Stone Mountain Nissan | New Nissan & Pre-Owned Car Dealer in Lilburn, GA, Stone Mountain Nissan is the premier Nissan dealership in NE Atlanta. Browse our inventory of new and Pre-Owned Nissan vehicles as well as other Pre-Owned Cars cars for sale. Save time and money with EZPurchase Online. Get Nissan deals and lease offers monthly. Schedule Service online for Nissan service at the Stone Mountain Nissan Service Center in Lilburn, GA.