and announced Monday that will provide used-car info for shoppers on Edmunds' site, the companies said in a statement. Through this partnership, shoppers now doing their research on can click directly over to's massive inventory of 2.5 million used vehicles. And those who use's True Market Value Used-Vehicle Appraiser to determine the price of a used vehicle they intend to sell can now easily their vehicle for sale with, headquartered in Atlanta, Ga., lists more than 2.5 million new and used vehicles on its site. is a Santa Monica, Calif., company that has automotive research, reviews, pricing and data services on its Web site.