6 or 8 cents/mile to drive a car? That's bad math right from the start. The average new car costs over tens times that much -- more than SIXTY cents per mile to operate. The biggest piece by far is depreciation, so you can knock that number down significantly by buying used. Also, driving higher mileage per year will reduce it a bit as well. However you are never going to get into single digits unless you drive fully depreciated cars, do all of your own work on them using stolen parts, and drive uninsured.
Here's the latest figures from AAA:
