According to current website there are numerous thing that the “S” gets that the GT line doesn’t.
Blind spot and parking collision avoidance
Remote smart parking assist.
Terrain mode on AWD.
360 camera.
Wireless phone charging.
12.3 inch cluster display.(only 4.2 on GT line)
Harmon kardon sound system.
Ambient lighting.
Dual led adaptive headlights.
Sunroof.
Gloss black roof rail.
10 way driver 8 way passenger electric seats..
Ventilated seats.
Heated outer rear seats.
Smart power tailgate