My 2011 only has the gas gauge, without any gallon markers on it and numerous 2016/2017 cars I've been test driving haven't had it. It's certain classes of car

My 2011 only has the gas gauge, without any gallon markers on it and numerous 2016/2017 cars I've been test driving haven't had it. It's certain classes of cars that have had it for quite a while, nowhere close to all.