How to Check China 5 and China 6 Standards?

[VonLukas]

China 5 emission standard is marked with "V", while China 6 emission standard is marked with "Ⅵ", both using Roman numerals for identification. When purchasing a new car, the salesperson will provide a vehicle acceptance form, which includes the model, color, emission standard, engine number, and chassis number. For used cars, you can check the environmental protection website using the vehicle's complete model number. The following information is about China 5 and China 6 standards: 1. The biggest difference between China 5 and China 6 emission standard cars is the three-way catalytic converter. China 6 emission standard cars use a more efficient three-way catalytic converter, which ensures the vehicle's exhaust emissions meet the China 6 standard. 2. China 5 emission standard is the fifth stage national standard for motor vehicle pollutant emissions. It reduces nitrogen oxides and particulate matter emissions by 25% and 80% respectively, lowering the overall emissions of China 5 cars by 10%-15%. The China 6 emission standard imposes even stricter regulations on pollutant emissions.

[Cooper]

Checking China's National V and National VI emission standards is actually quite easy. I have a few common methods to share with you. First, emission standards determine whether a vehicle can enter certain urban areas, with National VI being stricter than National V to better protect the environment. The simplest way is to check the vehicle's license (行驶证)—flip to the vehicle information page, and the emission level will be clearly marked, such as National V or National VI B. Another trick is to use mobile apps like Traffic 12123 or environmental protection websites by entering the VIN (found on the windshield or in the engine compartment), which will display the result instantly. When I bought my car, I checked online and confirmed it met National VI, avoiding fines for entering restricted urban areas. I recommend staying updated on city driving restriction policies and periodically verifying your vehicle’s registration to avoid travel disruptions. Also, used car buyers should double-check the environmental label to ensure it hasn’t been tampered with.

[StAaron]

Here are several efficient ways to check emission standards. The key difference between China V and China VI lies in pollution limits, with China VI having stricter exhaust treatment for better air protection. The best method is to use official platforms like the Ministry of Ecology and Environment website or local DMV websites by entering your license plate number or VIN for real-time, accurate results. I often use the 12123 APP, navigating to the vehicle management section where the emission category is displayed with one click—fast and convenient. If documents are lost, consult your 4S store or manufacturer’s customer service; they keep vehicle records and can quickly verify details. Additionally, the emission info on your vehicle license serves as legal proof—keep this important document safe. Currently, China VI vehicles enjoy policy benefits like road tax reductions. Checking thoroughly helps save money and promotes eco-responsibility. Young folks, learn these steps now!

[OscarDella]

To check China V or China VI standards, the key is to find official channels. Information such as the emission standard, including China V or China VI levels, is usually clearly marked on the vehicle's license. Simply flipping through your vehicle documents saves time and effort without requiring technical knowledge. If the documents are lost, it is recommended to inquire at the vehicle management office counter or enter the VIN on the official website for accurate results. The environmental department has a unified database to help verify, avoiding the hassle of driving in restricted areas.