The mustang GT has high compression as well. However, you will note that it produces a lot less power on anything less than premium. Ford was smart and created a few different tunes in the factory computer. It will retard a bunch of things and happily (but less efficiently) run on lower octane fuel.
Nissan did not (and I don't blame them, if you buy a sports car, you should run premium if it requires it.) do this. It is a high-compression engine and you need to run the recommended octane at minimum.
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