New 2026 GMC Sierra 1500 AT4 For Sale Dearborn, MI

The 2026 GMC Sierra 1500 AT4 arrives ready to deliver the capability and refinement you demand from a premium truck.This truck is built with purpose. It features a powerful 6.2L EcoTec3 V8 engine that produces 420 horsepower and 460 lb-ft of torque, paired with a 10-speed automatic transmission and 4WD for reliable performance. The AT4 package includes an off-road suspension, auto-locking rear differential, and hill descent control to confidently navigate challenging terrain. Additional standout features include:- 6.2L EcoTec3 V8 with Dynamic Fuel Management and Dual Sport-Mode Active Exhaust- Premium Bose 7-speaker sound system with SiriusXM 360L trial subscription- Multicolor 15 diagonal head-up display- Wireless Apple CarPlay/Android Auto compatibility- Heated and ventilated leather front seats with 10-way power adjustment- Off-road suspension with auto-locking rear differential- HD Surround Vision with Bed View Camera and Rear Camera Mirror- Spray-on bedliner with GMC logo- 20 machined aluminum wheels- Automatic emergency braking with lane keep assistInside, the Sierra 1500 AT4 offers premium comfort for driver and passengers. The cabin features perforated leather seating surfaces throughout, with heated and ventilated front seating plus heated rear seating on the outboard positions. The 10-way power driver's seat with lumbar support ensures you find your ideal driving position for long days on the road. Wireless charging and dual USB Type-C ports keep your devices ready, while the integration of Apple CarPlay and Android Auto keeps you connected to what matters most.Safety and technology work together to give you command of the road and beyond. Forward collision alert, automatic emergency braking, lane keep assist, and rear cross traffic braking provide active protection. The integrated trailer brake controller, hitch guidance, and in-vehicle trailering system app make towing intuitive and secure. The 220-amp alternator and heavy-duty battery support all systems reliably, whether you're towing or tackling tough jobs.The truck's exterior reflects its AT4 heritage with purposeful design elements. A black chrome grille insert, off-road high clearance steps, red recovery hooks, and all-weather floor liners with AT4 logo highlight the trim's capability orientation. LED cargo area lighting illuminates your workspace, while the power sliding rear window and rain-sensing wipers add practical convenience for any condition.Visit us to experience this Sierra 1500 AT4 firsthand. Behind the wheel, you'll understand why this truck earns trust from those who demand both capability and quality. Price includes: $1500 - Buick GMC Bonus Cash. Exp. 08/03/2026 $1750 - Buick & GMC Consumer Cash Program. Exp. 08/03/2026 $3500 - GM Trade In Allowance Program. Exp. 08/03/2026