Pre-Owned 2026 GMC Sierra 1500 AT4X For Sale Valencia, CA

This 2026 GMC Sierra 1500 AT4X represents premium off-road capability wrapped in a refined package. Finished in White with a luxurious Obsidian Rush Leather interior, this crew cab short box truck combines strength with sophistication. The commanding EcoTec3 6.2L V8 engine with active dual sport-mode exhaust delivers impressive performance, while the 10-speed automatic transmission and 4WD system ensure confident handling on any terrain. Tagged as a prior service loaner and maintained in like-new condition, this is a well-equipped truck ready to impress.- Dual Active Exhaust with Sport-Mode Enabled- 12-Speaker Bose Premium Series Audio System with SiriusXM- Heated and Ventilated Leather Front Seats with 16-Way Power Adjustment- 15 Diagonal Multicolor Head-Up Display with Navigation- Integrated Trailer Brake Controller with In-Vehicle Trailering System App- Hill Descent Control and Driver-Selectable Front and Rear Locking Differentials- Off-Road Suspension with Power Rake and Telescoping Steering- HD Surround Vision with Bed View Camera and Ultrasonic Park Assist- Wireless Apple CarPlay and Android Auto with Wi-Fi Hotspot Capable- Spray-On Pickup Bedliner with Full Grain Leather and 18 Painted Aluminum WheelsThis Sierra AT4X delivers the technology and refinement serious truck buyers demand. With available EPA-estimated 14 city / 16 highway MPG, actual mileage may vary. The combination of premium materials, advanced trailering features, and robust off-road equipment makes this an exceptional value in the luxury truck segment. Schedule your test drive today and experience the difference a well-appointed AT4X brings to the road and trail alike.