When did China 6 start to be implemented

2 Answers
AndrewDella
07/29/25 3:15am
The China 6 emission standard was implemented on July 1, 2020. Here is a detailed introduction to the China 6 emission standard: 1. China 6a: China 6a is essentially a transitional phase between "China 5" and "China 6". China 6a was implemented for gas-powered vehicles on July 1, 2019, for urban vehicles (such as city buses, sanitation trucks, postal vehicles, etc.) on July 1, 2020, and for all vehicles on July 1, 2021. 2. China 6b: China 6b is the true "China 6" emission standard. China 6b was implemented for gas-powered vehicles on January 1, 2021, and will be fully implemented for all vehicles on July 1, 2023.
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Santiago
08/12/25 7:07am
The China VI emission standard was fully implemented starting in 2020, specifically on July 1, 2020, when the China VI-b phase was rolled out nationwide. Prior to that, some major cities like Beijing and Shanghai had already piloted the China VI-a phase in 2019. This policy change was quite significant. When I bought a car before, I even considered China V models, but after China VI came into effect, stricter exhaust emission controls were required, mainly to reduce pollutants like nitrogen oxides. New cars are now equipped with more advanced filters, which genuinely seem to help improve air quality. If you opt for a China VI-compliant car when purchasing, it’s not only more environmentally friendly but also holds its value better, unlike China V models, which were more likely to be phased out during clearance sales in 2019-2020. I recommend checking the VIN code to confirm the emission level before buying a car—don’t try to save a bit of money by purchasing older-standard inventory.
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