What Are The Disadvantages Of Fenders?

When the vehicle is traveling at high speed, the air will form a airflow around the body. The existence of the fender will change the original trajectory of the air flow and increase the wind resistance of the vehicle. According to relevant studies, when the car speed exceeds 80 km/h, the air resistance accounts for about 60% of the total resistance of the car, the four wheels are installed 5cm fender, the car's wind resistance coefficient is about 0.05, and the car's fuel consumption is about 10%. Increased wind resistance will not only lead to increased fuel consumption, but also cause the vehicle to produce additional noise during driving, affecting the driving experience. Imagine that when driving at high speed, in addition to the sound of the engine in the ear, there is the whir of the wind brought by the mudguard, is it very annoying?