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 Question Thank you! Oops! Related Content FIRE Retirement This short, informative article teaches the basics of the FIRE movement. The Sequence of Returns A look at how variable rates of return impact investors over time. Year-End Charitable Gifting and You This article may help you maximize the benefits of your donation for your chosen charity.