3.7
I’ve had my 2015 q50 for abt 3 months now. Highway trips always sit around 22mpg if I’m driving on a flat road. This is me driving around 80mph. What’s weird is if I drive in a 55 or 60mph zone I get 27 mpg. Why is my highway trips so low in gas mileage… dirty fuel injectors? Dirty air filter?