Meet the 2020 GMC Sierra 1500 AT4, a truck built for those who demand capability without compromise. This blue beauty combines rugged off-road performance with refined daily-drive comfort, making it an excellent choice for buyers seeking a full-size pickup that handles both work and weekend adventures.

- HD Surround Vision with Trailer View Camera Provisions
- Rear Camera Mirror and Bed View Camera
- Multicolor 15 Diagonal Head-Up Display
- Driver Alert Package II with Automatic Emergency Braking and Lane Keep Assist
- Forward Collision Alert and Front Pedestrian Braking
- Adaptive Cruise Control with Following Distance Indicator
- IntelliBeam Automatic High Beam Technology
- Premium GMC Infotainment System with Navigation and Apple CarPlay/Android Auto
- Premium Bose 7-Speaker Sound System with SiriusXM 360L
- 10-Way Power Driver and Passenger Seats with Lumbar Support and Ventilation
- Heated and Ventilated Front Seats, Heated Rear Seats
- Heated Steering Wheel and Remote Vehicle Starter
- 20 Machined Aluminum Wheels with Carbon Grey Metallic Accents
- Spray-On Pickup Bed Liner with AT4 Logo and Rear Wheelhouse Liners
- 6 Black Rectangular Assist Steps and Red Recovery Hooks

The heart of this Sierra is the EcoTec3 5.3L V8 engine paired with a 10-Speed Automatic transmission and 4-wheel drive, delivering the power and control you need. With 16 mpg in the city and 21 mpg on the highway, this truck balances performance with reasonable fuel efficiency. The off-road suspension and heavy-duty rear locking differential make navigating challenging terrain manageable, while the Hill Descent Control adds confidence when tackling steep descents.

Technology elevates your driving experience through the complete suite of safety and convenience features. The Technology Package provides exceptional visibility with HD Surround Vision and Rear Camera Mirror, while the Driver Alert Package II includes Forward Collision Alert, Automatic Emergency Braking, and Lane Keep Assist. The 15 Head-Up Display keeps critical information in your line of sight, and the 8 Digital Driver Information Center puts vehicle data at your fingertips.

Inside, the cabin reflects the attention to detail GMC is known for. Perforated leather-appointed front seats feature 10-way power adjustment with lumbar support and ventilation for all-day comfort. Heated seats and steering wheel prepare you for cold mornings, while the wireless charging pad keeps your devices ready. The Premium GMC Infotainment System with Apple CarPlay and Android Auto seamlessly integrates your digital life, and the Bose 7-Speaker audio system transforms every drive into a quality listening experience.

Practicality defines the AT4 Premium Package features, which add genuine value for truck owners. The Goodyear Wrangler DuraTrac tires grip confidently on various surfaces, the ProGrade Trailering System with integrated Trailer Brake Controller and Hitch Guidance simplifies towing, and the spray-on bed liner protects your cargo area. All-weather floor liners and the 6 black assist steps combine style with function.

This 2020 Sierra 1500 AT4 represents a mature, well-equipped truck ready to serve your needs. Whether commuting, working, or exploring, this vehicle delivers the capability, technology, and comfort that define modern truck ownership. We invite you to experience it firsthand and discover why this AT4 deserves a place in your garage.