Highlights
- Heavy-duty diesel strength and 4x4 capability
- Premium comfort and off-road design
- Advanced safety features and technology
- Spacious cabin with sunroof and heated seats
Options
Safety:
- Dual-stage frontal airbags
- Seat-mounted side-impact airbags
- Head-curtain airbags
- Front and Rear Park Assist
- Rear Cross Traffic Alert
- Teen Driver configurable feature
- StabiliTrak stability control
- Daytime Running Lamps
- Hitch Guidance
- Rear Seat Belt Indicator
- Tire Pressure Monitoring System
- Safety Alert Seat
- Trailer Side Blind Zone Alert
- Hitch Guidance with Hitch View
- Front Pedestrian Braking
- Automatic Emergency Braking
- Forward Collision Alert
- Following Distance Indicator
- Lane Departure Warning
- Buckle to Drive
- OnStar Services
Comfort:
- Heated driver and front outboard passenger seats
- Ventilated driver and front passenger seats
- Heated second row outboard seats
- Dual-zone automatic climate control
- Power-adjustable vertical trailering mirrors
- Heated steering wheel
- Power front and rear windows
- Remote vehicle starter system
- Keyless Open and Start
- Wireless Charging
- USB Ports
- Premium Floor Liners
Technology:
- 13.4” diagonal Premium GMC Infotainment System
- Google built-in apps
- Wireless Android Auto and Apple CarPlay
- Bose Sound System
- Bluetooth for phone connectivity
- Wi-Fi Hotspot
- Head-Up Display
- Adaptive Cruise Control
- Driver Information Centre
- Rear Camera Mirror
- In-Vehicle Trailering App
Features
- Off-road focused heavy-duty truck design
- Four-wheel drive for added traction
- Diesel V8 power for tough jobs
- Elevated ride for rugged capability
- Heavy-duty pickup built for demanding tasks
- Four-door cabin adds everyday practicality
- Spacious cabin supports work and travel
- Black interior creates a clean look
- Sunroof adds light and open-air feel
- Engine block heater for cold starts
- Head-Up Display shows key driving data
- Modern controls support daily ease
- Useful displays enhance driving awareness
- Pickup bed supports gear and equipment
- Heavy-duty design suits larger loads
- Cargo tie downs
- CornerStep, rear bumper
- LED Signature Tail, Stop, turn and Reverse lamps
- Tailgate, GMC MultiPro Tailgate
- Bedliner, Spray-on, Pickup bedliner
Why Choose This Vehicle?
This 2026 GMC Sierra 2500HD AT4 is perfect for drivers who need real capability without giving up comfort. Its 6.6L Turbocharged Diesel V8 delivers the kind of low-end torque that suits towing, hauling, and demanding jobsite use. Paired with an automatic transmission and four-wheel drive, this truck is ready for changing road conditions in Dartmouth and beyond.