This 2023 GMC Sierra 3500HD AT4 in striking white delivers heavy-duty capability paired with premium comfort and technology. Built on the legendary Duramax 6.6L V8 Turbodiesel engine with 10-speed automatic transmission and 4WD, this truck is engineered for serious work and weekend adventure. The AT4 trim offers sophisticated styling and off-road readiness that sets it apart from standard models.

- Duramax 6.6L V8 Turbodiesel with 10-Speed Automatic and 4WD
- ProGrade Trailering System with Integrated Trailer Brake Controller
- X31 Off-Road Package with 2-Speed Active Transfer Case and Hill Descent Control
- Premium GMC Infotainment System with Apple CarPlay and Android Auto
- Heated and Ventilated Leather Front Seats with 10-Way Power Adjustment
- Heated 2nd Row Outboard Seats and Heated Steering Wheel
- SiriusXM with 360L and Wireless Phone Projection
- HD Rear Vision Camera with Hitch Guidance and In-Vehicle Trailering System App
- 18 Machined Aluminum Wheels with Remote Vehicle Starter System
- Spray-On Pickup Bed Liner with AT4 Logo and 120-Volt Power Outlets

This Sierra 3500HD combines rugged durability with modern conveniences. The heated and ventilated leather seats provide all-day comfort, while dual-zone automatic climate control and a heated steering wheel ensure year-round convenience. Advanced safety features include 4-wheel disc brakes with ABS, electronic stability control, and multiple airbags. OnStar and GMC Connected Services keep you linked to your truck and the road ahead.

Experience the difference a properly equipped heavy-duty truck makes. Contact us today to schedule your test drive of this outstanding Sierra 3500HD AT4 and discover why this truck is built to work as hard as you do.