Truck buyers in McAllen, TX, now can get behind the wheel of the most advanced and luxurious Sierra ever - the GMC Sierra 1500 Denali Ultimate. This range-topping trim elevates the premium Sierra lineup to extraordinary heights, delivering an unrivaled combination of world-class performance, sophisticated technology, and premium craftsmanship.

Uncompromising Performance

Under the hood, the Sierra Denali Ultimate features a brawny 6.2-liter V8 engine that pairs with a 10-speed automatic transmission and robust four-wheel drive system; this powertrain generates 420 horsepower and 460 pound-feet of torque. This proven powertrain delivers commanding acceleration and impressive trailering capability. Drivers around Edinburg, TX, will appreciate the Sierra's advanced trailering technology, which makes towing heavy loads easier and more confident than ever.

First-Class Cabin

Inside the spacious crew cab, the Sierra Denali Ultimate coddles occupants with its meticulously crafted, ultra-premium cabin. Exquisite materials like full-grain leather upholstery and authentic open-pore wood trim adorn every surface. The 16-way power front seats with massage functionality provide incredible comfort and support, even on long drives to the Alamo. A 12-speaker Bose premium audio system fills the interior with immersive sound.

Cutting-Edge Technology

The Sierra Denali Ultimate also showcases GMC's latest technological innovations. The huge 13.4-inch diagonal touchscreen infotainment system is incredibly intuitive and offers wireless Apple CarPlay and Android Auto connectivity. The 15-inch multicolor Head-Up Display projects key information onto the windshield to keep your eyes on the road ahead to San Juan, TX. But the star of the show is the available Super Cruise hands-free driving system, which allows you to drive on over 200,000 miles of compatible roads without touching the steering wheel.

Head-Turning Style

Visually, the Sierra Denali Ultimate makes a bold statement with its imposing Vader Chrome grille, sleek 22-inch wheels, and distinctive exterior badging. The innovative MultiPro tailgate and durable CarbonPro composite bed provide unmatched versatility for work or play. Whether cruising the streets of McAllen or venturing off the beaten path, the Sierra Denali Ultimate will turn heads and elicit envious stares.

Schedule a Test Drive

Experience the pinnacle of full-size truck luxury and capability with the GMC Sierra 1500 Denali Ultimate, available now at South Texas Buick-GMC. Visit our dealership at 4220 W Exp 83 in McAllen, TX, to see this incredible truck in person and take it for an unforgettable test drive. Get ready to treat yourself to the ultimate in Sierra sophistication.