12 years of obese, nearly 400 kg. Why did Zoan's secrets get built in cars? Viet. Heavy

News from IT House on June 4th, in recent years, the city's passenger car is quietly “fat and weighting up”. The data show that in 2024, the average total mass of new vehicles used in the country was 1704 kg, an increase of nearly 400 kg compared to 2012. The increase in the number of vehicles used in the four-year period from 2020 to 2024 is more than the sum of eight years from 2012 to 2020.

The news today reveals the secret behind why the car “severe and heavier”. According to Qihong, Director of the Research Centre for Automotive Innovation at the North Industrial University, the motorized transformation of the automobile industry has been accompanied by escalating demand at the consumer level, which has pushed up the weight of cars. In addition, car development is in the phase of rapid expansion of electric power, which is heavier because of the presence of components such as power batteries.

Members of the Committee of Experts on the Information and Communication Economy of the Ministry of Industry and Informatics and Lin indicated that the use of vehicles continued to “heavy up”, mainly on new energy vehicles. New energy vehicles have power cells as their core energy unit, and at this stage, the dominant lithium triutin batteries and lithium phosphate batteries have a limited energy density and must carry a large capacity battery bag to ensure a continuous range.

It is reported that the current market mainstream domestic energy vehicles, with battery packs weighing between 500 and 650 kg in general, can be of up to 700-800 kg in long-range, large-battery vehicles. At the same time, the electrical, electrical and other components of the new energy vehicle, as well as the chassis battery protection structure, further folded the whole vehicle weight.

IT House noted that, in the face of the growing weight of cars, the national standard for the " Energy consumption limit for electric cars, part 1: Cars by car " was introduced on 1 January of this year. This standard, through more rigorous and systematic design of indicators, compels firms to make substantial technological upgrades, limit energy consumption levels and stem the trend towards “obese” in electric cars.

Moreover, the acquisition tax technical standards introduced in 2026, which provide for a total of over 2710 kg of pure trams, seek to benefit from a 50 per cent reduction in the acquisition tax, and CLTC cannot consume more than 19.1 degrees per 100 km of electricity, have to some extent discouraged the unlimited increase in the weight of cars.

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