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 How Insurance Deductibles Work Knowing how insurance deductibles work can help you save money. The Anatomy of an Index The S&P 500 represents a large portion of the value of the U.S. equity market, it may be worth understanding. Lifetime of Earnings Estimate how much you have the potential to earn during your working years.