Funny thing is, why would the car need to drive itself out of the garage? In the time the car is doing that I could have hopped in and just drove off. That would be a totally pointless feature...
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I recommend you read through the whole thread.
Yes, exterior changes would be nice.
But, most of all, performance enhancements comparable to M, AMG, and S/RS cars would be even better.
Better cooling system (that allows the car to run longer before limp/thermal protection mode), better brakes (Cooling and bigger/better stopping power), better suspension that is tuned or could have better tuning, performance app with better car performance data and stats, better aero functions, etc. It's not just about looks. It's about adding value to the expensive performance package of the P85D and increasing value of said package like what BMW, Mercedes, Audi, and even Chrysler (SRT) does. Adding horsepower and AWD is not an overall better vehicle, its only faster going from 0-60 and thats it. A performance package should increase performance stats across the board, plain and simple.
In fact, stopping power and distance, and even potentially handling on the slalom and skidpad might even be worse with the P85D because of almost 300 lbs of added weight to the car. I doubt suspension/brake/etc changes were made to handle that extra weight. It is basically a 300lb heavier car with more power. Pretty much the electric equivalent of a muscle car- all power in a straight line and thats it. Heavy and powerful.