Good news for Chevy Volt buyers! With all the money saved from only having to fill up once a month in just 26.6 years you will break even. In other words if you are now 70 you will be just short of 97 before you can savor the fruits of your investment. If that seems too rosy consider that you will have to also shell out $8,000 for new batteries twice. The Volkswagen Jetta breaks even in just 1.1 years and the durable Ford F150 gets you even in less than 5 years.