What are the Five Basic Performance Characteristics of a Car?

1 Answers
OKaylee
07/30/25 10:54am
The five basic performance characteristics of a car are power performance, fuel economy, braking performance, handling stability, and ride comfort. Below is an extended introduction to each: 1. Power Performance: The power performance of a car is represented by the average driving speed it can achieve when driving straight on good road conditions. 2. Fuel Economy: The fuel economy of a car is commonly measured by the fuel consumption per 100 kilometers under certain operating conditions or the distance a car can travel with a certain amount of fuel. Fuel economy is influenced by many factors, such as driving speed. When a car is driven at a moderate speed close to low speed, fuel consumption is the lowest. At high speeds, fuel consumption increases rapidly with speed. Additionally, car maintenance and adjustments can also affect fuel consumption. 3. Braking Performance: The ability of a car to stop within a short distance while maintaining directional stability and to maintain a certain speed when going downhill is referred to as braking performance. The main indicators of braking performance include braking efficiency, the consistency of braking efficiency, directional stability during braking, and the braking process. 4. Handling Stability: This refers to the car's ability to follow the direction (straight or turning) given by the driver through the steering system and steering wheels without causing excessive tension or fatigue to the driver. Additionally, when subjected to external disturbances (such as uneven roads, side winds, or uneven loading of cargo or passengers), the car can resist these disturbances and maintain stable driving. Handling stability consists of two interrelated parts: handling and stability. 5. Ride Comfort: Ride comfort refers to the car's ability to maintain a certain level of comfort for passengers under vibration conditions during driving. It is a major performance indicator for modern high-speed and high-efficiency cars. For trucks, it also includes the ability to keep cargo intact.
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