What Factors Affect the Fuel Efficiency of a Vehicle?

By Product Expert | Posted in Fuel Efficiency, Tips & Tricks on Tuesday, August 9th, 2022 at 7:33 am
Cars at a dealership's service center

Top 3 Factors That Affect the Fuel Efficiency of a Vehicle

A car’s fuel efficiency is unquestionably desirable. This one takes precedence over all the others. A vehicle with poor fuel economy can indicate a variety of issues. If you read this article to the end, you can correct some of them yourself. On the other hand, some severe problems require trained mechanics to diagnose. Here are some possible causes of decreased fuel efficiency of a vehicle. Read the post by Elgin Volkswagen in Elgin, IL.


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Faulty Engine/Engine Issues  

The most severe problem that a car could be experiencing is a faulty engine. A damaged machine cannot function properly, consuming more fuel. You could think the engine can’t be faulty after only a few kilometers of driving. You are correct. The engine may be in good working order, but vital parts that add to the combustion cycle may be defective. Your engine may continue to run normally for a short time, but the fuel will not be burned efficiently. This will eventually result in your car consuming more fuel than usual.  

Weight  

The weight of a vehicle influences how much energy it requires to move, which, of course, can require either more or less fuel depending on the situation. A compact weighs much less than a truck or SUV, but its small size also allows it to have a smaller engine that doesn’t have to work as hard to propel the vehicle forward. When comparing vehicles of the same size, the materials used to make the components usually determine which car weighs less.

A mechanic checking a car

 

Driving Behaviors  

It ultimately comes down to the user’s driving behavior, regardless of how fuel efficient a car is advertised. Short trips around town use up fuel. Starting the engine consumes a significant amount of gasoline, and multiple starts reduce fuel efficiency. Excessive idle time and traffic jams can also decrease MPG due to the constant opening and stop. Driving at higher speeds causes more aerodynamic drag, which reduces fuel economy. Safe, controlled, and consistent driving will also increase the mileage of your vehicle.


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