How Long Does One Tank of Gasoline Last?

On average, one tank of gasoline in a modern, fuel-efficient vehicle can last approximately 300 to 400 miles, depending on the vehicle's fuel economy and driving conditions. This range is based on the assumption that the vehicle is driven at a steady speed and that the fuel tank is filled to its capacity.

The duration a tank of gasoline lasts varies due to several factors. First, the fuel efficiency of the vehicle plays a significant role. Fuel-efficient vehicles, such as hybrids and compact cars, can achieve higher mileage per gallon, thus extending the distance one can travel on a single tank. Conversely, less fuel-efficient vehicles, such as SUVs and trucks, will have a shorter range on a full tank.

Driving conditions also impact fuel economy. For instance, driving at higher speeds, idling frequently, and aggressive acceleration can decrease fuel efficiency. Additionally, traffic congestion and city driving typically result in lower fuel economy compared to highway driving.

According to the U.S. Environmental Protection Agency (EPA), the average fuel economy for new vehicles in 2021 was around 25 miles per gallon (mpg) combined for city and highway driving. Using this figure, a full tank of gasoline, which is typically around 13 to 15 gallons, would last approximately 325 to 375 miles. However, this is a general estimate and actual mileage may vary.

It's important to note that the fuel efficiency of a vehicle can be affected by various factors, such as tire pressure, vehicle weight, and the condition of the engine. Regular maintenance and proper driving habits can help improve fuel economy and extend the distance one can travel on a single tank of gasoline.

In conclusion, the average tank of gasoline in a modern vehicle can last between 300 to 400 miles, depending on the vehicle's fuel efficiency and driving conditions. By maintaining a vehicle and adopting fuel-efficient driving habits, drivers can maximize their fuel economy and extend the distance they can travel on a single tank.