The average car costs are £388 a month, or £4656 a year:
If you buy your first car at 18, the total you've spent on car costs by the age of 80 is £300,000.
If that money is invested instead, with 3.5 percent average annual interest you will have £1,000,000 when you are 80 years old.
The average annual stock market returns over the last 30 years is 7.2 percent:
If you invest £4656 every year with a 7.2 average return, you will have £1,000,000 at the age of 58, £5,000,000 at age 80.