I'm sure every mod beyond stock hurts your MPGs. I get really good mileage out of mine (I think anyway) but it's a bone-stock JLU Sport S. No lift yet, stock tires, etc.Started with 25mpg on long trips with stock JLU sport and went down from there with mods. Now I can barely get 20MPG driving very conservatively. I have Rubicon axles, 35s ( OK 34s ) 2" lift, bumpers and all other stuff. From my observation, lifts kill the most MPG
Yes it does. But with Rubicon springs and wheels I was still able to get ~23mpg on a trip from San Diego to Moab and back. Last set of mods (axles, wider and bigger wheels, lift, different fenders and some other supporting mods) made a really big hit on my fuel mileage. I had a trip with everything without a lift and got 20.5 MPG easy. With added 2" lift I was really struggling to get to 20MPG.I'm sure every mod beyond stock hurts your MPGs. I get really good mileage out of mine (I think anyway) but it's a bone-stock JLU Sport S. No lift yet, stock tires, etc.
What are speed zones?In what speed zone?