2026 GMC Sierra 2500 HD

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

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2026 Sierra 2500 HD

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Vehicle Overview

Bold four-wheel-drive SUV with premium comfort.

Meet the 2026 AT4 in Dark Gray — where rugged capability meets premium comfort. Built for work, play and everything in between, it comes standard with 4WD, a locking differential, stability/traction control and ABS for confident handling, plus LT305/70R18 tires and 11.6" ground clearance for real-world capability. Inside you’ll find leather heated/cooled front seats with power lumbar and multi-adjust, a heated leather steering wheel, power sunroof, navigation and a premium subwoofer — plus keyless entry and remote ignition with climate control for instant comfort. Top-tier safety and security are standard too, with multiple airbags, vehicle anti-theft features and a full-size spare, backed by strong warranties (36/36 basic, 60/100 powertrain, 72/100 rust). Ready to see it? Schedule your test drive today.
  • Checkmark Bold head-turning ride
  • Checkmark Sleek luxurious comfort
  • Checkmark Beastly presence commanding
  • Checkmark Head-turning style statement

Vehicle Equipment

  • Checkmark
    4WD/AWD
  • Checkmark
    Navigation Aid
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    Front Heated Seat
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    Leather Seat
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    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
Telescopic Steering Column
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
Power Sunroof
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
Lt305/70r18
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
7,502 Lbs
Overall Length
250.80 In.
Wheelbase
159.00 In.
Ground Clearance
11.60 In.
Overall Length
250.80 In.
Standard Seating
5

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