How much does a car top carrier affect gas mileage?

Answer According to a U.S. Department of Energy website, adding a car top carrier could reduce a vehicle's gas mileage by about 5 percent.FunctionA car top carrier affects gas mileage by adding wind resis... Read More »

Top Q&A For: How much does a car top carrier affect gas mileage

How does weight affect gas mileage?

According to the U.S. Department of Energy, an extra 100 lbs. of weight in a vehicle can reduce vehicle fuel efficiency by 2 percent. Extra weight requires the engine to work harder, requiring more... Read More »

Does air conditioning affect gas mileage?

Using the air conditioning in your vehicle may actually decrease the mileage you get by about 20 percent. If you drive a hybrid automobile, the loss of mileage and fuel efficiency may be between 15... Read More »

Does altitude affect gas mileage?

The altitude in which your vehicle is operating does affect your gas mileage. Higher altitude reduces your octane requirement. A lower octane level means your engine will not be able to run at max ... Read More »

Does Wheel Size Affect Gas Mileage?

There are many things you can do to maximize fuel efficiency in a vehicle. Tires play a role and tire size can slightly affect your gas mileage.