Quote:
Originally Posted by rmay635703
Generally the fewer cylinders the more efficient due to thermal loss and friction, odd cylinder counts get better FE due to harmonics, a 3 cylinder 2.2 liter diesel would be the most efficient while also being harsh to drive.
Anyway.
At this point the economy isn’t “bad” comparatively on any of these trucks (if you look back 10 years anyway)
That said my 6.2 suburban could turn 28mpg with a 5 speed stick, and it was cheap and didn’t require a turbo (which tends to plug up in cold climates)
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I was saying 'bad' relative the to the larger displacement engine in the heavier Silverado. I'm really curious as to why it is the way it is.