
Introducing the exceptional 2026 GMC Sierra 1500 AT4 - a rugged and capable truck that's ready to take on any adventure. With its powerful EcoTec3 6.2L V8 engine, delivering 420 horsepower and 460 lb-ft of torque, this Sierra AT4 is engineered to handle the toughest tasks with ease.
Highlighted features include:
6.2L V8 (EcoTec3) with Dynamic Fuel Management
Off-Road Suspension
Auto-Locking Rear Differential
Power Rake & Telescoping Steering Column
Dual Active Exhaust
Spray-On Pickup Bedliner with GMC Logo
Heated Steering Wheel
Wireless Charging
Ventilated Front Seats
Integrated Trailer Brake Controller
Designed to conquer any terrain, the Sierra AT4 boasts an off-road-tuned suspension, all-terrain tires, and a host of advanced technologies to keep you in control. The available Trailering Package and In-Vehicle Trailering System App make towing a breeze, while the Bed View Camera and Hitch View provide unparalleled visibility and confidence behind the wheel.
Inside, the Sierra AT4 pampers you with premium amenities, including a Bose 7-speaker sound system, dual-zone automatic climate control, and heated and ventilated front seats. The 15-inch diagonal Head-Up Display and wireless Apple CarPlay/Android Auto integration keep you connected and informed on the go.
Safety is a top priority, with features like Automatic Emergency Braking, Forward Collision Alert, and Lane Keep Assist with Lane Departure Warning. The Sierra AT4 also offers the peace of mind of OnStar services and a Wi-Fi hotspot for added connectivity.
With its rugged good looks, exceptional capability, and premium features, the 2026 GMC Sierra 1500 AT4 is the ultimate choice for those who demand the best from their truck. Experience the power and versatility of this remarkable vehicle today.
Tax, title, documentation fee ($237), optional accessories, and additional fees may apply. Availability and pricing are subject to change.
Take a test drive today at Stoops Buick GMC in Plainfield, IN family-owned and proudly serving the community since 1990. We're a trusted Buick and GMC dealership near Indianapolis with an A+ Better Business Bureau rating and a CARFAX Top-Rated Dealer (5 years running).
Conveniently located in Plainfield, Indiana, just 5 minutes west of Indianapolis International Airport and north of I-70 on SR 267, we proudly serve drivers from Plainfield, Indianapolis, Greenwood, Avon, Brownsburg, Mooresville, and surrounding areas.
Call us directly at 317-839-7771. Thank you for the opportunity to earn your business!
*Includes all applicable incentives. We strive to ensure the accuracy of the information on this site; however, errors may occur. To verify details, please call 317-839-7771 or visit us in-store. Price includes discounts and rebates available to the general public, and dealer installed items. You may qualify for additional rebates. , Doc Fee Taxes and license are extra. Use of factory sponsored finance or lease programs may affect final vehicle price, and are subject to credit approval. Subject to prior sale.$1750 - Purchase Allowance. Exp. 03/31/2026 $3500 - Trade Assistance. Exp. 03/31/2026 $500 - Bonus Cash. Exp. 03/31/2026




