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 Message Thank you! Oops! Related Content When Do You Need a Will? When do you need a will? The answer is easy: Right Now. Should I Pay Off Debt or Invest? This calculator will help determine whether you should invest funds or pay down debt. Estate Management 101 A will may be only one of the documents you need—and one factor to consider—when it comes to managing your estate.