Carsharing changes our relationship with the cars we owned and loved and hated over much of the century just behind us. And one of the points we hear from proponents again and again is that carsharing offers substantial savings, because the cost of owning a car has become much higher than in the past. Surely the cost of car ownership in the 21st century — and all that goes with it including direct and indirect costs, among them depreciation, insurance, petrol, maintenance, parking, etc., — is no light burden. But how expensive is it really? In this article, carsharing expert Dave Brook digs into the numbers and reflects on the true cost of ownership for most car owners in the United States.