What is the code name for China 6?

2 Answers
LorenzoLee
07/24/25 12:36am
The code symbol for China 6 is China VI. Here is some extended information: 1. China's emission standards are divided into: China I, China II, China III, China IV, China V, and China VI. The higher the number, the more environmentally friendly the vehicle's exhaust emissions. China I has the highest pollution, while China VI has the lowest. As of December 31, 2018, the China V emission standard was implemented for light-duty gasoline vehicles nationwide. 2. The China VI emission standard is an upgraded version of the China V emission standard. It imposes more stringent and scientific requirements on vehicle exhaust emissions. Compared to the current China V emission standard, the China VI standard has significant optimizations in multiple aspects. The new regulations can more comprehensively and objectively determine vehicle emission levels and are easier to enforce and monitor. 3. A China VI vehicle is one that meets the national sixth-stage motor vehicle pollutant emission standards, while a China V vehicle meets the fifth-stage standards. Different emission standards have varying limits on vehicle pollutant emissions. From China I to China VI, the emission limit standards for vehicle exhaust pollutants have become increasingly strict, with the China VI standard being at least 50% stricter than the China V standard.
Was this review help?
1
0
Share
AlinaMarie
08/10/25 8:21pm
Speaking from the perspective of an auto enthusiast, let's discuss the China 6 emission standard, commonly known as "Guo Liu". Its official name is the National Sixth Stage Emission Standard for Motor Vehicles. This standard has two phases: 6a and 6b. Phase 6a was implemented in 2019, while the stricter 6b phase was rolled out nationwide in 2021. The introduction of China 6 has driven automotive technology upgrades, such as adding more exhaust treatment systems to engines, significantly reducing nitrogen oxide and particulate emissions. Looking back to the China 5 era, emission controls weren't as strict. Nowadays, particulate filters are commonly seen on China 6 vehicles, which extends engine life but also increases maintenance complexity. For us car enthusiasts, the China 6 label isn't just a tag - it represents the automotive industry's shift toward green transformation. When buying a car, be sure to check whether it meets China 6a or 6b standards to avoid inspection issues later.
Was this review help?
4
2
Share
Expand All
More Forum Discussions

What Causes Transmission System Failure in BMW 5 Series?

Transmission system failure in BMW 5 Series is caused by damage to the oil pump or oil pump sensor. Here are specific details about the BMW 5 Series: 1. Exterior: The overall design features iconic BMW elements, with a sleek and elegant body, bold and sporty appearance, and smooth lines. The front fascia resembles the new 7 Series, and the body is elongated. The 535 model features dual exhaust pipes on both sides. The seams are evenly and tightly crafted, the air conditioning performs well, the sound system is average, the steering wheel offers good grip, and the display controls are convenient and user-friendly. 2. Performance: The BMW 5 Series is equipped with a newly developed six-cylinder engine.
4
0
Share

Why Does the Exhaust Pipe of a New Car Rust?

The rusting of a new car's exhaust pipe is due to material issues or the car frequently driving at low speeds, preventing the engine from warming up sufficiently. Here are the relevant explanations: 1. Material: It is directly related to the manufacturing materials used, and different brands and models may use varying materials, which can significantly affect their rust and corrosion resistance. 2. Exhaust Pipe: The car's exhaust pipe plays a role in reducing vibration and noise, as well as extending the lifespan of the exhaust muffler system. The main material of the exhaust pipe is stainless steel. For most cars, since the exhaust gases leave the engine under high pressure, the noise generated can be overwhelming. The primary function of the exhaust pipe is to reduce this noise, with an internal muffler significantly lowering the car's noise levels.
2
2
Share

What does vehicle braking mean?

Vehicle braking refers to the use of the service brake, also known as the foot brake, during driving. It facilitates slowing down or stopping the vehicle while in motion. It not only reduces the speed or keeps the vehicle stationary but also enables the moving car to decelerate or stop as required by the driver, allowing for controlled deceleration or stopping within the shortest possible distance, and maintaining a stable speed when going downhill. Severely worn brake pads: Brake pads come in two types: those with wear sensors and those without. Brake pads equipped with wear sensors will automatically complete an electrical circuit when worn down to their limit, triggering a warning light. In such cases, the brake pads need to be replaced. Low brake fluid level: Insufficient brake fluid is often accompanied by noticeably reduced braking power or even a complete loss of braking force. A warning light will illuminate in this situation. Simply replenishing the brake fluid promptly will resolve the issue.
17
1
Share

Is It Normal for New Car Tires to Not Have a Production Date?

It is not normal for new car tires to lack a production date. Here are the relevant details: 1. Production Date: The production date refers to the date and time when a product completes all manufacturing processes on the production line, passes inspection, and is packaged as a finished product ready for sale in the market. Nowadays, most companies gradually standardize the production date and batch number of their products. All tires have a production date. 2. Time Difference: Even if the four tires of a new car are not from the exact same date, they may still belong to the same batch. Sometimes there might be a slight time difference, but the dates should be relatively close. Tires are used to be mounted on newly manufactured vehicles.
1
2
Share

Can a Vehicle with a Temporarily Seized Vehicle License Be Driven on the Road?

Vehicles with a temporarily seized vehicle license cannot be driven on the road. Here are the relevant details: 1. Vehicle License: The vehicle license is the legal document permitting a motor vehicle to be driven on the road. The driver's license is the legal credential allowing the driver to operate a specific type of motor vehicle. Both are indispensable for driving on the road. 2. Regulations: Driving a vehicle without either a driver's license or a vehicle license is considered unlicensed driving. Article 19 of the "Road Traffic Safety Law of the People's Republic of China" clearly stipulates: "To drive a motor vehicle, one must lawfully obtain a motor vehicle driver's license; the driver must operate the motor vehicle within the scope of the vehicle type specified on the driver's license; when driving a motor vehicle, the driver must carry the motor vehicle driver's license."
9
3
Share

What are the effects of excessive tire pressure on a vehicle?

Excessive tire pressure has the following effects on a vehicle: Reduces driving comfort: When tire pressure is too high, the tires become overly stiff, significantly reducing driving comfort during travel; Compromises driving safety and poses hidden risks: Excessively high tire pressure increases body vibration, reduces the contact area between the tires and the road surface, greatly diminishes tire friction, and affects braking performance. This is particularly dangerous on slippery roads, increasing the risk of accidents; Causes deformation of tire cords: Overly high tire pressure leads to excessive stretching and deformation of the tire cords, increasing the load on the vehicle during driving. When encountering sharp objects like nails or glass on the road, they can easily penetrate the tire, causing internal cracks upon impact and leading to a blowout.
17
4
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.