Say hello to the new GMC Sierra 3500HD at McKinney Buick GMC. Our experts will help select the best one for you. With the GMC Sierra 3500HD, you can carry heavy loads or simply roam around McKinney with your friends and family, with unbeatable efficiency. The center console gives you enough space for the file folders and laptops. The new GMC Sierra 3500HD, available in McKinney, TX, is equipped with multiple airbags, Rear Vision Camera, Front Park Assist, and Rear Park Assist to ensure that you and your passengers are safe and secure on the road. Get behind its wheel and experience its mind-blowing performance. Visit McKinney Buick GMC today! You can refine your search by trim, mileage, pricing, and color.