First you were talking about the KV-4, now you've switched to bringing up something totally obvious. Do you not stand behind the first thing you said any longer?
Gorynych isn't a unique model as it's a normal Kv5 with a black skin.
Really? No shit Sherlock. (Well actually it's a green scale pattern skin not black but who's counting right?)
Being that the KV-5/Gorynych (as it's properly named the Gorynych KV-5) are for all intents and purposes the same tank (both rare, not in the tech tree), yes it stands to reason that if you compare them against one another they are not unique. Well played, you got me. Here's a fucking medal. I wasn't even trying to suggest that they weren't. Anyone who has either (and a brain) should know that they are the same tank.
Your argument about the Kraft Panther being unique is hilariously thin. "Let's take a stock Panther, give it the top gun (because if we gave it the stock gun it would be a Panther M10), then give it 50 extra horsepower and some extra traverse speed. Then we'll charge $30 for it. DONE."
It doesn't have a unique turret or gun and yeah you can't get a 700hp engine in the Panther, only 650 and 870. So I guess you're 1/3 correct.
The only thing unique about it is the paint job.