Get directions, reviews, payment information on Car Online located at Roswell, GA. Search for other Automobile Dealers-Used Cars-Wholesale in Roswell. Car Online dealership in Roswell, GA at AutoTrader.com. View new, used and certified car specials and get financing from a Roswell car dealer. Car Online in Roswell, GA 30075. Find business information, reviews, maps, coupons, driving directions and more.