The mileage will get better, with time. My 13' Patriot needed about 5,000 miles to really get the better mileage. Hemi engine? my challenger needed around 5-6k breakin for the mileage to Improve.
2013 5.7 challenger i took it for a trip from eastern pa t o columbus ohio with only 1600 miles on it 5.7 auto i was getting between 24.5 to 25.4 on the high way with the cruise on at 72 mph i thought that was pretty goood,,,from columbus ohio to philly pa exactly one tank of fuel 93 octane
