2026 GMC Sierra 2500HD

Condition New
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 2500HD

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Vehicle Overview

Meet the 2026 AT4 — where rugged capability meets refined comfort. Dressed in a sleek black interior, this pickup features true off-road readiness with 4WD, locking differential, traction and stability control, plus LT275/65R20 tires and 10.1" ground clearance. Inside you’ll enjoy premium touches like leather heated & cooled front seats, a heated leather steering wheel, power sunroof, dual-zone climate with remote start, and built-in navigation. Safety and peace of mind come standard: comprehensive airbags, ABS, child safety locks, vehicle anti-theft and a full-size spare — backed by industry-leading warranties (36/36 basic, 60/100 powertrain, 72/100 rust). Ready to take it for a spin? Call or stop by today and let me show you what the AT4 can do.

Vehicle Equipment

Included Options
Electronic Parking Aid
Front Cooled Seat
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
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
Driver Multi-Adjustable Power 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
7,195 Lbs
Overall Length
266.80 In.
Wheelbase
172.00 In.
Ground Clearance
10.10 In.
Overall Length
266.80 In.
Standard Seating
6

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