What are the differences between National 5 and National 6 vehicles?
3 Answers
The differences between National 5 and National 6 vehicles are: 1. Different emission limits: The National 5 standard sets the carbon monoxide limit at 1000 milligrams per kilometer; the National 6a standard requires a carbon monoxide limit of 700 milligrams per kilometer, while the National 6b standard is only 500 milligrams per kilometer. 2. Different release dates: The National 5 standard was released on September 17, 2013; the National 6 standard was released on June 22, 2018. 3. Different issuing departments: The National 5 standard was issued by the Ministry of Environmental Protection; the National 6 standard was issued by the Ministry of Environmental Protection and the General Administration of Quality Supervision, Inspection and Quarantine. 4. Different requirements: During the National 5 phase, diesel and gasoline vehicles had different emission standards; National 6 adopts a fuel-neutral principle, meaning the emission limits are the same regardless of the fuel type.
I've always been environmentally conscious, and the biggest difference between China 5 and China 6 vehicles lies in the emission standards. China 6 is significantly stricter than China 5, resulting in much less pollution. Harmful emissions like nitrogen oxides and particulate matter have much lower limits, and the addition of real-world driving tests ensures cleaner performance during actual driving. When I drive a China 6 car, I notice a significant reduction in exhaust odors, making it much more eco-friendly and contributing to better urban air quality. This is beneficial for health, especially for children and the elderly, who are safer on smoggy days. In the long run, China 6 cars may retain their value better and won't be affected by traffic restrictions. When it's time to change cars, I always recommend prioritizing China 6—it's a simple step that makes a big contribution to the planet.
As an average car enthusiast who loves tinkering with vehicles, the difference between China 5 and China 6 emission standards is quite significant in my eyes. The China 6 standard is more stringent, introducing several new requirements such as more sensitive onboard diagnostics and upgraded fuel evaporation control, resulting in lower daily fuel consumption and more stable power output. China 5 vehicles might be cheaper initially, but China 6 cars save money on fuel in the long run. Maintenance requires attention to more expensive sensors, but overall lifespan is longer. When buying used cars, I prioritize this: China 6 vehicles won't face urban driving restrictions and hold better resale value. If you're just looking to save money, China 5 is sufficient, but considering long-term benefits, China 6 is worth the extra investment.
