What Octane Gasoline Should the Enclave Use?

1 Answers
LeLogan
07/29/25 10:11pm
Buick Enclave should use gasoline with an octane rating of 95 or higher. Definition of gasoline octane ratings: 92-octane gasoline contains 92% isooctane, with the remainder being n-heptane. Similarly, 95-octane gasoline contains 95% isooctane. There is no inherent superiority between these two types of gasoline; they are simply designed for engines with different compression ratios. Anti-knock properties of gasoline octane ratings: Isooctane is related to anti-knock performance, while n-heptane affects combustion speed. 92-octane gasoline has relatively weaker anti-knock properties, whereas 95-octane gasoline offers higher anti-knock performance and slower combustion speed.
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