What is the difference between 92 and 93 gasoline?
2 Answers
The differences between 93 and 92 gasoline are as follows: 1. Octane number difference: 93 gasoline has an octane number of 93, while 92 gasoline has an octane number of 92. The octane number of 93 gasoline is higher than that of 92 gasoline. 2. Anti-knock capability difference: The anti-knock capability is determined by "isooctane". The higher the content, the stronger the anti-knock capability. 93 gasoline contains 93% isooctane, while 92 gasoline contains 92% isooctane. The anti-knock capability of 93 gasoline is stronger than that of 92 gasoline. 3. Pollution level difference: Compared to 93 gasoline, 92 gasoline has reduced anti-knock performance, but other indicators in the gasoline such as sulfur, benzene, aromatic hydrocarbons, manganese, etc., are lower, making it more environmentally friendly. 4. Practical usage difference: 93 gasoline is the gasoline specified by the China IV standard, while the China V standard changed to 92 gasoline. There is little difference in practical use between the two, and both are suitable for mid-range cars.
I found the main difference between 92 and 93 octane gasoline lies in the octane rating. 92 octane has a lower rating with weaker anti-knock properties, making it more prone to engine knocking under high temperature and pressure – that pinging sound can reduce engine power. 93 octane has a higher rating with stronger knock resistance, making it better suited for high-performance or turbocharged engines. For my regular car, I use 92 octane as it's cheaper and sufficient; but my friend's premium car requires 93 octane, otherwise long-term use could damage the engine. Knocking also affects fuel efficiency – with 93 octane, acceleration feels smoother and fuel consumption is slightly lower. I recommend checking your vehicle manual for the proper fuel grade and avoid arbitrarily switching to lower octane fuel, especially during hot summer months when the impact is greater. In short, choose according to your car's needs – it saves hassle and protects your vehicle.
