How to Determine Whether a Car is China 5 or China 6 Emission Standard?

1 Answers
LucilleFitz
07/29/25 9:17am
To identify whether a car meets China 5 or China 6 emission standards, you can refer to the following methods: 1. Online VIN or engine number lookup: New vehicles come with a Vehicle Identification Number (VIN) or engine number. By entering these details on relevant websites, you can check whether the car complies with China 5 or China 6 standards. 2. Check the vehicle conformity certificate: The emission standard is clearly stated in a dedicated section of this document. China 5 is marked with a "V", while China 6 uses the Roman numeral "VI". 3. Review the environmental protection list: A mandatory document provided during purchase explicitly states whether the vehicle meets China 5 or China 6 standards. 4. Examine the vehicle consistency certificate: The emission standard can be decoded from a specific number sequence in the 3C certification section for exhaust emissions. Look for a decimal point in this sequence - the digit immediately following it indicates whether the car is China 5 or China 6 compliant.
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