Mossy Nissan has been a proud part of the San Diego community since 1982! Mossy is the premiere San Diego Nissan car dealership with 7 convenient locations to serve you in El Cajon, Escondido, Chula Vista, Kearny Mesa, National City, Oceanside and Poway. Want to drive better, for less? Mossy Nissan is the dealership for you! We have the largest selection of new and used cars in the county with better quality, better safety features, and better innovation.