2026 GMC Sierra 3500HD

Drivers in Lakeland, Polk County, and across Central Florida choose the Regal Automotive Group for a wide selection of new vehicles and a dealership experience built around convenience and transparency. With multiple locations in Lakeland, Regal makes it easy to find the right vehicle to fit your lifestyle. - 6.6L V8 Diesel Turbocharged (Duramax) (B20-Diesel Compatible) (470 hp [350.5 kW] @ 2800 rpm, 975 lb-ft of torque [1322 Nm] @ 1600 rpm) (Includes (K05) engine block heater.) - Gooseneck/5th Wheel Prep Package - Preferred Equipment Group 5SA - Technology Package - X31 Off-Road Package - Bose Premium 7-Speaker Sound System - SiriusXM with 360L Trial Subscription - Steering Wheel Audio Controls - Electric Rear-Window Defogger - 120-Volt Bed Mounted Power Outlet This 2026 GMC Sierra 3500HD Denali is an exceptional heavy-duty pickup that combines impressive capability with premium comfort and technology. Under the hood, the Duramax 6.6L V8 Turbodiesel engine delivers best-in-class power and torque, providing the muscle you need for towing, hauling, and tackling tough terrain. The 10-speed automatic transmission and 4WD system ensure smooth, confident performance in any driving conditions. Inside, the Denali trim elevates the experience with luxurious leather-appointed seats, heated and ventilated front seats, a heated steering wheel, and a premium Bose audio system. Advanced safety and driver assistance features like Surround Vision, Rear Cross Traffic Alert, and the Head-Up Display help keep you aware and in control. Connectivity is enhanced with wireless charging, wireless phone projection, and multiple USB ports. Beyond the impressive list of standard features, this Sierra 3500HD is equipped with the Gooseneck/5th Wheel Prep Package, the Technology Package, and the off-road-focused X31 Package. These additions make this truck an exceptional choice for towing, hauling, and venturing off the beaten path. With its powerful Duramax engine, premium interior, and comprehensive suite of technology and capability features, this 2026 GMC Sierra 3500HD Denali is a must-see for any discerning truck buyer. We invite you to experience its impressive capabilities firsthand by scheduling a test drive at Regal Automotive Group in Lakeland. For nearly 50 years, the Regal Automotive Group has proudly served Lakeland and Polk County drivers. With a large inventory of quality vehicles, competitive pricing, and aggressive financing options, our team is committed to delivering a straightforward buying experience and excellent customer service. Price includes: $2000 - Buick GMC Bonus Cash. Exp. 06/30/2026