How to Distinguish Between National 5 and National 6 Emission Standards for Vehicles?

1 Answers
MacDaniela
07/30/25 4:53am
Here are specific methods to distinguish between National 5 and National 6 emission standard vehicles: 1. Check the vehicle conformity certificate: The vehicle conformity certificate contains many key pieces of information, including the emission standard section, which clearly indicates the national emission standard the vehicle complies with. 2. Review the environmental protection vehicle list: When purchasing a vehicle through official channels, the accompanying documentation will include an environmental information list. The first section related to vehicle information contains an emission phase item, which clearly and concisely indicates whether the vehicle model meets National 5 or National 6 standards.
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