Nyle Maxwell GMC presents the GMC Sierra 3500HD to Round Rock drivers. This heavy-duty pickup truck comes with a number of great features. If you are in the market for a new GMC Sierra 3500HD, take a look at Nyle Maxwell GMC’s inventory. You can narrow down your search by color, pricing, trim, and mileage. Strength and styling combine in the GMC Sierra 3500HD to give you a pickup truck that is sure to impress all. We offer some great deals on this vehicle at our dealership. Contact us to schedule a test drive today!