What are the differences between the 2019 Audi A4 China 5 and China 6 standards?

2 Answers
OAvery
07/24/25 5:48pm
2019 Audi A4 China 5 and China 6 standards differ in: 1. Carbon monoxide emissions: The 2019 Audi A4 China 5 emits 1000mg of carbon monoxide, while the China 6 version emits 700mg. 2. Emission limits: The 2019 Audi A4 China 5 has an emission limit of 0.0045g per kilometer, whereas the China 6 standard sets the limit at 0.25g per kilometer. Taking the 2019 Audi A4 Fashion model as an example, it belongs to the mid-size car category with body dimensions of 4750mm in length, 1842mm in width, 1433mm in height, a wheelbase of 2828mm, and a fuel tank capacity of 58 liters.
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BrantleyLynn
08/11/25 9:49am
Regarding the differences between the 2019 Audi A4's China 5 and China 6 standards, I'll discuss it from a technical perspective. This mainly involves the upgrade in emission standards. China 5 is the older standard with looser limits on pollutants like nitrogen oxides and particulate matter. China 6, implemented in 2019, is divided into phases 6a and 6b, imposing stricter requirements—for example, halving pollutant emissions. The China 6 version of the Audi A4 has been adjusted accordingly: the engine management system optimizes fuel injection, and a GPF (Gasoline Particulate Filter) has been added or upgraded to reduce harmful emissions. In actual driving, the China 6 model may offer slightly smoother power response, but fuel consumption remains largely unchanged. The key point is that only China 6 vehicles can be registered in major cities like Beijing, Shanghai, Guangzhou, and Shenzhen, while China 5 models may no longer be eligible for new car purchases in these areas. In terms of maintenance costs, China 6 components like catalytic converters are more sophisticated, potentially leading to higher long-term upkeep expenses, but they contribute more to environmental protection. I believe choosing China 6 is the better option, balancing future policy compliance and environmental needs.
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