v10 e350 vs 6.0 6spd 3500
Hi all, what are the unloaded fuel mileage differences between these? I'm reading e350 v10 is 13 to 15 hwy mpg. 3500 is 17 to 18 mpg hwy? Is this true? Does someone have numbers other than this? ...
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Has advance track but not the airbags. Not to trash the gm. Really like them. Was my first thpught.
