Differences between 98-octane and 95-octane gasoline under National Standard V
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Hello, experts. I’m just an ordinary car owner who stumbled upon this forum by chance. I've always wanted to understand the difference between 98-octane gasoline and 95-octane gasoline. I searched online and found that both 98-octane and 95-octane gasoline are derived from 92-octane gasoline with the addition of additives. Some people say that 98-octane gasoline contains more MMT due to its anti-knock properties, which is not good for the engine. I haven’t been able to find a definitive answer. My car has an EA888 engine, 2.0T – can it use 98-octane gasoline? I earnestly ask all the experts to provide an answer.
Are there 98 more? Previously it was 97, but now it’s all 95. The higher the rating, the better the performance, especially when paired with a suitable vehicle
The latest version of the standard for gasoline is GB17930-2013; under this standard, there is no 98-octane grade for China V gasoline, with 98-octane gasoline being listed in Appendix A of the standard. Compared to 95-octane gasoline, it only improves the octane rating; everything else remains the same. There is no evidence to show that a higher octane rating means better quality; it’s merely a psychological factor – the more expensive, the better. On the contrary, to produce high-octane gasoline, more additives are added to it. These additives have undergone tests to ensure they are harmless, but excessive use of them can be harmful. When the production conditions are not met, it may be possible to add up to the limit. It’s still the two oil companies. With other companies, you have no idea what they will add. Do you remember the news reports from 10 years ago about cars being damaged or pulled by donkeys because they used 97# gasoline, which met the standard specifications (while the national standard at that time was only 93#)? Have we heard any reports in recent years about luxury cars breaking down?
Standard MMT is not allowed to be added; just fill up at regular gas stations, as the fuel comes from legitimate refineries and is of guaranteed quality! It’s hard to say about other small gas stations! Regular gasoline is usually blended; it’s not possible to produce gasoline that meets national standards on its own. It is created by blending various types of refinery products, with the specific blend depending on the grade required. For vehicles with a higher compression ratio, it’s advisable to use higher-grade gasoline, as this is beneficial for the vehicle – it improves its resistance to detonation
Noble Gasoline, designed specifically for luxury vehicles
A few days ago, I passed by a gas station and saw that BP had 98# gasoline; I wonder how BP mixes it. Was it only the octane rating that was increased, as you said?
This post was last edited by karamay on 2016-7-8 at 16:56. BP does not have any oil refineries in China; the fuel used in BP gas stations is produced by CNPC. Foreign companies do not have the right to import refined oil, and foreign-owned gas stations can only purchase it from domestic refineries. CNPC BP Petroleum Co., Ltd. is a joint venture established by China National Petroleum Corporation and BP Group. http://www.bp-petrochina.com.cn/bppc/index.asp
Sinopec BP, I know. What I’m trying to ask is why do they still have 98#?
Both CNPC and Sinopec produce 98# gasoline. Appendix A of GB17930-2013 specifies the technical requirements for vehicle gasoline No. 98 (V). Two news articles can be used as references: http://paper.people.com.cn/zgnyb/html/2016-06/27/content_1691018.htm http://mt.sohu.com/20160523/n450897355.shtml This is 98-octane gasoline that meets the National V standard; before the implementation of National V, 98-octane gasoline was also available on the market, produced according to previous standard specifications. Reference: http://tieba.baidu.com/p/2172019293