You've hit on the big things. They're functionally going to be the same vehicle. Style is a big part of it, and it is a pretty huge change interior and exterior. Only you can answer which one speaks to you more strongly.
A bit more on mechanicals, tranny is a big one. The latter is going to also have larger/stronger brakes and more safety features.
Are you going to upsize your tires? And perhaps carry/tow large loads? Both tranny and brakes make a bigger difference in those areas. The 8-speed has a huge spread with far lower end gearing, on par with the older 6-speed with 4.88 gears. That'll give better crawl ratios, and low end grunt when hauling heavy, even with larger tires.
Preview, but more discussion on this can be found
at this thread.
View attachment 2300602
The latter LX's also got more upgrades. This is a list from elsewhere and won't cover everything. I don't know if all of these things came at the '16 model year split point, but many did:
28) Ventilated outboard rear seats
29) Four-zone climate concierge
30) LED Headlamp with AHS Sequential Turn
31) LED Cornering Lamp
32) 12.3-inch high-res split-screen display (LC 9")
33) Head-up display
34) All-Speed Dynamic Radar Cruise Control (LC DRCC for 25mph and up)
35) Steering wheel paddle shifter
36) Door puddle projector lamps
37) Rear door retractable sun shades
38) 2020 gets special trims: "LX570 Sport" to "LC Heritage"
39) Dual screen rear entertainment