I have ceramic silver/red and in my opinion, it's the best color combo.
Among your choices, I'd probably choose grey, but why not search for
a ceramic silver/red if you happen to like that combo?
To me, the interior is the biggest factor: you live inside the car. So look for the interior color you prefer. Outside is all good. Any Stinger is a pretty Stinger. When I was waiting for delivery of my Silky Silver (being driven from another dealer, on a trade), I noticed a pale gray interior on the lot, and I hadn't even considered what color the upholstery of the arriving Silky Silver might be: I was suddenly concerned that it be black; and at the moment I hoped I wasn't getting some other color. Black it was. *whew*!
I really wanted Panthera/red interior...but what they had with right price/options/etc was white with black...and I'm impatient AF...so that's what I have. Love it