By '75 they had reduced the compression ratio significantly, so you can use the cheap stuff. 85 octane is high enough.
87 octane
87 octane
You need 91 Octane, which you can use 93 octane and 89 octane mix. which is Premium and Mid grade fuel.
The 1994 Honda Prelude is best run with 91 octane fuel or higher. The vehicle is designed for use with high octane fuel.
Premium unleaded 98 Octane
Premium Fuel 91 octane.
Cadillac recommends you use Premium fuel of 91 octane.
no
110 octane petrol
91 octane or higher
No, higher octane fuel is only necessary for higher performance cars. Highly efficient cars can usually use the lowest octane fuels, because they are not designed for performance.
the best fuel would be 91 octane or premieum.