The average age of cars on the road today is higher than ever — nearly 11 years old, according to research firm R.L. Polk. That’s partially a function of a slow economy, but also, Polk says, because vehicles are “more durable and more reliable than their predecessors.”
http://editorial.autos.msn.com/9-ways-to-get-your-car-to-200k-miles-or-more#1