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

This 2026 GMC Sierra 1500 AT4X Crew Cab combines commanding presence with refined capability. Finished in striking Onyx Black with luxurious Obsidian Rush Leather interior, this 4WD pickup is powered by a potent EcoTec3 6.2L V8 engine paired with a smooth 10-speed automatic transmission. The AT4X trim sets this truck apart with advanced off-road engineering and premium features designed for both work and weekend adventure.- 6.2L V8 with active exhaust and sport-mode enabled- 4WD with driver-selectable locking front and rear differentials and off-road suspension- 16-way power driver and passenger seats with lumbar support- Dual-zone automatic climate control with heated and ventilated front seats- Premium Bose audio system with 12 speakers and SiriusXM- Wireless Apple CarPlay and Android Auto integration- HD surround vision with bed view and trailer camera provisions- Lane keep assist, automatic emergency braking, and rear cross traffic braking- Integrated trailer brake controller with in-vehicle trailering app- Power moonroof and spray-on bedlinerThis AT4X was previously used as a service loaner, providing additional assurance of careful maintenance and attention to detail. Every premium convenience is at your fingertips—from the heated steering wheel and power sunroof to wireless charging and the multicolor head-up display. Contact us today to schedule a test drive and experience the capability and luxury this Sierra 1500 AT4X delivers.