Is it normal my 2013 ford focus st burns 11.6 l/100km?

On my digital dash board it says I'm Burning 11.6l/100km. I mostly put supreme gas 91 I barely use 94 very reare

Read more: https://fordnews.org/focus/is-it-normal-my-2013-ford-focus-st-burns-11-6-l-100km.html