For many years, I got better-than-advertised mpg with a Honda Civic. My more recent vehicles, though, don't quite reach their claimed mpg. Is this "everyone lyi

For many years, I got better-than-advertised mpg with a Honda Civic. My more recent vehicles, though, don't quite reach their claimed mpg. Is this "everyone lying" a new phenomenon, or is Honda an exception from "everyone"?