This 2023 GMC Sierra 3500HD AT4 in white delivers the capability and refinement you expect from a premium heavy-duty truck, backed by diesel power and advanced engineering built for both worksites and highways.

- Duramax 6.6L V8 Turbodiesel engine with 10-speed automatic transmission
- 4WD with 2-Speed Active Transfer Case and Hill Descent Control
- X31 Off-Road Package with off-road suspension
- ProGrade Trailering System with integrated trailer brake controller and hitch guidance
- Heated and ventilated leather front seats with 10-way power adjustment and lumbar support
- Premium GMC Infotainment System with Apple CarPlay and Android Auto
- SiriusXM with 360L satellite radio
- HD rear vision camera and wireless phone projection
- Remote vehicle starter system with keyless open and start
- Spray-on pickup bed liner with AT4 logo and 120-volt bed-mounted power outlet
- Red recovery hooks and rear step bumper
- Dual zone automatic temperature control with heated steering wheel
- OnStar and GMC Connected Services capability
- All-terrain 18-inch machined aluminum wheels

This truck combines work-ready features with genuine comfort. The heated and ventilated leather seats keep you comfortable whether you're working long days or taking a highway trip. The bed is professionally lined and equipped with convenient power outlets, making it easy to keep tools and equipment secure and powered. The integrated trailering system provides real-time monitoring and guidance, taking the guesswork out of managing your load.

The AT4 trim emphasizes capability with features designed for serious driving conditions. Hill Descent Control assists on steep terrain, while the off-road suspension handles rough ground with confidence. The 2-Speed Active Transfer Case gives you precise control in low-traction situations, and the anti-roll bar enhances stability whether you're empty or loaded.

Modern connectivity keeps you informed and in command. The infotainment system displays fuel economy data, outside temperature, and trip information on the 4.2-inch color driver info center. Wi-Fi hotspot capability means you can stay connected wherever the job takes you. Multiple USB ports throughout the cabin—including charging-only ports in the rear—keep your devices powered during long workdays.

Safety features are comprehensive throughout. Dual front and side impact airbags, occupant sensing technology, and electronic stability control with traction management work together to protect you and your passengers. The all-terrain brake system includes ABS and four-wheel disc brakes for confident stopping power even when hauling.

This Sierra 3500HD AT4 is a complete work and lifestyle solution. It's engineered to handle serious tasks while providing the comfort and technology features that make every drive feel controlled and purposeful.