Which is More Fuel-Efficient Between 95 and 92?

1 Answers
McDelilah
07/30/25 7:25am
95 gasoline is slightly more fuel-efficient than 92 gasoline. Here are the relevant details: 1. Stronger Power Output: 95 gasoline provides stronger power output when burned, allowing the car to travel a longer distance. Additionally, 92 gasoline has relatively poorer anti-knock performance compared to 95 gasoline, making it more prone to knocking, which ultimately leads to higher fuel consumption. 2. Differences: In essence, there isn't a significant difference between 92 and 95 gasoline. The only difference lies in the octane rating. 95 gasoline consists of 95% isooctane and 5% n-heptane, while 92 gasoline is composed of 92% isooctane and 8% n-heptane. A higher octane rating means better anti-knock performance, and of course, a higher price. Moreover, 95 gasoline burns more easily than 92 gasoline in terms of stability, resulting in greater power output.
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