Interested in a Fuel Efficient Car? Estimate how many months it may take to recover the out-of-pocket costs when buying a more efficient vehicle. 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 Immediate vs. Deferred Annuities Looking forward to retirement? It's critical to understand the difference between immediate and deferred annuities. What Can a Million Dollars Buy You? $1 million in a diversified portfolio could help finance part of your retirement. Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one.