Crossing a rough terrain, navigating through busy streets, or racing through the highway, the new GMC Sierra 3500HD is the best choice for MANASSAS drivers. Trailer and haul confidently with its enhanced towing capacity and smart braking technology. Advanced safety airbag and pressure systems in the new GMC Sierra 3500HD give you peace of mind while you drive on MANASSAS streets. No matter the task you have in hand, it has got you covered. Browse through our website and you will definitely find everything that you need. Drop by our showroom and test-drive the new GMC Sierra 3500HD in MANASSAS!