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. Related Content Tax Efficiency in Retirement What role would taxes play in your investment decisions? RE: Retirement How does your ideal retirement differ from reality, and what can we do to better align the two? A Home Insurance Claim: To File Or Not To File Learn when it may not make sense to file a claim on your home insurance.