Working out the exact cost of ownership with all the relevant factors is actually pretty hard to do...
I'm fairly sure that nobody has managed to create a suitable illustration that is accurate for today's market anyway.
BTW, this:
As stated above the boom in car sales is fake and like most things and only achieved on credit. I wonder for how long?
There is nothing wrong with credit. Absolutely nothing at all. If you believe otherwise, you are probably just old. I don't mean that nastily, I just mean that in olden times people thought being in debt was morally wrong. Its not at all.
Providing the lending is responsible (ie lent to people who can afford it) then its perfectly fine.
Sure, the lightning bolt might strike you, but life is full of freak risk.