GMC Sierra Denali For Sale In Mandan, ND

Discover a new benchmark in luxury and capability at Schwan Buick GMC. The GMC Sierra Denali delivers premium craftsmanship and serious performance in one commanding package. Underneath its bold Denali signature grille and chrome-wheel assist steps lies a 5.3L V8 paired with a 10-speed automatic transmission—standard equipment for the 2026 Sierra 1500 Denali.

Step into the interior and you’ll find authentic wood and patterned-aluminum trim, forge perforated-leather seating surfaces and 12-way power front seats with lumbar support. Every detail is built to elevate your everyday drive, whether you’re heading to work or towing heavy loads. On the subject of towing: for the Sierra HD Denali models, the capabilities are extreme—gooseneck/fifth-wheel trailer ratings up to 19,900 lbs on the 2500 HD.

Technology meets convenience here, with available features like the Super Cruise hands-free driver assistance system and the rugged CarbonPro composite bed option.Whether you’re looking for refined luxury, trailering strength, or standout design, the Sierra Denali checks every box.

At Schwan Buick GMC, we invite you to explore the full inventory of Sierra Denali models with varying trims, options and color offerings. Contact us today to schedule a test drive and experience the refinement and capability of the Denali nameplate for yourself.