Can 92 and 95 be mixed?

1 Answers
LaLogan
07/30/25 10:07am
If the recommended gasoline for the vehicle is 92 octane or below, a mixture of 92 octane and 95 octane gasoline can be used, but it is not recommended for long-term use. If the recommended gasoline for the vehicle is 95 octane or above, a mixture of 92 octane and 95 octane gasoline cannot be used. If a high-compression-ratio engine uses low-octane gasoline, the gasoline engine is prone to knocking. Prolonged engine knocking can easily cause faults such as piston sintering and piston ring breakage, accelerating the damage to engine components. If a low-compression-ratio engine uses high-octane gasoline, although it can avoid engine knocking, the high-octane gasoline paired with a low-compression-ratio engine will alter the ignition timing, leading to increased carbon deposits in the cylinders. Long-term use will reduce the engine's lifespan. Whether it's 92 octane or 95 octane gasoline, both are gasoline mixtures. When these two different octane gasolines are mixed, they will blend, and the resulting gasoline's octane rating will definitely be between 92 and 95. For vehicles that can use 92 octane gasoline, it is equivalent to using a higher octane gasoline, which is fine in the short term. For vehicles that use 95 octane gasoline, it is equivalent to using gasoline with a lower octane rating than recommended, which is highly harmful and should not be used.
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