How to Identify China 4 and China 5 Emission Standards for Vehicles?

[Barbara]

Here are the methods to distinguish between China 4 and China 5 emission standard vehicles: 1. Check the corresponding standard number on the vehicle conformity certificate: The emission standard number for China 4 is GB18352.3-2005; for China 5, it is GB18352.5-2013. 2. Check the environmental information vehicle list: The emission standard is clearly marked on it. 3. Check the vehicle fuel consumption label: It is usually posted on the side window of the vehicle. 4. Query the vehicle's emission standard on the Motor Vehicle Environmental Protection Website: Open the website and find the public information query at the bottom of the page, then enter the last 6 digits of the VIN and engine number to check the vehicle's emission standard.

[BradyLynn]

Last time I helped a friend check out a used car, I specifically researched this. The most straightforward way is to check the environmental label in the upper right corner of the windshield. The China IV label is green with two stars, while the China V label is green with three stars. If the label is missing, it's not a problem—just open the vehicle nameplate near the passenger door frame, where the emission standard is clearly marked as 'China IV' or 'China V.' The car's registration year is also a good reference; light gasoline vehicles registered after July 2017 are mostly China V, while many before that are China IV. If you're still unsure, you can use the Vehicle Identification Number (VIN) to check on the 'Motor Vehicle Environmental Protection Website'—just enter the VIN, and the result will appear immediately. During the used car transfer process, the DMV system will also display the emission standard, which is the most authoritative information.