How Many Miles Are in 1 Gallon of Gas? [All Vehicle Types]

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The number of miles that can be traveled on one gallon of gasoline depends on several factors, including the vehicle's fuel efficiency, driving conditions, and driving habits. In general, a vehicle with a higher fuel efficiency rating will be able to travel a greater distance on one gallon of gasoline than a vehicle with a lower fuel efficiency rating.

The average vehicle on the road today can travel roughly 23.7 miles on 1 gallon of gas. Another way to say this is there are 23.7 miles in a gallon of gas for the average vehicle made today.

Understanding Miles Per Gallon (MPG)

Fuel efficiency, or miles per gallon (mpg), is a measure of how much gasoline a vehicle uses to travel a certain distance. It is calculated by dividing the number of miles traveled by the number of gallons of gasoline consumed. For example, if a vehicle travels 20 miles on one gallon of gasoline, it has a fuel efficiency of 20 mpg.

Different vehicles have get different miles per gallon, so when determining how many miles are in a gallon of gas it completely depends on the vehicle.

Factors that Impact Your Miles per Gallon

There are several factors that can impact a vehicle's fuel efficiency, including its size, weight, and aerodynamics, as well as the type of engine it has and the quality of the gasoline it uses. The driving conditions and driving habits of the driver can also affect fuel efficiency. For example, driving at high speeds or accelerating and braking frequently can decrease fuel efficiency, while driving at a steady speed and anticipating stops can increase fuel efficiency.

Which Vehciles Get More Miles in a Gallon

In general, passenger cars and light trucks have fuel efficiency ratings that range from about 20 mpg to 40 mpg, depending on the specific make and model. However, some hybrid and electric vehicles can have much higher fuel efficiency ratings, with some models achieving over 100 mpg.

Calculating Your Car's Miles in a Gallon

It's important to note that the actual fuel efficiency of a vehicle may differ from its manufacturer's estimate, as real-world driving conditions and habits can affect fuel consumption. To get a more accurate estimate of a vehicle's fuel efficiency, it's best to track the number of miles traveled and the amount of gasoline used over a period of time and then divide the two to calculate the mpg.

Here's the best way to go about calculating your personal miles per gallon:

  1. Fill your vehicle's gas tank until it stops.
  2. Note down your current milage on your odometer or start a new trip on your odomoter.
  3. Drive normally until you need to fill up your gas again.
  4. Fill up your gas tank to the same stopping point as step 1 and see how many gallons were put in.
  5. Check your odometer to see how many miles you traveled.
  6. Divide the number from step 6 by the number from step 5 (example - 200 miles driven / 8 gallons used = 200/8)
  7. The result is your miles per gallon (example 200/8 = 25 miles per gallon)

Average Miles per Gallon (MPG) Data Table

Average MPG table, by vehicle type
Vehicle Type Average Miles per Gallon (MPG)
Truck 19.3
Sport 20.5
Van 21.0
Coupe 21.9
SUV 22.9
Wagon 25.1
Sedan 26.8


How can I improve my miles per gallon?

  • Keep your tires properly inflated: Under-inflated Tires can decrease your gas mileage by up to 3%.
  • Avoid excessive idling: Idling can waste gas and produce unnecessary emissions.
  • Use cruise control: Maintaining a steady speed on the highway can help improve your fuel efficiency.
  • Use overdrive gears: When driving on the highway, using overdrive gears can help reduce engine drag and improve gas mileage.
  • Avoid carrying unnecessary weight: Extra weight in your vehicle can decrease fuel efficiency, so remove any unnecessary items from your trunk or backseat.
  • Regularly maintain your vehicle: A well-maintained vehicle will run more efficiently and use less gas.
  • Use the recommended grade of motor oil: Using the recommended grade of motor oil can improve your gas mileage by 1-2%.
  • Drive at moderate speeds: Avoiding aggressive driving and high speeds can help improve your gas mileage.
  • Use a fuel-efficient route: Plan your route ahead of time and take the most fuel-efficient route.
  • Have your vehicle serviced: If your vehicle is not running at peak efficiency, it may be consuming more fuel than necessary.

How many miles can you go on 1 gallon of gas?

The average car can go about 24 miles on 1 gallon of gas. How far you can go on 1 gallon of gas depends on the type of vehicle you are driving. For example, a Toyota Prius might get 50 miles per gallon, while a Ford F-150 might get 20 miles per gallon.

How many miles is 5 gallons of gas?

The average car can travel about 120 miles on 5 gallons of gas. The kind of vehicle you're driving and the speed you're driving at will substantially affect how many miles you can go on 5 gallons of gas, however.