Future Cars Menu
"Gallon per mile" is an alternative statistic to mpg.
In order to get the big picture of how much money is spent, it would be better to look at gallons per mile (gpm)This is especially so when planning to have more than one car in the family. What combination of autos is the most fuel efficient for a family?
One can calculate the family gpm by add the gpms of all cars together for the same mileage and dividing by the number of cars. This will give you an family (i.e. average) gpm.
When buying cars one can compare average gpm to see which grouping of cars is the most fuel efficient grouping for your family. For more information see the website "MPG Illusion"
This site follows the emergence, application and development of transportation innovation. Reference to manufacturers, makes and models, and other automotive-related businesses are provided for informational purposes only and do not constitute an endorsement by FutureCars.com.