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 Gap Insurance for Leased Cars If you’re thinking of leasing a new car, then you shouldn’t forget about gap insurance. Impact of Taxes and Inflation Estimate the potential impact taxes and inflation can have on the purchasing power of an investment. Asset Allocation Consider how your assets are allocated and if that allocation is consistent with your time frame and risk tolerance.