How to Distinguish Between China 5 and China 6 Emission Standards for Vehicles?
2 Answers
China 6 and China 5 mainly differ in the content of emissions. When purchasing a new car, you can check the vehicle's factory certificate and the environmental standard list to distinguish between them. Below is some information about China 6 and China 5: 1. The primary difference between China 6 and China 5 lies in the emission content, with China 6 standards being significantly lower than China 5 standards. 2. The carbon monoxide emission limit for gasoline vehicles under China 5 standards is 1000 mg/km, while under China 6 standards, it is 700 mg/km. 3. The emission limits of 'China 6 standards' are approximately 40% to 50% stricter than those of 'China 5 standards'.
The simplest way to distinguish between China 5 and China 6 emission standards is to check the vehicle's production date and factory certificate. Based on my experience, China 6 vehicles are mostly produced after 2019, especially over 90% of new cars after 2020 meet China 6 standards. China 5 vehicles are mainly concentrated in the 2017-2019 batch. When helping friends check used cars, I teach them this trick: Open the front door and look at the nameplate below the B-pillar - if it says "GB18352.6-2016", it's China 6; if it shows "GB18352.5-2013", it's China 5. However, the most reliable method is to check the environmental protection information sheet that comes with the vehicle. This paper document is delivered with new cars and clearly states the emission standard in black and white. Some 4S salespeople might be evasive, so remember to directly enter the VIN on the Motor Vehicle Environmental Protection Website to verify and avoid being misled.
