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How to Calculate Gas Mileage

Mini Cooper Technology


While the Environmental Protection Agency (EPA) rates new vehicles based on how fuel-efficient they are, the EPA mpg rating is only an estimate. So, how can you determine exactly how many miles to the gallon you’re getting on the roads in and around Providence, RI? This guide from the service team at MINI of Warwick will show you how to calculate gas mileage, what is considered good gas mileage, and more!

What is Good Gas Mileage?

Determining what good gas mileage depends on the type of vehicle you drive. For example, good gas mileage for a midsize SUV or pickup truck will be quite different from that of a compact car. The same is true when comparing compact gas-powered cars with more efficient hybrid vehicles. It’s important to have an idea of what kind of gas mileage you want, and then research new vehicles or used vehicles that can deliver the mpg you require.

Gas Mileage Calculator

Learning how to calculate gas mileage is fairly simple. Here’s a gas mileage calculator guide that can help you figure out how many miles you can get when you fill up at a local Cranston, RI-area gas station:

  • Check your owner’s manual to see how much gas your tank holds, then fill your gas tank and either reset your trip odometer or record the exact mileage after refilling.
  • Drive your car as you normally would and wait until the gas gauge indicates that the tank is nearly empty.
  • Refill your tank and record your mileage.
  • The easiest way to calculate your gas mileage is to simply divide the number of miles driven by the number of gallons of gas your vehicle took to refill.
  • If you forget to check how many gallons it took to fill up the tank, you can go by where your tank was when you refilled (i.e. ¼, ½, or ¾) and divide your total tank capacity accordingly to come to the number of gallons refilled. Then, divide the miles driven by that approximation. This will be a less accurate estimate since the gas gauge in some cars isn’t always 100% accurate. A digital gas gauge makes this calculation much easier because it shows you exactly how many gallons of gas is in the tank.

Learn More Gas Mileage with the Experts at MINI of Warwick

Our gas mileage calculator can help you learn how fuel efficient your vehicle is, but there are many ways to improve your gas mileage. Knowing what type of fuel to use in your MINI and keeping up to date with your routine vehicle maintenance like oil changes and tire rotations can help maximize your fuel economy on Newport, RI-area roads and beyond. If you have any questions, please contact our Service Center.

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