DEF - Usage
Just on my maiden voyage with my 2014 Ram 3500 Diesel pulling 13,500lb 2009 Cardinal 34'. Pulls like a dream very nice to drive however after 1,000 miles I have gone through 1/2 tank of def, 2.5 gals...
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At 24,661 miles I had used 48.786 gallons of DEF, of those miles about 10K was towing 33K combined. The DEF mpg over those miles was 505.493 mpg.
