If you're self-employed and use your car for business, you can deduct certain business-related car expenses. There are two options for claiming deductions: Actual Expenses. To use the actual expense method, you need to figure out the actual costs of operating the car for business use. You are allowed to deduct the business-related portion of costs related to gas, oil, repairs, tires, insurance, registration fees, licenses, and depreciation (or lease payments). Standard Mileage Rate. To use the...









