What is Gas Economy?

How is Gas Economy Determined In Cars?

Trying to find out how gas economy is determined in cars?

While the horsepower, luxury, and speed of a new vehicle are incredibly important to almost all buyers, the car’s gas mileage is key for its lifetime. While the gas mileage statistics are determined by the U.S Environmental Protection Agency, there are a few contributing factors to determine the official gas mileage. Leading off with the weight of the vehicle and how much horsepower it has. Even if the vehicle is on the heavier side, the technology of the engine could still lower how much gas is being used in certain situations. MPG ratings are usually higher in small cars, trucks, and SUVs because of their aerodynamics and total weight. In general, these smaller vehicles do not take as much gasoline to keep them running smoothly. Something else to consider is the overall maintenance of the car, truck, or SUV as well, making sure the tires have the correct pressure to lessen any unnecessary workload. Overall, gas mileage is important for all vehicles and it takes a lot of effort to build a fuel-efficient car.


Fuel Economy Explained

MPGs are the best way to determine how far any car is able to go on a full tank of gasoline. ​Vehicle size, drivetrain (2WD or 4WD), and engine power all play an enormous role in determining the fuel mileage for the vehicle. The stats favor small sedans with hybrid capabilities and a vehicle weight that’s light enough that barely tip the scales. While the fuel economy can decrease during the lifespan of your car, frequent drives and scheduled maintenance are the best ways to keep those MPGs high.

Highway vs City Mileage

When looking at fuel economy, there are two different numbers that define the gas mileage, the MPGs in the city and highway. Rear world driving conditions are very different when compared to the environment in testing facilities and the overall numbers show it. Noting the two different fuel economy ratings shows how your driving habits can change the vehicle’s fuel economy. How you drive will absolutely affect your gas mileage, ​so measuring the two different gas mileage ratings provides an accurate expectation for your car’s gas mileage. When you consider all the starting and stopping of city driving compared to the constant movement of highway driving, it’s clear that driving on the highway gets better MPGs vs. driving in the city.

Do Driving Modes Affect Fuel Efficiency

Many cars that have been made in the past several years have equipped customizable drive modes to fit your driving style and save fuel. A performance driving mode will give you a performance-based experience while “Eco” mode will save fuel. Between driving modes and cylinder deactivation, new vehicles are more fuel-efficient than ever before.


Shop New & Pre-Owned Cars & Trucks at Group 1 Chevrolet Northwest

Group 1 Chevrolet Northwest is your local new and used car dealer serving the San Antonio, TX, area. Whether you’re looking for a great deal on a new, used, or certified pre-owned vehicle for sale, you’re sure to find something special. Visit us in person or online today. Our Chevrolet specialists are ready to serve you.

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