What symbols represent China 5 and China 6?

[OGenesis]

China 5 and China 6 are represented by English symbols, with China V and China VI denoting China 5 and China 6 respectively. The China 6 standard is an upgraded version of the current China 5 standard, imposing stricter limits on the emission of CO, THC, NMHC, NOX, and PM compared to China 5, while also introducing new regulations on PN emissions. According to the China 6 emission standards, light gasoline vehicles will see a reduction of approximately 50% in carbon monoxide, hydrocarbons, non-methane total hydrocarbons, and nitrogen oxide emissions compared to the China 5 phase, with particulate matter emissions reduced by about 40%. For heavy-duty diesel vehicles, nitrogen oxides and particulate matter will be reduced by more than 60% compared to the China 5 phase.

[LeilaMarie]

China 5 and China 6 are different phase symbols of China's automotive emission standards. China 5 represents the fifth-phase emission requirements, targeting new vehicles around 2017 with relatively lenient limits, mainly controlling carbon monoxide and hydrocarbon emissions. China 6 upgrades to the sixth phase, implemented from 2019, divided into China 6a and China 6b, with the b phase being the strictest, reducing nitrogen oxide and particulate matter emission limits by approximately 50% and requiring real driving tests. If you understand cars like I do, you'll notice that China 6 vehicles are more technologically advanced, requiring GPF (Gasoline Particulate Filter) or engine optimization, which reduces pollution but may also increase costs. Overall, knowing this can help you choose more environmentally friendly and reliable vehicles, especially in large cities where it might affect road access convenience.

[GabrielLynn]

I just changed my car, and the difference between China 5 and China 6 is quite significant. China 5 standard vehicles have higher emissions and lower new car prices, but weaker environmental performance. China 6 cars are cleaner, more energy-efficient, and offer a much smoother driving experience. Although they are more expensive initially, they save fuel in the long run and have higher resale value. In terms of policies, restricted cities only allow China 6 vehicles to enter urban areas, so I recommend buying a China 6 car directly to avoid hassle. In the used car market, China 6 vehicles fetch higher prices. Personally, I think this standard promotes the development of green technology, and every car owner who chooses it contributes a bit to improving air quality.

[LukeMarie]

From an environmental perspective, National 5 (China 5) and National 6 (China 6) are crucial stages in automotive pollution control. The China 5 emission limits are relatively lenient, which can lead to the accumulation of harmful gases. In contrast, China 6 significantly tightens the standards, reducing nitrogen oxide emissions by approximately 30-50%, thereby helping to alleviate smog issues. I’ve noticed that after the implementation in cities, there has been a slight improvement in air quality, reducing the risk of respiratory diseases. Such standards encourage the adoption of new energy vehicles and promote sustainable transportation. Supporting these standards is a step toward protecting a healthy environment.

[LaKhloe]

From a policy perspective, National 5 and National 6 are mandatory emission reduction standards implemented by the government. National 5 came into effect in 2017, while National 6 was phased in from 2019, requiring automakers to upgrade technologies such as SCR catalysts to meet stricter testing requirements. Local governments have implemented traffic restrictions targeting vehicles with lower standards, making National 6 vehicles a safer choice to avoid penalties. I believe this promotes industry innovation, improves vehicle efficiency, and allows consumers to benefit from subsidies. Understanding the changes in standards helps in prioritizing National 6 when choosing a new car.