Why the Gas Mileage Is So Low in Winter

Nissan of Nanaimo
Why the Gas Mileage Is So Low in Winter

3 Reasons Why the Gas Mileage Is So Low in Winter

With the fall in temperature, we are bound to face some challenges. One such challenge is the drop in fuel economy. This is mainly caused by the decrease in air density that results in the need for more fuel to push the air mass. But why does air density drop in the winter? And is there anything that can be done to counter this phenomenon? This blog by Nissan of Nanaimo, Nanaimo, BC, will discuss some of the reasons behind the lower-than-expected mileage and what can be done to counter the impact of the increased air density. Keep reading to learn more about why gas mileage is so low in winter.

Thicker Fluids

In cold environment, motor oil and other fluids can thicken and become more viscous. As a result, while the engine is attempting to move all of its parts, the lubricants used to avoid friction and protect the gearbox, axles, and engine components might increase resistance. Your engine is working harder and burning more fuel until these fluids are brought up to average working temperatures and are warm enough to do their jobs effectively. 


Increased Resistance to Rolling 

Even if you’re meticulous about maintaining correct tire pressure, cold ambient conditions will cause your tires to perform poorly. Because a tire’s design isn’t round – the sidewall bulges out at the bottom, and the small contact patch where the tread touches the road is flat – this is the case. The tire deforms to this shape when it rotates, and this deformation takes more energy when the rubber is cold and firm. At 0 degrees F, rolling resistance is 20% higher than 80 degrees F. 

Battery Strain

In cold weather, battery performance deteriorates, making it more difficult for your alternator to keep your battery charged. This impacts the performance of hybrids, plug-in hybrids, and electric vehicles’ regenerative braking systems.

Nissan of Nanaimo has a wide range of used cars, and you could visit our dealership to find the model of your choice. Also, check our financing options to select the payment method that suits you the most and schedule a test drive at your convenience to make an informed purchase decision.

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