What is the braking distance of a car?
1 Answers
Under normal circumstances, the braking distance of a car traveling at 100 kilometers per hour is between 38-42 meters. If the value exceeds this range, it indicates poor performance of the car's braking system, and it should be checked at a professional auto repair shop promptly. Braking distance is one of the key parameters to measure a car's braking performance. It refers to the distance traveled by the vehicle from the moment braking begins until the car comes to a complete stop when the vehicle is at a certain speed. It is the distance covered by the car from the instant the driver presses the brake pedal hard until the car stops completely at a certain speed. It includes two parts: reaction distance and braking distance. The shorter the braking distance, the better the braking performance of the car. According to the national standards GB-12676 and GB/T-13594, the braking distance of cars has the following requirements: for passenger cars with fewer than 9 seats and an initial speed of 50Km/h, it should not exceed 19m. For other vehicles with a total mass of less than 4.5t and an initial speed of 50Km/h, it should be less than 21m. For other cars and car trains with an initial speed of 30Km/h, it should not exceed 12m. The length of the braking distance is an important factor in determining whether the braking system of the car is working properly. The heavier the car, the greater the inertia, and the more powerful the braking system it needs. Of course, due to the exceptionally strong power of some supercars, their braking systems are also top-notch. For family cars, the time from 100 kilometers per hour to a complete stop is generally about 3 seconds, but the distance can be as long as 40 meters. Tests have shown that among the cars on the market, the BMW 530i has the most outstanding braking distance, reaching 37.8 meters. Some cars require 46 meters from 100 kilometers per hour to 0, which, although in compliance with national safety standards, in critical moments, a car with an excellent braking distance can save the owner's property and even life.
