Pre-Owned 2026 GMC Sierra 1500 AT4 For Sale Danbury, CT

Meet the 2026 GMC Sierra 1500 AT4—a premium truck engineered for those who demand capability without compromise.- EcoTec3 6.2L V8 engine with 420 horsepower and 460 lb-ft of torque- Dynamic Fuel Management with dual sport-mode active exhaust- 10-speed automatic transmission with 4WD- Trailering Package with integrated trailer brake controller- Premium Bose 7-speaker sound system with SiriusXM 360L- Wireless Apple CarPlay and Android Auto capability- HD Surround Vision with Hitch Guidance and Hitch View camera- 20-inch machined aluminum wheels- Heated and ventilated leather front seats with 10-way power adjustment- Automatic emergency braking and lane keep assist with departure warning- Spray-on bedliner with GMC logo- Rear cross traffic braking and rear pedestrian detection- Perforated leather seat trim with heated rear outboard seating- Auto-dimming rear-view mirror and rain-sensing wipers- Navigation system with in-vehicle trailering appThis Beige Sierra 1500 AT4 delivers serious power when you need it, thanks to its legendary V8 engine paired with advanced fuel management technology. The 10-speed automatic transmission ensures smooth shifting across any terrain, while 4WD provides confidence in challenging conditions. The Trailering Package makes towing straightforward with integrated brake control and multiple camera views designed specifically for trailer management.The interior reflects genuine luxury. Heated and ventilated leather seats, a premium audio system, and wireless smartphone integration create an environment built for long drives and daily comfort. The 10-way power driver and passenger seats with lumbar support keep you properly positioned, while dual-zone automatic temperature control lets both occupants set their preference.Safety technology is comprehensive here. Automatic emergency braking, lane keep assist, rear cross traffic braking, and rear pedestrian detection work together to help protect you and your passengers. The HD surround vision system provides complete awareness around the truck, while the ultrasonic front and rear park assist takes guesswork out of tight spaces.The AT4 trim balances luxury appointments with genuine off-road capability. An off-road suspension and hill descent control prepare you for challenging terrain, while premium features like the spray-on bedliner and recovery hooks reflect purposeful design. Whether you're managing work demands or exploring remote landscapes, this truck answers the call. This vehicle is being sold as Ingersoll Certified Pre-Owned. This program gives you peace of mind. You will receive. **A Vehicle Inspection and Reconditioning Form. **A Vehicle Carfax. **90 Days or 4000 miles of Powertrain Plus Limited Coverage **A Free Maintenance event including oil change and tire rotation within the first 12mo or 12,000 miles of driving (at an Ingersoll Automotive Location). This vehicle is eligible to be upgraded to Ingersoll Certified Plus for $749. That will give you the additional benefits of 12mo or 12,000 miles of limited exclusionary coverage, 6 years or up to 100,000 miles of powertrain limited coverage (from original in-service date), courtesy transportation for covered repairs, and road side assistance. **A Vehicle Exchange Program if dissatisfied in the first 3 days or 150 miles of ownership. This is not a manufacturer sponsored programDo not hesitate, call us now at 845.878.6900 to speak with our guest friendly product consultants to schedule your test drive.Pre-Owned Vehicle Prices do not include government fees and taxes, any finance charges, $175 dealer documentation fees (Danbury and Watertown Conveyance Fee at $997), any emissions testing fees or other fees. All prices, specifications and availability are subject to change without notice. The features and options listed are provided