Total Number Of Cars In The US: 246 Million

We spotted this today (this is end 2009 numbers):

". An interesting side effect of lowered sales last year, though, is that the total number of vehicles in the overall U.S. car fleet dropped. There were 250 million cars here in 2008, and only 246 million at the end of 2009. We may have been buying fewer cars than we usually do in a year – there were around 10 million sold in 2009 – but we still got rid of 14 million units."

Statistics Source: Autoblog