What are the standards for medium-sized cars?

[SilasRose]

The standards for medium-sized cars range from China 3 to Euro 4. Below is an introduction to medium-sized cars: 1. Introduction: According to domestic classification, medium-sized cars are categorized as large and medium-sized cars, also known as executive cars. These models are generally used as executive sedans. C-segment cars typically have a wheelbase of around 3.0 to 3.1 meters and an engine displacement of 2.4L to 3.2L. 2. Definition: The standard length for medium-sized cars is 6 meters or more, with a total mass of 4,500 kg or more but less than 12,000 kg. When the total mass is 12,000 kg or more, it is classified as a heavy-duty vehicle. Light-duty trucks are a type of truck, defined as having a total mass of 6,000 kg or less according to Chinese motor vehicle specifications. Additionally, trucks are divided into four categories based on load capacity: heavy-duty, medium-duty, light-duty, and mini. Medium-duty trucks are defined as those with a length of 6 meters or more or a total mass of 4,500 kg or more but less than 12,000 kg, excluding low-speed trucks.