What are the methods to distinguish between China V and China VI standards for passenger cars?

2 Answers
ODaniela
07/23/25 8:45pm
The methods to distinguish between China V and China VI standards for passenger cars are: 1. Check the relevant content on the vehicle's compliance certificate; 2. Review the environmental information accompanying the vehicle list; 3. Log in to the Motor Vehicle Environmental Protection Network for inquiry; 4. Verify the national standard number referenced in the vehicle conformity certificate, as the standard number and corresponding year can indicate whether it is China V or China VI. The differences between China V and China VI standards for passenger cars include: 1. Different implementation times: China V standard was implemented in December 2017; China VI standard was implemented in December 2014. 2. Different sulfur content limits: China V standard allows no more than 10mg per kilogram; China VI standard allows no more than 50mg per kilogram. 3. Different PM fine particle limits: China V standard allows 4.5mg per kilometer for particulate matter; China VI standard allows 3mg per kilometer for particulate matter.
Was this review help?
15
2
Share
OSteven
08/10/25 6:42pm
I remember when I changed my car last year, I was thinking about how to distinguish between China 5 and China 6 standards. The key is to check the vehicle's environmental label, usually marked as 'China V' or 'China VI' on the nameplate under the hood or the vehicle's certificate. The China 6 standard is much stricter, with significantly lower pollutant emissions—for example, the carbon monoxide limit is reduced by about 30%, which noticeably improves air quality. When buying a car, the salesperson also reminded me to check the production date; vehicles produced after 2020 are mostly China 6 compliant, especially the China 6b version, which can adapt to future stricter traffic restrictions, ensuring no issues in big cities. I usually check the VIN code after getting in the car, using the official website tool for a quick verification to avoid pitfalls. In daily driving, China 6 vehicles have slightly higher fuel consumption but are more environmentally friendly, and regular exhaust emissions tests are also more hassle-free.
Was this review help?
18
4
Share
Expand All
More Forum Discussions

What are the reasons for the high fuel consumption of the Maxus?

Reasons for excessive fuel consumption include: 1. Lack of maintenance: The vehicle has not been maintained for a long time, causing the engine oil and air filter to become dirty, leading to increased fuel consumption. 2. Aging: The engine spark plugs have aged, and excessive carbon buildup affects ignition efficiency, resulting in higher fuel consumption. 3. Insufficient tire pressure: Low tire pressure increases the contact area between the tires and the ground, raising friction and driving resistance, which in turn increases fuel consumption. 4. Excessive carbon buildup: Carbon deposits can accumulate in the throttle, fuel injectors, intake ducts, and piston tops. Excessive carbon buildup in any of these areas can lead to incomplete combustion, thereby increasing fuel consumption.
2
1
Share

How many kilometers should CVT steel belts be replaced?

CVT transmission steel belts should be replaced approximately every 100,000 kilometers of transmission use. If during driving, severe transmission jerking or loud noises are noticed, it indicates that the transmission steel belt has aged and requires immediate attention at a 4S service center. Most modern CVT structures in vehicles utilize steel belt transmission. This method allows for changing the transmission ratio by adjusting the pulley size, enabling it to handle greater torque. The working principle of a CVT transmission involves altering the cone pulley size to affect the vehicle's transmission ratio, with power then transmitted via steel belts or chains. CVT chains are less durable than steel belts in practical use. Although CVT chains exert less impact on the cone pulleys, their strength is inferior to steel belts, making chain-based CVTs unsuitable for high torque applications. While steel belts may generate more noise, they can handle greater torque and offer better durability.
6
5
Share

What is the correct sequence for clutch, handbrake, and gear shifting?

First engage the gear, then release the handbrake. Below are detailed explanations: 1. Reason: When starting the vehicle, you should engage the gear before releasing the handbrake to prevent the car from rolling backward. If you release the handbrake first, the vehicle will be in neutral for a period before the gear is engaged. Moreover, when starting, you may not know whether the ground is level. If it is inclined, the car in neutral may roll backward, potentially causing an accident. 2. Key to smooth starting: Mastering the timing of the clutch's semi-engagement and coordinating it closely with the accelerator pedal. When releasing the clutch pedal, start by lifting it slightly faster. As you approach the point where the engine sound changes and the car body slightly vibrates, pause the clutch pedal at this position. Simultaneously, gradually press the accelerator pedal, then slowly lift your left foot until the clutch is fully released.
3
1
Share

What tires does the Teana use?

Teana uses Bridgestone tires. Here is more information about Bridgestone tires: 1. Large block pattern, irregular pitch pattern design, utilizing AQ Multi-Tread Technology. 2. The system features a motor mounted on the axle via shock absorbers and springs. Relative to the axle's movement, the motor operates in reverse motion, functioning as a dynamic damper. 3. By offsetting axle vibrations, tire ground contact is improved. To enable the motor to move vertically relative to the axle, four joint components called "crosshead guides," each configured with two linear motion guide slots in vertical and horizontal directions, are used to connect the motor and wheels. This ensures drive force transmission even with positional changes.
9
4
Share

How to Use the Genuine BMW Dash Cam?

First, power on or start the vehicle, locate the dash cam option in the central control screen, and then enter to use the dash cam. You can perform functions such as video playback, recording, taking photos, and also adjust the dash cam settings, making it very convenient to use. Below are the steps to connect the BMW dash cam to a mobile phone: 1. Enter the mobile app store and install the app according to the software name indicated in the manual (BMW-AdvancedCarEye). 2. Before opening the app, go to the WiFi settings interface and select the dash cam WiFi (the WiFi name will be indicated in the manual), then enter the password to connect (the initial password will also be indicated in the manual; after entering the app, you can modify the WiFi access password, so proceed with caution). 3. Once connected successfully, you can watch the dash cam footage in real-time on your phone.
18
4
Share

What Causes the Noise in the Brake Pedal Return Spring?

Here are the specific reasons for the noise in the brake pedal return spring: 1. Damaged Brake Master Cylinder: The noise during brake pedal rebound could be due to a damaged brake master cylinder. When the internal components of the master cylinder are damaged, the efficiency of oil supply and return is significantly reduced, preventing the brake pedal from resetting promptly. This mechanical misalignment can cause noise during rebound. 2. Use of Inferior Brake Fluid: Using low-quality brake fluid may also lead to noise or even failure during brake pedal rebound. Expired brake fluid has poor fluidity, is prone to overheating and boiling, and can generate air bubbles, resulting in insufficient braking force. Excessive air bubbles can cause noise during rebound. It is recommended to replace the brake fluid and perform a bleed. Generally, brake fluid should be replaced every 2 years or 40,000 kilometers.
7
2
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.