How much gas should you keep in your car’s tank?

Close up of a half-empty fuel gauge in an older-model-year vehicle; a pair of hands making an exasperated gesture are blurred in the forefront

There’s almost nothing worse than getting into your car and realizing you don’t have enough gas to get to your destination. The time it takes to make a detour to the nearest gas station, in addition to the cost of the gas itself, can be quite inconvenient. So, is there a specific amount of gas you need to keep in your car’s tank at all times?

You don’t have to keep your car’s tank completely full at all times

A gas station worker fills up a sedan | Costfoto/Future Publishing via Getty Images

RELATED: Consumer Reports: Should You Fill Your Car’s Gas Tank?