There are certain rules for car model naming. Take Changan Ford Focus as an example, its model naming is based on approximate power. After using this naming rule, Fox 1.L GTDi will be renamed as EcoBoost 125；; 1.5L GTDi will be renamed EcoBoost 18.

in the new naming method, EcoBoost stands for Ford's high-efficiency and energy-saving turbocharging technology, and the following figures represent the approximate maximum power of the engine. For example, the maximum power of the above-mentioned 1.L engine is 125Ps, while that of the 1.5L engine is 181Ps.

Extended information:

The naming methods of car models in China automobile market have blossomed, and each has its own advantages. Among them, luxury car brands mostly adopt the naming methods of "letters+numbers", such as Mercedes-Benz E26, Audi A6L, Volvo XC6, British finidi Q5L and so on. Most joint venture brands in the mid-market of China automobile market are different;

For example, German-speaking people, American-speaking people, etc. often use the naming method of "Chinese+English", such as Passat, Regal, Mondeo, etc. Haval in China and Citroen in the legal system are the naming representatives of "letters+numbers", such as H1-H9 in Haval, C5 and C4 in Citroen, etc.

There are also pure letters or pure numbers, such as BMW's 5 Series and Peugeot's 58, and pure letters such as Acura's MDX and Lincoln's MKC. To sum up, at present, there are three ways to name the cars in China: Chinese+English, letters+numbers, pure letters and pure numbers.

People's Daily Online-Changan Ford Focus is named after the torque value.