It is highly recommended to use premium gasoline with an octane rating of 91 or higher in the Genesis GV70. This makes sense – the Genesis GV70 is a premium, high-performance SUV that produces superb power on the roads in San Diego, CA. This Genesis model's entry-level engine makes 300 horsepower, and the upgraded V-6 option gets 375 horsepower. Performance like this requires a premium input.