Octane requirements at a station aren't the same across the country.
Western states have 87,89, 91, etc
eastern states carry 87,89, 92/93
Central tends to follow the eastern scheme, but there are variations across the board in all regions
Western states have 87,89, 91, etc
eastern states carry 87,89, 92/93
Central tends to follow the eastern scheme, but there are variations across the board in all regions