Is it OK to use cheap regular gas in your car?
Fox News
The price of regular gasoline is at record highs, but premium is even more expensive.
Some vehicles, particularly high performance models, recommend or even require fuels with high octane ratings, while others only promise their best power and efficiency if you use it.
For example, Ford recommends the use of premium 91 octane gasoline in the Ford Mustang GT to get the most power out of its 460 hp V8, but it can run on regular 87 octane without any problems. Meanwhile, the Mustang Shelby GT500’s 760 hp supercharged V8 requires at least 91 octane, but the owner’s manual says 93 octane is preferred, especially if you’re going to be driving it with enthusiasm on a track.
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