According to the standards of Chinese mainland, it is divided into mini-cars (displacement 1L or less), ordinary cars (displacement 1.0 ~ 1.6~2.5L), intermediate cars (displacement 1.6 ~ 2.5L) and middle and high-class cars (displacement 2.5 ~)

A car is a car used to carry people and goods, and the seats are arranged between two axles. The number of seats, including drivers, shall not exceed 9 at most.

Ordinary cars emphasize comfort and take passengers as the center. Moreover, considering the economy, choose an engine with moderate horsepower, small displacement and low fuel consumption.

Extended data:

The definition of ordinary car:

Ordinary car-body closed, side window center pillar optional.

Roofs are fixed and rigid, and some roofs can be partially opened.

There are at least two rows of seats and four or more seats.

There are two or four side doors. There can also be a back door. There are four windows (side windows).

Automobile body structure mainly includes: body shell, door, window, front sheet metal parts, interior and exterior decorative parts and body accessories, seats, ventilation, heating, air conditioning and so on.

Body shell usually includes sound insulation, heat insulation, vibration prevention, corrosion prevention, sealing and other materials and coatings laid on it. The door is installed on the body shell through hinges, which is an important part to ensure the performance of the body. Metal sheet, etc. These sheet metal parts form a space for accommodating parts such as engines and wheels.

References:

Baidu encyclopedia-automobile