Should the Hyundai Fista use 92 or 95 octane fuel?

1 Answers
MacHarrison
07/29/25 5:46pm
The minimum fuel grade specified for the Fista's engine is 92 octane, so this engine can use 92 octane or higher fuel. Here is some relevant information about gasoline: 1. 92 octane gasoline consists of 92% isooctane and 8% n-heptane, while 95 octane gasoline consists of 95% isooctane and 5% n-heptane. The higher the octane number, the better the fuel's anti-knock performance. 2. The anti-knock performance of gasoline refers to its ability to resist knocking during combustion in the engine. Engine knocking is often mentioned, which is essentially an abnormal combustion phenomenon of gasoline. 3. If the engine uses fuel that does not meet the specified grade, knocking may occur during operation. This can also lead to reduced vehicle power, increased engine noise, and higher fuel consumption.
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