How many automobiles are there in the U.S.?
In 2008, there are a total of 137,079,843 registered automobiles in the United States. This is based on data for State Motor Vehicle Registrations for the 2008 Highway Statistics of the U.S. Federal Highway Administration. Of this number, 98.9% are private and commercial. California has the most number of automobiles with 14.5% of the total.