I mean the cost including repairs. It is impossible to exactly estimate the cost as it depends on several factors however there should be a ballpark figure for a typical car
My understanding, a couple of years ago I was given a figure of $100 month, this also include items like tires
with my truck since Dec 03, I have done oil changes and tire rotation, bought a used tire and a couple of air filters
on the BMW, it been a final stage resistor, $75, replaced myself, rears shocks-about $400, couple of oil changes, a coil, a couple of hundred, a battery $268 and now have problems with the top

It is a 7 year old car
Maintence has not been bad at all