The Boredom Index? Americans and Their Cars and Trucks By: CNBC.com News October 12, 2012 at 09:55 AM EDT Could it be that we're tired of driving the same car or truck for five or six years and have decided it's time for a new ride in the driveway? Read More >> Related Stocks: Ford Motor General Motors Honda Motor Company ADR Nissan Motors ADR Toyota Motor Corp Ltd Ord ADR