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 The Junk Drawer Approach to Investing It's easy to let investments accumulate like old receipts in a junk drawer. Tuning Your Social Security Benefit When should you take your Social Security benefit? Buying vs. Leasing a Car Whatever your relationship with your car, it may eventually come time for a new one. Familiarize yourself with your options.