Does 93 gasoline correspond to 92 or 95?

[McPenelope]

93 gasoline corresponds to 92. Here is the relevant introduction: 1. Fuel grade: The automobile fuel grade was introduced after the China V standard, in which 92 gasoline replaces 93 gasoline, and 95 gasoline replaces 97 gasoline. 2. Regulation: Motor vehicles must use the specified fuel grade, otherwise engine problems will occur. The following is extended information on the differences between 95# and 92# gasoline: 1. Composition ratio: 95 gasoline contains 95% isooctane and 5% n-heptane; 92 gasoline contains 92% isooctane and 8% n-heptane. 2. Anti-knock performance: 95 gasoline has high anti-knock performance; 92 gasoline has low anti-knock performance.