Originally Posted by 2013leprechaun319dsf
How many miles on your MH? You may not even have the motor broken in yet.
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True. We have a 2015 3010ds and it didn't really hit its stride until about 10,000 miles. But, even brand new, it should be better than 6.
We just completed a trip to Alaska and I kept detailed records and made notes as to the terrain and speed on each tank. We were loaded heavy but I am not convinced that weight is a large factor in mpg. Speed is the number one factor, followed by terrain with wind playing a role at times. We were not towing.
In summary, we averaged:
Hilly and fast (above 70) - 6.8 to 7.3
Flat and fast (above 70) - 7.1 to 7.5
Hilly and medium (60-70) - 7.3 - 7.8
Flat and medium (60 - 70) - 7.5 - 8.2
Hilly and slow (less than 60) - 7.8 - 8.4
Flat and slow (less than 60) - 8.8 - 10.6