2026 GMC Sierra 2500HD

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. - ASSIST STEPS, POWER RETRACTABLE, BLACK with LED lighting - HEAVY DUTY FRONT SPRING/CAMPER PACKAGE - 6.6L V8 Diesel Turbocharged (Duramax) (470 hp, 975 lb-ft of torque) - AT4 PREMIUM PLUS PACKAGE with power sunroof, Technology Package, and high clearance step - TRAILER TIRE PRESSURE MONITOR SENSORS - GOOSENECK / 5TH WHEEL PREP PACKAGE with hitch platform and 7-pin trailer harness This 2026 GMC Sierra 2500HD AT4 comes equipped with a powerful Duramax 6.6L V8 Turbodiesel engine paired with a 10-speed automatic transmission and 4-wheel drive. Designed for off-road capability, the Sierra AT4 features an off-road suspension, hill descent control, and skid plates to conquer any terrain. The AT4 Premium Plus Package adds premium touches like a power sunroof, 15-inch head-up display, and Bose premium audio system. With a host of advanced trailering technologies, this Sierra is ready to tow with confidence. The trailer tire pressure monitoring system, gooseneck/5th wheel prep package, and in-vehicle trailering app make hitching up and hauling your toys a breeze. The powerful Duramax diesel engine provides ample torque to pull heavy loads with ease. Inside, the Sierra AT4 pampers you with perforated leather-appointed seats, heated and ventilated front seats, and a heated steering wheel. The spacious cabin offers generous room for passengers and cargo, with a lockable and spray-on bedliner to protect your gear. Advanced safety features like forward collision alert, lane departure warning, and automatic emergency braking provide added peace of mind. Whether you're hauling a camper, towing a boat, or simply seeking a capable and comfortable daily driver, this 2026 GMC Sierra 2500HD AT4 is an exceptional choice. Experience the uncompromising performance, premium features, and rugged capability that make the Sierra AT4 a standout in the heavy-duty truck segment. 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: $1000 - Buick & GMC Consumer Cash Program. Exp. 06/30/2026