Presumably you would have less wear and tear on the car by driving it less. This entirely accepts the initial purchase of the car as a sunk cost, so the number

Presumably you would have less wear and tear on the car by driving it less. This entirely accepts the initial purchase of the car as a sunk cost, so the number of hours doesn't really factor in, the rest of the costs are all hourly, unlikely the car purchase which is a one time cost.