If you are looking for a GMC Sierra 2500HD dealer in SHERMAN, TX, come to Parkway Buick GMC. We have a vast inventory of new GMC vehicles lined up for you to look at. We are sure you will be impressed with the level of technology, entertainment, safety, and comfort that this truck has to offer. Make the most of the financing options that are available, along with the specials that we are offering at Parkway Buick GMC. Test-drive the GMC Sierra 2500HD at our SHERMAN dealership. Stop by today!