it might be the spoiler (or just me) but the rear doesn't look as slanted as the current s550, look at the deck lid.
Also, taillights' shape looks different.
Let's update this list as we find out more :cheers:
FOR SURE:
front bumper
rear bumper
fenders
headlights (LED?)
taillights
rear spoiler
hood
wheel options
HIGH CHANCE:
10 speed auto
active or non-active quad exhaust option
SLIGHT CHANCE:
power increase across the line (DI V8, higher tuned...
Modular engines don't make a lot of torque compared to a push-rod engine, correct?
Hence why the SS and Scatpack/SRT have a ton of torque; push-rod engines.
SS: 455 HP / 455 lb-ft
HEMI: 485 HP / 475 lb-ft
Googled "2017 fusion headlights" and found the video below, it's from the 2017 Ford Mondeo / Fusion.
[ame]
Decided to Photoshop my own version for the mustang.