What are the differences between China 5 and China 6 vehicles?
3 Answers
The differences between China 5 and China 6 vehicles are: 1. Different carbon monoxide emission requirements: China 5 allows 1,000 milligrams per kilometer for carbon monoxide; China 6 reduces this to 500 milligrams per kilometer. 2. Different particulate matter emission requirements: China 5 permits 5 milligrams for fine particulate matter; China 6 lowers this to 3 milligrams. 3. Different nitrogen oxide emission requirements: China 5 allows 60 milligrams for nitrogen oxides; China 6 decreases this to 35 milligrams. 4. Different non-methane hydrocarbon emission requirements: China 5 permits 68 milligrams for non-methane hydrocarbons; China 6 reduces this to 35 milligrams.
As an environmentally-conscious car owner, I understand the significant differences between China 5 and China 6 emission standards. The China 6 standard is much stricter, primarily focusing on reducing tailpipe pollutant emissions, such as significantly tightening the limits for nitrogen oxides and particulate matter. The benefit is environmental protection, leading to better air quality, especially reducing smog days in big cities. Technically, China 6 vehicles are equipped with additional features like Gasoline Particulate Filters (GPF) and enhanced On-Board Diagnostics (OBD) systems to ensure emissions compliance at all times. However, the trade-off is a slightly higher purchase price and more meticulous maintenance. In the long run, China 6 vehicles offer better investment value as policies become stricter, with emission-restricted cities giving priority to such vehicles. After driving a China 6 car for a while, I’ve noticed the engine runs quieter, and fuel efficiency has improved slightly. Overall, choosing China 6 is a small effort to protect the planet, offering great returns for a modest investment.
Recently, I've been looking into used cars and carefully compared the differences between China 5 and China 6 emission standards. Simply put, China 6 is an upgraded version with stricter controls on pollutants like carbon monoxide and hydrocarbons. China 5 vehicles are generally a few thousand yuan cheaper, but they come with potential risks: some cities impose registration restrictions and driving bans, affecting daily use. I've seen a friend get fined for this, which was a huge loss. In terms of maintenance, China 6 vehicles require regular checks on the particulate filter, unlike China 5 vehicles which are more flexible. Fuel consumption is similar between the two, with China 6 being slightly more economical. In the long run, China 6 vehicles have higher resale value and are easier to sell. As an average buyer, I lean towards China 6 because the policy direction is clear, and it won't become outdated. Driving is about convenience, and saving a small amount now might lead to bigger troubles later.