AutoNation Honda Costa Mesa is your local Orange County destination for new Honda vehicles, used cars for sale, and Honda service. Our Costa Mesa showroom features one of the largest inventories of new Honda vehicles in Orange County, as well having a large selection of used cars, trucks, and SUVs for sale. And if you can't find that perfect new or used Honda, we'll buy your car, purchase necessary! Check out our website today., then visit our showroom in Costa Mesa, located on Harbor Blvd just south of the 405.