Internet Retailer: Car buyers turn to the web for shopping and buying

More and more car buyers look to the web to help make a purchase decision, according to comScore. Almost 20 million users visited auto manufacturers' sites in May, up about 20 percent from the year before. One in eight Internet users visited a carmaker's site. Twice that number visited auto-related sites, and half the number visited both.

Ford proved the most popular among the carmakers, with more than 6 million visitors filing in. General Motors attracted 4.9 million people, and Chrysler brought 4.2 million.

The Internet Retailer link above lists out the sub-brands' visit levels, as well as those of other automotive related sites.