Should Subaru Use 92 or 95 Octane Gasoline?

1 Answers
LaBrynlee
07/30/25 9:43am
Subaru's turbocharged models use 95 octane gasoline; naturally aspirated models use 92 octane gasoline. More information about 92 and 95 octane gasoline is as follows: 1. The octane ratings of 92 and 95 gasoline represent the fuel's anti-knock performance. The higher the octane number, the greater the isooctane content, indicating better anti-knock performance. 2. The higher the compression ratio, the higher the octane rating of the gasoline used: For engines with a compression ratio greater than 9:1, it is recommended to use gasoline with an octane rating above 90; for engines with a compression ratio greater than 9.5:1, it is best to use gasoline with an octane rating above 92; when the compression ratio is greater than 10:1, it is best to use 95 octane or higher-rated gasoline.
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