If your car is used for business purposes, whether you are self-employed or an employee, you can get the benefit of tax deductions.   You have 2 choices for claiming deductions on a business car:   You can deduct the actual business-related costs of gas, oil, lubrication, repairs, tires, supplies, parking, tolls, drivers’ salaries, and depreciation.  Ã‚ Use the standard mileage …