Determining fuel efficiency involves a straightforward calculation: dividing the number of miles traveled by the quantity of fuel consumed. For example, if a vehicle covers 300 miles on 10 gallons of fuel, the fuel efficiency is 30 miles per gallon.
This metric provides valuable insights into vehicle performance, enabling informed decisions regarding fuel consumption and cost management. Monitoring fuel efficiency over time can reveal mechanical issues or changes in driving habits that impact fuel economy. Historically, understanding this relationship has been crucial for both individual consumers and for manufacturers seeking to improve vehicle design and performance.