Introducing the 2025 GMC Sierra 1500 AT4, a premium truck engineered for those who demand capability, comfort, and confidence on every drive.<br><br>- Technology Package with Rear Camera Mirror and 15 Multicolor Head-Up Display<br>- AT4 Preferred Package with Universal Home Remote and Power Rear Sliding Window<br>- Premium Bose 7-Speaker Sound System with Apple CarPlay and Android Auto<br>- 3.0L I6 Engine with 10-Speed Automatic and Standard 4WD<br>- Multicolor 15 Diagonal Head-Up Display with bed view camera<br>- Advanced safety features including Automatic Emergency Braking and Lane Keep Assist<br>- Heated and ventilated leather front seats with 10-way power adjustment<br>- Rear Camera Mirror and HD Surround Vision for enhanced visibility<br>- Navigation System with wireless smartphone integration<br>- Spray-on pickup bedliner with GMC logo<br>- 20 machined aluminum wheels<br>- Engine Block Heater for reliable cold-start performance<br>- Three years of SiriusXM satellite radio service<br>- Rear cross traffic braking and rear pedestrian detection<br>- Integrated trailer brake controller with hitch guidance<br><br>The AT4 trim represents GMC's commitment to off-road and rugged terrain performance. The 3.0L I6 engine delivers dependable power while the 10-speed automatic transmission provides smooth, efficient operation. With 22 city and 26 highway MPG, this truck balances capability with fuel efficiency. The 4WD system ensures traction in demanding conditions, while the off-road suspension and auto-locking rear differential give you the tools to handle any challenge.<br><br>Inside, the cabin reflects premium craftsmanship. Perforated front leather seats with heating and ventilation keep you comfortable during extended drives. The 10-way power driver seat and power passenger seat allow each occupant to find their perfect position. The heated steering wheel and dual-zone automatic climate control add another layer of refinement to your daily experience.<br><br>Technology integration is seamless throughout this Sier
