I have a regular, petrol powered SUV and regularly get 13l/100km. If I go granny mode I can get it down to 10l or less. Now I don't feel so bad for not hitting

I have a regular, petrol powered SUV and regularly get 13l/100km. If I go granny mode I can get it down to 10l or less. Now I don't feel so bad for not hitting these magical consumption claims. It has 380hp (280kw) and wants to be driven as such.