Question for all the peeps with the 4.3ecotec...

[Edgar Balderas]

anyone here with the 4.3 have the 20 in honeycomb wheels on their truck? if so what does your mpg look like?

[Knightfall]

I have the chrome 20's that come on the Custom. I was getting a solid 22 mpg with the truck completely stock, then I added 33" Duratracs and my MPG went down to about 19.5. I recently had to move to northern NY and added 300lbs of sand to the back, and now I'm only getting about 16-17 mpg.

[TonyMontana214]

WTH. i was getting those mpgs when it was stock. i have the 20s that come on the 2016 AT with michelins defenders ltx and now im getting 13.5 mpg!

[Damir545]

I have the 4.3 base model came with the 17" wheels and I was getting about 18 MPG. I just put 20x12 wheels with 33" tires and dropped to about 13.5 MPG.

 

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