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 A Fruitful Retirement: Social Security Benefit Taking your Social Security benefits at the right time may help maximize your benefit. Eight Mistakes That Can Upend Your Retirement There are common mistakes you can avoid when saving for retirement. Should You Tap Retirement Savings to Fund College? There are three things to consider before dipping into retirement savings to pay for college.