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 Split Annuity Strategy Here's one strategy that combines two different annuities to generate income and rebuild principal. Global and International Funds Investors seeking world investments can choose between global and international funds. What's the difference? Why do Renters Have to Save More? How much more would retirement cost if you owned your home rather than rented? It could actually be several times less.