What is the difference between 92, 95, and 98 gasoline?
2 Answers
98, 95, and 92 gasoline differ in the following ways: 1. Different quality levels: 98 gasoline has a higher octane rating; 95 and 92 gasoline have lower octane ratings. Gasoline with a higher octane rating has better anti-knock performance, and the engine runs more smoothly. 2. Different fuel consumption: 98 gasoline has lower fuel consumption; 95 and 92 gasoline have higher fuel consumption. The higher the gasoline grade, meaning the higher the octane content, the less likely it is to cause knocking, and the better the engine's anti-knock performance during combustion. Car owners should choose gasoline based on the engine's compression ratio. Vehicles with higher compression ratios should use higher-grade gasoline to ensure strong power output and low cost without causing engine knocking.
The main difference between 92, 95, and 98 gasoline is the octane rating—the higher the number, the better the anti-knock performance. My old Ford runs fine on 92 octane, which is cheap and effective. An octane rating of 92 means it's less likely to cause knocking during high-speed engine operation. 95 octane is mid-grade, suitable for most new cars. 98 octane is the most expensive, designed for high-compression engines in sports cars. Using the wrong fuel might cause the engine to 'ping' and could damage parts over time. From my daily driving experience, 92 octane is cost-effective, but checking the manual before refueling is crucial. Occasionally using 98 octane on highways offers a smoother ride, though at a much higher cost. In short, matching the fuel to your engine is key—don’t waste money upgrading unnecessarily.