
43.40 In.
Front Shoulder Room
66.00 In.
Rear Shoulder Room
65.30 In.
Front Hip Room
61.20 In.
Rear Hip Room
60.20 In.
Curb Weight-automatic
7,378 Lbs
Overall Length
250.80 In.
Wheelbase
159.00 In.
Ground Clearance
10.10 In.
Overall Length
250.80 In.
Standard Seating
5

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