It depends on factors such as: what kind of deal you can make with the dealership; the typical mileage you put on your car; how much you wear down a car; and the primary use for the car. To determine whether leasing or buying is best, compare the costs and other issues involved in a lease or purchase. The following factors should be considered: Beginning costs Continual costs Total costs Is there a possibility of deduction of any of the costs due to the car being used for business How important is it to have ownership of the car