I got fuel consumption around 40 mpg driving home from the dealer with low air pressure in my tires. Once I aired up and made the TPMS light go out, I watched my fuel consumption improve.
Break in helps, but I would expect much better fuel economy than what you are reporting - especially in North Carolina.
Let's consider the operating conditions. Are you driving short trips - just enough to get the engine warmed up? Any elevation changes on your route? What speeds are you averaging? Are your tires aired up?
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View my fuel log 2015 Mirage ES 1.2 manual: 49.6 mpg (US) ... 21.1 km/L ... 4.7 L/100 km ... 59.5 mpg (Imp)