Is the Power Difference Between 95 and 98 Octane Gasoline Noticeable?

[VanEden]

The power difference between 95 and 98 octane gasoline is not noticeable. 95 and 98 octane gasoline are similar in terms of oil quality, composition, carbon deposit levels, and purity. There is no evidence that using 98 octane gasoline makes a car's performance significantly more powerful. The octane rating of gasoline is represented by its "octane number," and a higher octane number indicates a higher octane rating. Here are the differences between the two: 1. Different octane numbers: 98 octane gasoline has 98% isooctane, while 95 octane gasoline has 95% isooctane. 2. Different additive components: 98 octane gasoline consists of 98% isooctane and 2% n-heptane mixture, whereas 95 octane gasoline consists of 95% isooctane and 3% n-heptane. 3. Different characteristics: The advantages of 98 octane gasoline are "two highs and two lows," meaning higher anti-knock performance and power output, as well as lower harmful substances and exhaust pollution. On the other hand, 95 octane gasoline is mainly used in engines with high compression ratios. Using low-octane gasoline in high-compression engines can cause abnormal combustion, leading to knocking, increased fuel consumption, and reduced driving power. 4. Different prices: 98 octane gasoline is relatively more expensive than 95 octane gasoline.