One of the great things about technology is – with the exception of Apple products – consumers get more for their money every year. For example, the first 1GB USB drive I bought in 2005 cost me $30. Today you can get 10 for that price, delivered to your door thanks to Amazon. The same goes for car tech.
YouTube user AydoSF built a BB-8 on to the back wheel of his car so the little droid could follow wherever they go.