my '05 dodge 4x4 sb qc 5.9 cummins averaged around 18.5mpg...on the highway, if i drove it really conservatively at 60ish mph, etc., i could get over 20mpg...that's about all i could get out of it, though. my grandfather has an '03 long bed qc cummins and gets 23ish on the highway.
also, when i was averaging 18.5mpg, my overhead computer showed 22.3mpg...those things are a joke.
for that matter, my computer on the '11 f250 shows about 1 - 1.5 mpg higher than what i'm actually getting.
also, when i was averaging 18.5mpg, my overhead computer showed 22.3mpg...those things are a joke.
for that matter, my computer on the '11 f250 shows about 1 - 1.5 mpg higher than what i'm actually getting.
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