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 Retirement Plan Choices for Small Businesses Retirement choices can be intimidating. Picking the right strategy. Best-Performing Asset Classes Bonds may outperform stocks one year only to have stocks rebound the next. Deciding When to Take Social Security One of the most common questions people ask about Social Security is when they should start taking benefits.