Id say no unless theres a decent mileage difference.
You get some camphaser (depending on year made 2019s) and iwe fix/program.
Live valve shocks work better offroad, but you feel the little bumps more on road, less body roll for turns. Do wish there was a separate adjustment for shocks vs only in the entire mode switch. (eclick fixes this, but could do the same for the 17-18 plus live valve take offs for cheaper)
The measurement info screen is extremely useful and valuable to me esp for a boosted motor, but you can get that through a tuner gauge screen.
Might have been my old truck, but i feel the std seats on the 20 feel better than the std seats on the 18, but both were comfy.
Some people said the trans felt difference in terms of shifting but both of mine feel the same, which was good to begin with. I will say the sport mode is better on the 20, just feels more like a sport mode vs street baja mode the 18 had.
My 18 body panels lined up better, the 20 the hood is slightly off, and the side body panels are off, hard to notice, but noticeable to me.
Undercoating seems to be better on the 17-18, just from my experience and from others reporting it, nothing major, just something i noticed being underneath both.
Oil pan is metal, unless you find a late production 2018, bit more pain in the ass to drain without making a mess, but little chance of failing vs the plastic pan.
Ford performance blue is prob my favorite color offered on the 19-20s, but not sure if that matters to you.
Also an auto brake feature added and stop n go adaptive cruise.
I felt the 18 was extremely nice, but it was high up in mileage and got a low mileage 20. Main reason for me was mileage, no moonroof on the 20 (best feature), and metal oil pan, the rest was a welcome addition.
