What are the pros and cons of China VI engines?

[AutumnMarie]

The advantages of China VI engines are as follows: The advantage of China VI engines is lower exhaust emissions, with reduced pollutant content in the exhaust gases. As global environmental pollution issues become increasingly severe, countries worldwide are implementing stricter emission standards, which positively contributes to protecting the Earth's environment. The disadvantages of China VI engines are as follows: The drawback of China VI engines is slightly higher fuel consumption and reduced power compared to China V engines. China VI engines require China VI gasoline, which contains 10% more ethanol. Since ethanol has a lower calorific value than gasoline, this leads to decreased engine power and consequently higher fuel consumption when using China VI gasoline.

[Landon]

The advantages of the China VI engine lie in significantly reducing exhaust emissions, which greatly benefits environmental protection. I've personally noticed while driving that such vehicles are more eco-friendly in urban areas, with noticeably improved air quality. Additionally, it performs well in fuel consumption control. After technological upgrades, the engine has become more efficient, saving some fuel costs during highway driving. However, there are also several drawbacks. Firstly, its manufacturing cost is high, potentially making the car price several thousand yuan more expensive than older models, which could be a burden for budget-conscious buyers. Maintenance is also more complex, with sensors and emission systems being more prone to minor issues, requiring more time at specialized repair shops. I believe this aligns with the broader environmental trend, but it's also necessary to weigh daily expenses, as purchasing a new car requires considering long-term value.

[GideonDella]

I've been driving a China VI compliant car for a while now, and the most appealing aspect is its fuel efficiency. Actual tests show significantly lower fuel consumption compared to my previous older car, saving me dozens of yuan in fuel costs each month—very economical and practical. Environmentally, the reduced emissions give me peace of mind while driving. However, the downside is the more complex engine technology, leading to more minor issues like occasional warning lights that take time and money to diagnose at repair shops. Plus, there's limited room for modifications, which might disappoint car enthusiasts. I was also concerned about resale value when buying, as new regulations quickly depreciate older models. Overall, it's quite practical for daily commuting, but you'll need to accept a learning curve and higher maintenance costs.

[LouisRose]

From a maintenance perspective, the China VI engines have made significant progress in emission control, reducing harmful gases, and the technology is indeed advanced. I often see fewer customer complaints when repairing these vehicles. However, the drawbacks are obvious: the addition of a post-treatment system makes the particulate filter prone to clogging, requiring frequent cleaning to avoid reduced power. Fault diagnosis has also become more complex, requiring specialized equipment, making it difficult for owners to handle on their own. Fortunately, fuel consumption optimization is noticeable. It is recommended to regularly maintain and inspect the sensors.