How to Identify China 5 and China 6 Symbols?
3 Answers
The symbol for China 5 emission standard is V, and the symbol for China 6 emission standard is Ⅵ. Below is relevant information about China 6: 1. Definition: China 6 vehicles are those that meet the requirements of the "Limits and Measurement Methods for Emissions from Light-duty Vehicles (China 6)". 2. Implementation phases: The China 6 emission standard is implemented in two phases: Phase 1, starting from July 1, 2020, all vehicles sold and registered must comply with the China 6A standard; Phase 2, starting from July 1, 2023, all vehicles sold and registered must comply with the China 6B standard. Some cities may advance the implementation of the China 6 emission standard for light-duty vehicles to January 1, 2019.
When I bought my car, I was also confused about how to identify the China 5 and China 6 symbols. Later, I asked the salesperson, and the simplest way is to look at the yellow environmental protection label on the front windshield. China 5 is marked as "国Ⅴ," and China 6 is marked as "国Ⅵ," clearly indicated. If the label is worn off, check the vehicle's registration certificate; the emission standard section will also print whether it's China 5 or China 6. I almost bought the wrong car back then because I didn’t check the symbol carefully, and later regretted it when driving into a restricted city. It’s recommended to take a photo and confirm before buying. China 6 cars have much easier access to cities and can save some taxes and fees. When browsing car forums, I often see people sharing experiences, saying that recognizing these symbols is a must for beginners to avoid future troubles.
In the industry, when I help clients inspect cars, I teach them to recognize emission symbols: just take a quick look at the sticker on the front windshield—China 5 is usually marked as 'Ⅴ', and China 6 as 'Ⅵ'. The supplementary page of the vehicle license and the Certificate of Conformity also specify the standard. Some car owners don’t understand the difference between China 6a and 6b phases, so I explain it based on the registration date—most before 2020 are 6a, and 6b was introduced later. Used cars meeting China 6 standards are easier to resell and fetch higher prices, especially in cities with strict environmental regulations. With extensive experience in daily car repairs, knowing these symbols helps avoid wasting money on the wrong car and prevents transfer issues.
