The combined average age of all light vehicles on the road in the U.S. stayed at at 11.4 years, as of Jan. 1 2014, reported IHS Automotive. It is the oldest cars have stayed since 1995, when the data was first reported.
In 2003, there were cell phones but no iPhones or Android phones. The older the car, the less connected it will be. There appears to big market for head units and other connected car features for older model cars. Most people keep their cars an average of six years.