Can I add 95 gasoline when there is still a little 92 gasoline left?

[HaileyMarie]

You can add 95 gasoline when there is still a little 92 gasoline left, but due to the insufficient compression ratio design, the characteristics of 95 gasoline cannot be fully utilized, which may lead to delayed combustion and increased fuel consumption. If the car requires only 92 gasoline, the owner should not use gasoline below 92. If the car requires 95 gasoline, the owner should not use gasoline below 95. Higher-grade gasoline has better anti-knock performance. When the air-fuel mixture is injected into the cylinder, the piston moves upward to compress the mixture. As the pressure increases, the temperature rises. If the anti-knock performance of the gasoline is too low at this time, combustion may start before the spark plug ignites, causing knocking.