Highlights
- 6.6L Duramax Turbo-Diesel V8 engine
- 470 horsepower and 975 lb-ft of torque
- 10-speed automatic transmission
- 4x4 drivetrain with off-road capabilities
Options
Safety:
- Exhaust Brake
- Hill Descent Control
- Multimatic DSSV dampers
- Front and rear electronic locking differentials
- Off-road-focused tires
Comfort:
- Obsidian Rush full-grain leather seating
- Heated and ventilated front seats
- Heated rear outboard seats
- Heated steering wheel
- Power-adjustable front seating
- Driver memory
- Dual-zone automatic climate control
Technology:
- 13.4-inch GMC Premium Infotainment touchscreen
- Google built-in compatibility
- Wireless Apple CarPlay and Android Auto
- 12.3-inch digital Driver Information Centre
- 15-inch multicolour Head-Up Display
- Bose premium audio
- Wireless device charging
Features
- Gooseneck/5th Wheel Prep Package
- High Idle Switch
- Engine Block Heater
- Coastal Dune exterior finish
- Spacious Crew Cab rear seating
- Premium interior materials
Why Choose This Vehicle?
This 2026 GMC Sierra 2500HD AT4X offers a unique combination of extreme off-road capability, powerful diesel performance, and luxurious comfort. It is ideal for those who need a versatile truck that can handle heavy-duty tasks, off-road adventures, and long-distance travel with ease.