Most standard vehicles, like a Toyota Prius or Honda CR-V, are optimized for 87 octane and will not see a performance benefit from 98 octane. SS 100 - 100 Octane Unleaded Gas - Sunoco Race Fuels
If you truly need 98+ AKI for a high-performance or tuned engine, you often have to look for "Race Gas" at specific retailers. where to buy 98 octane fuel
In many parts of the world, 98 octane is a standard premium fuel, while in North America, the equivalent is typically labeled as 91 or 93. 1. International Availability (RON) Most standard vehicles, like a Toyota Prius or