My 02 4.8 1500 got about 14 mpg,
my 09 1500 5.3 got 16 to 17 mp,
Now the new to me 02 Tahoe 4.8 got 14 mpg
But that was a 1/4 tank of gas when I refilled cause we were getting this snow storm. so I will see what it gets again when using a little more.
If had to do it again I would look for one with the 5.3 the power is very noticeable.
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1986 V20 
Old Fishermen never die, we just SMELL that way!!
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