Should I Buy or Lease an Auto? This calculator compares the financial impact of leasing versus buying an automobile. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content Home Mortgage Deduction Use this calculator to assess the potential benefits of a home mortgage deduction. Red Flags for Tax Auditors Here are six flags that may make your tax return prime for an IRS audit. Trends in Charitable Giving Some people may want a more advanced gifting strategy that can maximize their gift and generate potential tax benefits.