This 2023 GMC Sierra 1500 AT4 in white delivers capability and refinement for drivers who demand both. With a single owner history and genuine low mileage, this truck combines proven reliability with premium appointments that enhance every drive. - 4X4 with Off-Road Suspension and Hill Descent Control - Leather Interior with Heated and Ventilated Front Seats - Panoramic Sunroof with Power Operation - Technology Package with Rear Camera Mirror and 15" Head-Up Display - AT4 Premium Package with Off-Road High Clearance Steps - Spray-On Pickup Bed Liner with AT4 Logo - Premium Bose 7-Speaker Sound System - Adaptive Cruise Control with Lane Keep Assist - Bed View Camera and HD Surround Vision - Console-Mounted Safe and Rear Underseat Storage - Wireless Phone Projection and Apple CarPlay/Android Auto - Integrated Trailer Brake Controller with Hitch Guidance - 120-Volt Bed-Mounted and Instrument Panel Power Outlets - All-Weather Floor Liners and Perimeter Lighting - Remote Vehicle Starter System The 3.0L turbocharged inline-six engine paired with a 10-speed automatic transmission delivers capable performance while maintaining respectable fuel economy at 21 city and 23 highway mpg. The AT4 package was specifically engineered for off-road capability, combining electronic locking rear differential with terrain management systems that give you confidence in any driving condition. Whether navigating daily commutes or tackling weekend adventures, this truck handles both with composure. Inside, the cabin reflects GMC's commitment to premium truck design. Leather seating wraps around supportive front seats with heating and ventilation, while the heated steering wheel and dual-zone automatic climate control keep you comfortable through all seasons. The panoramic sunroof bathes the interior with natural light, and the comprehensive camera system including bed view and surround vision eliminates guesswork when maneuvering or parking. Technology integration is seamless with the GMC Connected infotainment system featuring wireless phone projection and compatibility with both Apple CarPlay and Android Auto. The integrated trailer brake controller simplifies towing logistics, while the onboard trailering app provides real-time information and hitch guidance with visual assistance. Creature comforts like the console-mounted safe and rear underseat storage keep your valuables and gear organized and secure. Safety features work alongside capability to protect you and your passengers. Automatic emergency braking, forward collision alert, and lane keep assist with departure warning provide constant vigilance on the road. The HD surround vision system gives you a complete 360-degree perspective around the truck, while rear cross traffic braking adds confidence when backing out of tight spaces. With genuine one-owner history and well-maintained mileage, this Sierra 1500 AT4 stands ready for the next chapter of ownership. The blend of rugged capability, refined interior, and advanced technology makes this truck an exceptional value for buyers seeking a premium truck experience without compromise.