AustinSExplorerMar 23, 2015MPG for Dodge 5.7 hemi vs 6.4 hemiBought the 2015 Dodge 2500 6.4 HEMI crew cab and 8 foot bed. No specs on MPG at time we bought. Getting 16 mpg highway drive not towing and drops to 7 mpg towing Pulling a Heartland Elkridge 9500 ...Show More
jerem0621Explorer IIApr 29, 2015Interesting question. IIRC the 6.4 has MDS...something the 2500 5.7 Ram does not have. thanks!Jeremiah
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